阅读说明：本技术 含极性基团共聚物及其制备方法和应用 (Polar group-containing copolymer and preparation method and application thereof ) 是由 高榕 郭子芳 周俊领 林洁 李昕阳 赖菁菁 顾元宁 傅捷 于 2020-06-05 设计创作，主要内容包括：本发明涉及一种含极性基团共聚物的制备方法及由所述方法制备的含极性基团共聚物。该含极性基团共聚物的制备方法包括在催化剂、改进剂和任选地链转移剂的存在下使烯烃和烯烃醇发生聚合反应,使用的催化剂包括式I所示的胺基亚胺类配合物。根据本发明的制备方法制得的球形和/或类球形聚合物在工业应用中具有良好的前景。(The invention relates to a preparation method of a polar group-containing copolymer and the polar group-containing copolymer prepared by the method. The preparation method of the polar group-containing copolymer comprises the step of carrying out polymerization reaction on olefin and olefin alcohol in the presence of a catalyst, a modifier and an optional chain transfer agent, wherein the catalyst comprises an amino imine complex shown in a formula I. The spherical and/or spheroidal polymers prepared by the preparation method of the invention have good prospects in industrial application.)

1. A process for preparing a polar group-containing copolymer, comprising polymerizing an olefin and an olefin alcohol in the presence of a catalyst, an improver, and optionally a chain transfer agent to produce the polar group-containing copolymer,

the catalyst comprises a main catalyst and an optional cocatalyst, wherein the main catalyst comprises an amino imine complex shown as a formula I:

in the formula I, R₁And R₂The same or different, independently selected from C1-C30 hydrocarbyl containing or not containing substituent; r₂₁-R₂₄The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl containing substituent or not containing substituent, and C1-C20 alkoxy containing substituent or not containing substituent; r₂₁-R₂₄Optionally forming a ring with each other, preferably R₂₁And R₂₂Forming a benzene ring, which may have a substituent; r₅Selected from hydrogen and substituted or unsubstituted C1-C20 hydrocarbyl; r₁₁Selected from C1-C20 substituted or unsubstituted hydrocarbon groups; y is selected from non-metal atoms of group VIA; m is a group VIII metal; x is selected from halogen, C1-C10 alkyl with or without substituent and C1-C10 alkoxy with or without substituent.

2. The method of claim 1, wherein R is₁And R₂Selected from substituted or unsubstituted C1-C20 alkyl and/or substituted or unsubstituted C6-C20 aryl, preferably R₁And/or R₂Is a group of formula A:

in the formula A, R¹-R⁵The substituents are selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl with or without substituent, C2-C20 alkenyl with or without substituent, C2-C20 alkynyl with or without substituent, C1-C20 alkoxy with or without substituent, C2-C20 alkenyloxy with or without substituent, C2-C20 alkynyloxy with or without substituent, and C8983-C3552 alkynyloxy with or without substituentA substituted C6-C20 aryl group, a substituted or unsubstituted C7-C20 aralkyl group, a substituted or unsubstituted C7-C20 alkaryl group, a substituted or unsubstituted C6-C20 aryloxy group, a substituted or unsubstituted C7-C20 aralkyloxy group and a substituted or unsubstituted C7-C20 alkaryloxy group; r¹-R⁵Optionally forming a ring with each other;

preferably, in formula A, R¹-R⁵The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C10 alkyl with or without substituent, C2-C10 alkenyl with or without substituent, C2-C10 alkynyl with or without substituent, C1-C10 alkoxy with or without substituent, C2-C10 alkenyloxy with or without substituent, C2-C10 alkynyloxy with or without substituent, C6-C15 aryl with or without substituent, C7-C15 aralkyl with or without substituent, C7-C15 alkaryl with or without substituent, C6-C15 aryloxy with or without substituent, C7-C15 aralkyloxy with or without substituent, and C7-C15 alkaryloxy with or without substituent;

more preferably, R¹-R⁵The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C6 alkyl with or without substituent, C2-C6 alkenyl with or without substituent, C2-C6 alkynyl with or without substituent, C1-C6 alkoxy with or without substituent, substituted or unsubstituted C2-C6 alkenyloxy, substituted or unsubstituted C2-C6 alkynyloxy, substituted or unsubstituted C6-C10 aryl, substituted or unsubstituted C7-C10 aralkyl, substituted or unsubstituted C7-C10 alkaryl, substituted or unsubstituted C6-C10 aryloxy, substituted or unsubstituted C7-C10 aralkyloxy and substituted or unsubstituted C7-C10 alkaryloxy.

3. The method of claim 1 or 2, wherein M is selected from nickel and palladium; y is selected from O and S; x is selected from halogen, C1-C10 alkyl with or without substituent and C1-C10 alkoxy with or without substituent, preferably selected from halogen, C1-C6 alkyl with or without substituent and C1-C6 alkoxy with or without substituent;

R₁₁is selected from C1-C20 alkyl with or without substituent, preferably C1-C10 alkyl with or without substituent, more preferably C1-C6 alkyl with or without substituent;

R₅selected from the group consisting of substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C7-C20 aralkyl, and substituted or unsubstituted C7-C20 alkaryl; preferably, R₅Selected from the group consisting of substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C6-C10 aryl, substituted or unsubstituted C7-C15 aralkyl, and substituted or unsubstituted C7-C15 alkaryl, more preferably, R₅Is selected from C1-C6 alkyl with or without substituent, such as methyl, ethyl, propyl or butyl.

4. The method of any one of claims 1-3, wherein R is₂₁-R₂₄The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl with or without substituent, C2-C20 alkenyl with or without substituent, C2-C20 alkynyl with or without substituent, C1-C20 alkoxy with or without substituent, C2-C20 alkenyloxy with or without substituent, C2-C20 alkynyloxy with or without substituent, C6-C20 aryl with or without substituent, C7-C20 aralkyl with or without substituent, C7-C20 alkaryl with or without substituent, C6-C20 aryloxy with or without substituent, C7-C20 aralkyloxy with or without substituent, and C7-C20 alkaryloxy with or without substituent; r₂₁-R₂₄Optionally forming a ring with each other;

preferably, R₂₁-R₂₄The same or different, each independently selected from hydrogen, halogen, hydroxylSubstituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C2-C10 alkenyl, substituted or unsubstituted C2-C10 alkynyl, substituted or unsubstituted C1-C10 alkoxy, substituted or unsubstituted C2-C10 alkenyloxy, substituted or unsubstituted C2-C10 alkynyloxy, substituted or unsubstituted C6-C15 aryl, substituted or unsubstituted C7-C15 aralkyl, substituted or unsubstituted C7-C15 alkaryl, substituted or unsubstituted C6-C15 aryloxy, substituted or unsubstituted C7-C15 aralkyloxy and substituted or unsubstituted C7-C15 alkaryloxy;

more preferably, R₂₁-R₂₄The same or different, are each independently selected from hydrogen, C1-C10 alkyl, halogenated C1-C10 alkyl, C1-C10 alkoxy, halogenated C1-C10 alkoxy and halogen, more preferably from hydrogen, C1-C6 alkyl, halogenated C1-C6 alkyl, C1-C6 alkoxy, halogenated C1-C6 alkoxy and halogen.

5. A process according to any one of claims 1 to 4, characterised in that the substituents are selected from halogen, hydroxy, C1-C10 alkyl, halogenated C1-C10 alkyl, C1-C10 alkoxy and halogenated C1-C10 alkoxy; the substituents are preferably selected from halogen, hydroxy, C1-C6 alkyl, halogenated C1-C6 alkyl, C1-C6 alkoxy and halogenated C1-C6 alkoxy;

preferably, the C1-C6 alkyl group is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl and isobutyl, n-pentyl, isopentyl, n-hexyl, isohexyl, 3, 3-dimethylbutyl;

preferably, the C1-C6 alkoxy group is selected from methoxy, ethoxy, n-propoxy, isopropoxy, n-butoxy and isobutoxy, n-pentoxy, isopentoxy, n-hexoxy, isohexoxy, 3, 3-dimethylbutoxy;

preferably, the halogen is selected from fluorine, chlorine, bromine and iodine.

6. A process according to any one of claims 1 to 5, wherein the aminoimine complex has the substructure according to formula IA:

wherein R is₃₁-R₃₄And R in the formula I₂₁-R₂₄Having the same definition, preferably, R₃₃And R₃₄Is hydrogen.

7. The process of any one of claims 1-6, wherein the procatalyst comprises one or more of the following complexes:

1) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

2) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

3) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

4) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

5) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

6) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

7) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

8) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

9) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

10) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

11) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

12) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

13) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

14) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

15) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

16) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

17) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

18) a complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

19) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

20) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

21) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

22) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

23) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

24) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

25) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

26) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

27) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

28) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

29) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

30) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

31) the combination of formula IIIn which R is¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

32) a complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

33) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

34) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

35) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

29) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

30) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

31) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

32) A complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

33) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

34) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

35) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

36) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

37) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

38) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

39) a complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

40) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

41) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

42) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

43) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝HR₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

44) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

45) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

46) A complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

47) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

48) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

49 of the formula (II'), wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

50) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

51) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

52) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

53) a complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

54) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

55) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

56) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁I.e., isobutyl, M ═ Ni, Y ═ O, and X ═ Br.

8. The process according to any one of claims 1 to 7, wherein the olefin comprises an olefin having 2 to 16 carbon atoms, preferably the olefin comprises ethylene or an alpha-olefin having 3 to 16 carbon atoms, and/or the olefinic alcohol is selected from one or more olefinic alcohols of formula G:

in the formula G, L₁-L₃Each independently selected from H and C with or without substituent₁-C₃₀Alkyl radical, L₄Is C having a pendant group₁-C₃₀An alkylene group;

preferably, the copolymer has a content of structural units derived from the olefin alcohol represented by the formula G of 0.4 to 10.0 mol%;

preferably, L₁And L₂Is H, L₃Is H or C₁-C₃₀Alkyl radical, L₄Is C having a pendant group₁-C₃₀An alkylene group;

more preferably, L₁And L₂Is H, L₃Is H or C₁-C₂₀Alkyl radical, L₄Is C having a pendant group₁-C₂₀An alkylene group;

still more preferably, L₁And L₂Is H, L₃Is H or C₁-C₁₀Alkyl radical, L₄Is C having a pendant group₁-C₁₀An alkylene group;

it is further preferred that the first and second liquid crystal compositions,L₁and L₂Is H, L₃Is H or C₁-C₁₀Alkyl radical, L₄Is C having a pendant group₁-C₆An alkylene group.

9. The method of claim 8, wherein L is₁-L₃Wherein said substituents are selected from halogen, C₁-C₁₀Alkyl radical, C₁-C₁₀Alkoxy radical, C₆-C₁₀One or more of aryl, cyano and hydroxy; more preferably L₁-L₃Wherein the substituent is selected from one or more of C1-C6 alkyl, halogen and C1-C6 alkoxy;

the side group in L4 is selected from halogen and C₆-C₂₀Aryl radical, C₁-C₂₀Alkyl and C₁-C₂₀One or more of alkoxy, said C₆-C₂₀Aryl radical, C₁-C₂₀Alkyl and C₁-C₂₀Alkoxy is optionally substituted by a substituent, preferably selected from halogen, C₁-C₁₀Alkyl radical, C₁-C₁₀Alkoxy radical, C₆-C₁₀One or more of aryl and hydroxyl.

10. A process according to any one of claims 1 to 9, characterised in that the cocatalyst is selected from organoaluminium compounds and/or organoboron compounds; the organic aluminum compound is selected from one or more of alkyl aluminoxane, alkyl aluminum and alkyl aluminum halide; the organoboron compound is selected from an aryl boron and/or a borate; the chain transfer agent is selected from one or more of alkyl aluminum, alkyl magnesium and alkyl zinc;

the improver comprises halogenated hydrocarbon, and the halogenated hydrocarbon is preferably selected from halogenated hydrocarbon of C1-C15, more preferably halogenated hydrocarbon of C1-C10, and further preferably halogenated alkane of C1-C6;

preferably, when the cocatalyst is an organoaluminum compound, the molar ratio of aluminum in the cocatalyst to M in the diimine metal complex is (10-10)⁷):1, preferably (10-100000):1, more preferablySelecting (100 + 10000) 1; when the cocatalyst is an organic boron compound, the molar ratio of boron in the cocatalyst to M in the diimine metal complex is (0.1-1000):1, preferably (0.1-500): 1; the molar ratio of the chain transfer agent to M in the diimine metal complex is (0.1-5000) to 1, preferably (1.0-1000) to 1; the volume ratio of the solvent used for the polymerization to the improver is (1-5000):1, preferably (1.0-500): 1.

11. Polar group-containing copolymer, which is spherical and/or spheroidal, and/or has a particle size of 0.1 to 50mm, prepared according to the process of any one of claims 1 to 10.

12. Use of a polar group-containing copolymer prepared according to the process of any one of claims 1 to 10 or the polar group-containing copolymer of claim 11 as a polyolefin material.

Technical Field

The invention belongs to the field of preparation of high molecular polymers, and particularly relates to a polar group-containing copolymer, and a preparation method and application thereof.

Background

The polyolefin product has low price, excellent performance and wide application range. Under the condition of keeping the original excellent physical and chemical properties of the polyolefin, polar groups are introduced into polyolefin molecular chains by a chemical synthesis method, so that the chemical inertness, the printing property, the wettability and the compatibility with other materials can be improved, and new characteristics which are not possessed by raw materials are endowed. High pressure free radical polymerization is currently used commercially to promote direct copolymerization of olefins with polar monomers, such as ethylene-vinyl acetate, ethylene-methyl methacrylate, and ethylene-acrylic acid copolymers. Although the polar comonomer can be directly introduced into the polyolefin chain by high-pressure radical copolymerization, the method requires high-temperature and high-pressure conditions, and is high in energy consumption and expensive in equipment cost.

Ethylene-vinyl alcohol (EVOH or EVAL) copolymer is a novel high molecular material integrating the processability of ethylene polymer and the gas barrier property of vinyl alcohol polymer, is one of three barrier resins industrially produced in the world at present, and is widely used for packaging food, medical solution and other products. Since vinyl alcohol cannot exist independently in the form of monomer, it is usually prepared by alcoholysis of ethylene-vinyl acetate copolymer by radical polymerization, but the alcoholysis process requires the use of a large amount of solvent, and the final saponification product contains a large amount of impurities such as acetic acid and alkali metal salt, and requires a large amount of water for washing.

As a preparation technology of polymers at normal temperature and normal pressure, coordination catalytic copolymerization has attracted extensive attention due to its remarkable effects in reducing energy consumption, improving reaction efficiency and the like. The catalyst participates in the reaction process, so that the activation energy of the copolymerization reaction of the olefin monomer and the polar monomer is greatly reduced, and the functional polymer with higher molecular weight can be obtained at lower temperature and pressure.

In recent years, ｃA method in which ｃA polar group-containing olefin copolymer is produced by polymerization in the presence of ｃA catalyst composed of ｃA transition metal and ｃA specific ligand coordinated thereto has been proposed (see patent document: JP-A-2010-202647; JP-A-2010-150532; JP-A-2010-150246; JP-A-2010-260913). According to these methods, a copolymer having an increased polar group content and having a high elastic modulus and high mechanical strength as compared with a polar group-containing olefin copolymer obtained by a high-pressure radical method can be obtained. The methods described in these documents are mainly used for the production of copolymers of monomers containing an acrylic acid ester group such as methyl acrylate or ethyl acrylate, or monomers containing a specific polar group such as vinyl acetate with ethylene or α -olefin, and polar group-containing olefin copolymers having these functional groups exhibit sufficient adhesion to different kinds of materials of high polarity.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a novel preparation method of a polar group-containing copolymer. The catalyst used in the method provided by the invention comprises a novel trinuclear complex. The spherical and/or spheroidal polymer can be directly obtained by the method, and the polymer has good appearance and good industrial application prospect.

In a first aspect, the present invention provides a process for the preparation of a polar group-containing copolymer which comprises polymerising an olefin and an olefin alcohol in the presence of a catalyst, an improver, and optionally a chain transfer agent, to form the polar group-containing copolymer,

the catalyst comprises a main catalyst and an optional cocatalyst, wherein the main catalyst comprises an amino imine complex shown as a formula I:

in the formula I, R₁And R₂The same or different, independently selected from C1-C30 hydrocarbyl containing or not containing substituent; r₂₁-R₂₄The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl containing substituent or not containing substituent, and C1-C20 alkoxy containing substituent or not containing substituent; r₂₁-R₂₄Optionally forming a ring with each other, preferably R₂₁And R₂₂Forming a benzene ring, which may have a substituent; r₅Selected from hydrogen and substituted or unsubstituted C1-C20 hydrocarbyl; r₁₁Selected from C1-C20 substituted or unsubstituted hydrocarbon groups; y is selected from non-metal atoms of group VIA; m is a group VIII metal; x is selected from halogen, C1-C10 alkyl with or without substituent and C1-C10 alkoxy with or without substituent.

According to some embodiments of the invention, R₁And R₂Selected from substituted or unsubstituted C1-C20 alkyl and or substituted or unsubstituted C6-C20 aryl, preferably R₁And/or R₂Is a group of formula A:

in the formula A, R¹-R⁵The substituents are respectively and independently selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl with or without substituent, C2-C20 alkenyl with or without substituent, C2-C20 alkynyl with or without substituent, C1-C20 alkoxy with or without substituent, C2-C20 alkenyloxy with or without substituent, C2-C20 alkynyloxy with or without substituent, C6-C20 aryl with or without substituent, C7-C20 aralkyl with or without substituent, C7-C20 alkaryl with or without substituent, C6-C20 aryl with or without substituentOxy, substituted or unsubstituted C7-C20 aralkyloxy and substituted or unsubstituted C7-C20 alkaryloxy; r¹-R⁵Optionally forming a ring with each other.

According to some embodiments of the invention, R in formula A¹-R⁵The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C10 alkyl with or without substituent, C2-C10 alkenyl with or without substituent, C2-C10 alkynyl with or without substituent, C1-C10 alkoxy with or without substituent, substituted or unsubstituted C2-C10 alkenyloxy, substituted or unsubstituted C2-C10 alkynyloxy, substituted or unsubstituted C6-C15 aryl, substituted or unsubstituted C7-C15 aralkyl, substituted or unsubstituted C7-C15 alkaryl, substituted or unsubstituted C6-C15 aryloxy, substituted or unsubstituted C7-C15 aralkyloxy and substituted or unsubstituted C7-C15 alkaryloxy.

According to some embodiments of the invention, R¹-R⁵The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C6 alkyl with or without substituent, C2-C6 alkenyl with or without substituent, C2-C6 alkynyl with or without substituent, C1-C6 alkoxy with or without substituent, substituted or unsubstituted C2-C6 alkenyloxy, substituted or unsubstituted C2-C6 alkynyloxy, substituted or unsubstituted C6-C10 aryl, substituted or unsubstituted C7-C10 aralkyl, substituted or unsubstituted C7-C10 alkaryl, substituted or unsubstituted C6-C10 aryloxy, substituted or unsubstituted C7-C10 aralkyloxy and substituted or unsubstituted C7-C10 alkaryloxy.

According to some embodiments of the invention, M is selected from nickel and palladium.

According to some embodiments of the invention, Y is selected from O and S.

According to some embodiments of the invention, X is selected from the group consisting of halogen, substituted or unsubstituted C1-C10 alkyl, and substituted or unsubstituted C1-C10 alkoxy, preferably from the group consisting of halogen, substituted or unsubstituted C1-C6 alkyl, and substituted or unsubstituted C1-C6 alkoxy.

According to some embodiments of the invention, R₁₁Is selected from C1-C20 alkyl with or without substituent, preferably C1-C10 alkyl with or without substituent, more preferably C1-C6 alkyl with or without substituent.

According to some embodiments of the invention, R₅Selected from the group consisting of substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C20 aryl, substituted or unsubstituted C7-C20 aralkyl, and substituted or unsubstituted C7-C20 alkaryl; preferably, R₅Selected from the group consisting of substituted or unsubstituted C1-C10 alkyl, substituted or unsubstituted C6-C10 aryl, substituted or unsubstituted C7-C15 aralkyl, and substituted or unsubstituted C7-C15 alkaryl, more preferably, R₅Is selected from C1-C6 alkyl with or without substituent, such as methyl, ethyl, propyl or butyl.

According to some embodiments of the invention, R₂₁-R₂₄The same or different, each is independently selected from hydrogen, halogen, hydroxyl, C1-C20 alkyl with or without substituent, C2-C20 alkenyl with or without substituent, C2-C20 alkynyl with or without substituent, C1-C20 alkoxy with or without substituent, C2-C20 alkenyloxy with or without substituent, C2-C20 alkynyloxy with or without substituent, C6-C20 aryl with or without substituent, C7-C20 aralkyl with or without substituent, C7-C20 alkaryl with or without substituent, C6-C20 aryloxy with or without substituent, C7-C20 aralkyloxy with or without substituent, and C7-C20 alkaryloxy with or without substituent; r₂₁-R₂₄Optionally forming a ring with each other.

According to some embodiments of the invention, R₂₁-R₂₄The same or different, each independently selected from hydrogen, halogen, hydroxyl, and substitutedA substituted or unsubstituted C1-C10 alkyl group, a substituted or unsubstituted C2-C10 alkenyl group, a substituted or unsubstituted C2-C10 alkynyl group, a substituted or unsubstituted C1-C10 alkoxy group, a substituted or unsubstituted C2-C10 alkenyloxy group, a substituted or unsubstituted C2-C10 alkynyloxy group, a substituted or unsubstituted C6-C15 aryl group, a substituted or unsubstituted C7-C15 aralkyl group, a substituted or unsubstituted C7-C15 alkaryl group, a substituted or unsubstituted C6-C15 aryloxy group, a substituted or unsubstituted C7-C15 aralkyloxy group, and a substituted or unsubstituted C7-C15 alkaryloxy group.

According to some embodiments of the invention, R₂₁-R₂₄The same or different, are each independently selected from hydrogen, C1-C10 alkyl, halogenated C1-C10 alkyl, C1-C10 alkoxy, halogenated C1-C10 alkoxy and halogen, more preferably from hydrogen, C1-C6 alkyl, halogenated C1-C6 alkyl, C1-C6 alkoxy, halogenated C1-C6 alkoxy and halogen.

According to some embodiments of the invention, the substituent is selected from the group consisting of halogen, hydroxy, C1-C10 alkyl, halogenated C1-C10 alkyl, C1-C10 alkoxy, and halogenated C1-C10 alkoxy; the substituents are preferably selected from the group consisting of halogen, hydroxy, C1-C6 alkyl, halogenated C1-C6 alkyl, C1-C6 alkoxy and halogenated C1-C6 alkoxy.

According to some embodiments of the invention, the C1-C6 alkyl group is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl and isobutyl, n-pentyl, isopentyl, n-hexyl, isohexyl, 3, 3-dimethylbutyl.

According to some embodiments of the invention, the C1-C6 alkoxy group is selected from methoxy, ethoxy, n-propoxy, isopropoxy, n-and isobutoxy, n-pentoxy, isopentoxy, n-hexoxy, isohexoxy, 3, 3-dimethylbutoxy.

According to some embodiments of the invention, the halogen is selected from fluorine, chlorine, bromine and iodine.

According to some embodiments of the invention, the aminoimine complex has the substructure as shown in formula IA:

wherein R is₃₁-R₃₄And R in the formula I₂₂-R₂₄Having the same definition, preferably, R₃₃And R₃₄Is hydrogen.

According to some embodiments of the invention, the aminoimine complex is represented by formula II:

examples of aminoimine complexes of formula II include, but are not limited to:

1) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

2) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

3) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

4) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

5)A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

6) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

7) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

8) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

9) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

10) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

11) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

12) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

13) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

14) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

15) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

16) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

17) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

18) a complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

19) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

20) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

21) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

22) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

23) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

24) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

25) A complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

26) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

27) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

28) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

29) A complex of formula II wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

30) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

31) a complex represented by the formula II,wherein R is¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

32) a complex of formula II wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

33) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

34) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

35) a complex of formula II wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₂₂＝H，R₂₁Tert-butyl radical, R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

29) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

30) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

31) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

32) A complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

33) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

34) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

35) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

36) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

37) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

38) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

39) a complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

40) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

41) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

42) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

43) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝HR₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

44) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

45) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

46) A complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

47) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

48) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

49 of the formula (II'), wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

50) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶Is isopropyl, R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝R₁₁＝Et，R₅＝CH₃，M＝Ni，Y＝O，X＝Br；

51) A complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Et，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

52) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

53) a complex of formula (II') wherein R¹-R⁶＝Me，R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

54) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Br，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

55) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝Cl，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

56) a complex of formula (II') wherein R¹＝R³＝R⁴＝R⁶＝F，R²＝R⁵＝R⁷-R¹⁰＝H，R₃₁＝R₃₂＝Et，R₅＝CH₃，R₁₁I.e., isobutyl, M ═ Ni, Y ═ O, and X ═ Br.

According to some embodiments of the invention, the alkene alcohol is selected from one or more of the alkene alcohols represented by formula G:

in the formula G, L₁-L₃Each independently selected from H and C with or without substituent₁-C₃₀Alkyl radical, L₄Is C having a pendant group₁-C₃₀An alkylene group.

According to some embodiments of the invention, the copolymer has a content of structural units derived from the alkene alcohol represented by formula G of 0.4 to 10.0 mol%.

According to some embodiments of the invention, in formula G, L₁And L₂Is H.

According to some embodiments of the invention, in formula G, L₃Is H or C₁-C₃₀An alkyl group.

According to some embodiments of the invention, in formula G, L₄Is C having a pendant group₁-C₃₀An alkylene group.

According to some embodiments of the invention, in formula G, L₃Is H or C₁-C₂₀An alkyl group.

According to some embodiments of the invention, in formula G, L₄Is C having a pendant group₁-C₂₀An alkylene group.

According to some embodiments of the invention, in formula G, L₃Is H or C₁-C₁₀An alkyl group.

According to some embodiments of the invention, in formula G, L₄Is C having a pendant group₁-C₁₀An alkylene group.

According to some embodiments of the invention, in formula G, L₄Is C having a pendant group₁-C₆An alkylene group.

According to some embodiments of the invention, L₁-L₃Wherein said substituents are selected from halogen, C₁-C₁₀Alkyl radical, C₁-C₁₀Alkoxy radical, C₆-C₁₀One or more of aryl, cyano and hydroxyl.

According to some embodiments of the invention, L₁-L₃Wherein the substituent is selected from one or more of C1-C6 alkyl, halogen and C1-C6 alkoxy.

According to some embodiments of the invention, the pendant group in L4 is selected from halogen, C₆-C₂₀Aryl radical, C₁-C₂₀Alkyl and C₁-C₂₀One or more of alkoxy, said C₆-C₂₀Aryl radical, C₁-C₂₀Alkyl and C₁-C₂₀Alkoxy is optionally substituted by a substituent, preferably selected from halogen, C₁-C₁₀Alkyl radical, C₁-C₁₀Alkoxy radical, C₆-C₁₀One or more of aryl and hydroxyl.

According to a preferred embodiment of the invention, said L₄The side group in (A) is selected from halogen and C₆-C₂₀Aryl radical, C₁-C₂₀Alkyl, hydroxy substituted C₁-C₂₀Alkyl and alkoxy substituted C₁-C₂₀One or more of alkyl; preferably, the side group is selected from halogen, C₆-C₂₀Aryl radical, C₁-C₁₀Alkyl, hydroxy substituted C₁-C₁₀Alkyl and alkoxy substituted C_1-10One or more of alkyl; more preferably, the side group is selected from halogen, phenyl, C₁-C₆Alkyl and hydroxy substituted C₁-C₆Alkyl radicalOne or more of (A), the C₁-C₆Alkyl groups include methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, tert-butyl, pentyl and hexyl.

According to a preferred embodiment of the invention, in formula G, L₁And L₂Is H, L₃Is H or C₁-C₃₀Alkyl radical, L₄Is C having a pendant group₁-C₃₀An alkylene group; said C is₁-C₃₀Alkyl is optionally substituted by a substituent, preferably selected from halogen, C₁-C₁₀Alkyl radical, C₁-C₁₀Alkoxy radical, C₆-C₁₀One or more of aryl, cyano and hydroxyl.

According to a preferred embodiment of the invention, in formula G, L₁And L₂Is H, L₃Is H, C₁-C₁₀Alkyl or halogen substituted C₁-C₁₀Alkyl, preferably L₃Is H or C₁-C₁₀An alkyl group; l is₄Is C having a pendant group₁-C₂₀Alkylene radicals, e.g. L₄Is methylene with side group, ethylene with side group, propylene with side group, butylene with side group, C with side group₅Alkylene, C having pendant groups₆Alkylene, C having pendant groups₇Alkylene, C having pendant groups₈Alkylene, C having pendant groups₉Alkylene, C having pendant groups₁₀Alkylene, C having pendant groups₁₂Alkylene, C having pendant groups₁₄Alkylene, C having pendant groups₁₈Alkylene, C having pendant groups₂₀Alkylene, preferably C, having pendant groups₁-C₁₀An alkylene group.

According to a preferred embodiment of the invention, in formula G, L₁And L₂Is H, L₃Is H or C_1-6An alkyl group; l is₄Is C having a pendant group₁-C₁₀An alkylene group.

In the present invention, the carbon number n of the Cn alkylene group means the number of C's in the linear chain, excluding the number of C's in the pendant group, and is, for example, isopropylidene (-CH)₂-CH(CH₃) -) is referred to herein as C with a pendant group (methyl)₂An alkylene group.

According to a preferred embodiment of the present invention, specific examples of the alkene alcohol represented by formula G include, but are not limited to: 2-methyl-3-buten-1-ol, 2-ethyl-3-buten-1-ol, 1-diphenyl-3-buten-1-ol, 2-methyl-3-buten-2-ol, 2-dimethyl-3-buten-1-ol, 3-methyl-1-penten-3-ol, 2, 4-dimethyl-4-penten-2-ol, 4-alkenyl-2-pentanol, 4-methyl-4-penten-2-ol, 2-phenyl-4-penten-2-ol, 2-methyl-3-buten-2-ol, 2-methyl-4-penten-2-ol, 2-methyl-3-buten-ol, 2-methyl-4-penten-2-ol, 2-methyl-4-penten-ol, 2-methyl-4-penten-2-ol, 2-methyl-penten-ol, 2-methyl-4-penten-2-ol, 2-methyl-penten-2-ol, and mixtures thereof, 2-allylhexafluoroisopropanol, 2-hydroxy-5-hexene, 3-buten-2-ol, 3-methyl-5-hexen-3-ol, 2-methyl-2-hydroxy-5-hexene, 1-allylcyclohexanol, 2, 3-dimethyl-2-hydroxy-5-hexene, 1-hepten-4-ol, 4-methyl-1-hepten-4-ol, 4-n-propyl-1-hepten-4-ol, 6-hepten-3-ol, 2-methyl-2-hydroxy-6-heptene, 5-methyl-2-hydroxy-6-heptene, 2-hydroxy-3-methyl-6-heptene, 2-hydroxy-3-ethyl-6-heptene, 2-hydroxy-4-methyl-6-heptene, 2-hydroxy-5-methyl-6-heptene, 2, 5-dimethyl-1-hepten-4-ol, 2, 6-dimethyl-7-octen-2-ol, 2-hydroxy-2, 4, 5-trimethyl-6-heptene, 2-methyl-3-hydroxy-7-octene, 3-methyl-3-hydroxy-6-heptene, 2-methyl-2-hydroxy-7-octene, 2-methyl-6-heptene, 2-hydroxy-6-heptene, 2-methyl-2-hydroxy-7-octene, 2-methyl-2-heptene, 2-methyl-2-1-heptene, 2-methyl-2-4-methyl-6-heptene, 2-methyl-4-heptene, 2-1-octene, 2-octene, 2-heptene, 2-octene, 2-one, 3-methyl-3-hydroxy-7-octene, 4-methyl-2-hydroxy-7-octene, 4-methyl-3-hydroxy-7-octene, 5-methyl-3-hydroxy-7-octene, 6-methyl-3-hydroxy-7-octene, 3-ethyl-3-hydroxy-7-octene, 1, 2-dihydroxy-7-octene, 2, 6-dimethyl-2, 6-dihydroxy-7-octene, 2, 6-dimethyl-2, 3-dihydroxy-7-octene, 2-methyl-2-hydroxy-3-chloro-7-octene, mixtures thereof, and mixtures thereof, 2-methyl-2-hydroxy-3, 5-dichloro-7-octene, 3, 4-dimethyl-4-hydroxy-8-nonene, 4-methyl-4-hydroxy-8-nonene, 4-ethyl-4-hydroxy-8-nonene, 4-propyl-4-hydroxy-8-nonene, 7-octen-2-ol, 3, 5-dichloro-2-methyl-7-octen-2-ol, 3-chloro-2-methyl-7-octen-2, 3-diol, and 2, 6-dimethyl-7-octen-2, 6-diol.

According to a preferred embodiment of the invention, the cocatalyst is chosen from organoaluminum compounds and/or organoboron compounds.

According to an embodiment of the invention, the modifier comprises a halogenated hydrocarbon, preferably selected from halogenated hydrocarbons of C1-C15, more preferably halogenated hydrocarbons of C1-C10, even more preferably halogenated alkanes of C1-C6.

According to a preferred embodiment of the invention, the improver comprises methyl chloride, methylene chloride, chloroform, ethyl chloride, 1, 2-dichloroethane, 1,1, 2-trichloroethane, 1,1, 1-trichloroethane, 1,1,2, 2-tetrachloroethane, 1,1,1, 2-tetrachloroethane, pentachloroethane, hexachloroethane, 2-chloropropane, chloro-n-propane, 1, 3-dichloropropane, 1,1, 2-trichloropropane, 1,1,2,2,3, 3-hexachloropropane, 1,1,1,2,2,3, 3-heptachloropropane, 1-chlorobutane, chloro-tert-butane, 1, 4-dichlorobutane, 1, 2-dichloroisobutane, 1,1, 2-trichloro-2-methylpropane, 1,2,3, 4-tetrachlorobutane, 1-chloropentane, 2-chloro-2-methylbutane, 1-chloro-3-methylbutane, 1-chloro-2, 2-dimethylpropane, 1-chloro-2-methylbutane, 1, 5-dichloropentane, 2, 2-dimethyl-1, 3-dichloropropane, 1,1,1- (trichloromethyl) ethane, tetrachloro-pentanes.

According to a preferred embodiment of the invention, the organoaluminium compound is selected from alkylaluminoxanes or compounds of general formula AlR_nX¹ _3-nWith an organoaluminum compound (alkylaluminum or alkylaluminum halide) of the general formula AlR_nX¹ _3-nWherein R is H, C₁-C₂₀Saturated or unsaturated hydrocarbon radicals or C₁-C₂₀Saturated or unsaturated hydrocarbyloxy radicals, preferably C₁-C₂₀Alkyl radical, C₁-C₂₀Alkoxy radical, C₇-C₂₀Aralkyl or C₆-C₂₀An aryl group; x¹Is halogen, preferably chlorine or bromine; 0<n is less than or equal to 3. Specific examples of the organoaluminum compound include, but are not limited to: trimethylaluminum, triethylaluminum, triisobutylaluminum, tri-n-hexylaluminum, trioctylaluminum, diethylaluminum monohydrogen, diisobutylaluminum monohydrogen, diethylaluminum monochloride, diisobutylaluminum monochloride, ethylaluminum sesquichloride, ethylaluminum dichloride, Methylaluminoxane (MAO) and Modified Methylaluminoxane (MMAO). Preferably, the organoaluminum compound is Methylaluminoxane (MAO).

According to a preferred embodiment of the invention, the organoboron compound is selected from an aryl boron and/or a borate. The arylborole is preferably a substituted or unsubstituted phenylborone, more preferably tris (pentafluorophenyl) boron. The borate is preferably N, N-dimethylanilinium tetrakis (pentafluorophenyl) borate and/or triphenylmethyl tetrakis (pentafluorophenyl) borate.

According to a preferred embodiment of the present invention, the concentration of the main catalyst in the reaction system is 0.00001 to 100mmol/L, for example, 0.00001mmol/L, 0.00005mmol/L, 0.0001mmol/L, 0.0005mmol/L, 0.001mmol/L, 0.005mmol/L, 0.01mmol/L, 0.05mmol/L, 0.1mmol/L, 0.3mmol/L, 0.5mmol/L, 0.8mmol/L, 1mmol/L, 5mmol/L, 8mmol/L, 10mmol/L, 20mmol/L, 30mmol/L, 50mmol/L, 70mmol/L, 80mmol/L, 100mmol/L and any value therebetween, preferably 0.0001 to 1mmol/L, more preferably 0.001 to 0.5 mmol/L.

According to a preferred embodiment of the present invention, when the cocatalyst is an organoaluminum compound, the molar ratio of aluminum in the cocatalyst to M in the procatalyst is (10-10000000):1, for example, 10:1, 20:1, 50:1, 100:1, 200:1, 300:1, 500:1, 700:1, 800:1, 1000:1, 2000:1, 3000:1, 5000:1, 10000:1, 100000:1, 1000000:1, 10000000:1 and any value therebetween, preferably (10-100000):1, more preferably (100-10000): 1; when the cocatalyst is an organoboron compound, the molar ratio of boron in the cocatalyst to M in the procatalyst is (0.1-1000):1, e.g., 0.1:1, 0.2:1, 0.5:1, 0.8:1, 1:1, 1.2:1, 1.4:1, 1.6:1, 1.8:1, 2:1, 2.5:1, 3:1, 4:1, 5:1, 8:1, 10:1, 20:1, 50:1, 100:1, 200:1, 300:1, 500:1, 700:1, 800:1, 1000:1, and any value therebetween, preferably (0.1-500): 1.

According to a preferred embodiment of the invention, the polymerization is carried out in an alkane solvent. The alkane solvent may be selected from C₃-C₂₀One or more alkanes, preferably selected from C₃-C₁₀The alkane, for example, may be selected from one or more of butane, isobutane, pentane, hexane, heptane, octane and cyclohexane, preferably one or more of hexane, heptane and cyclohexane.

According to a preferred embodiment of the invention, the volume ratio of solvent to modifier used for the polymerization is (1-5000):1, preferably (1.0-500): 1. For example, 1:1, 2:1, 5:1, 6:1, 7:1, 8:1, 9:1, 10:1, 15:1, 20:1, 50:1, 100:1, 200:1, 300:1, 500:1, 600:1, 800:1, 1000:1, 2000:1, and any value in between, preferably (1.0-500): 1.

According to a preferred embodiment of the invention, the olefin comprises an olefin having 2 to 16 carbon atoms, and in some embodiments of the invention, the olefin comprises ethylene or an alpha-olefin having 3 to 16 carbon atoms. In other embodiments of the present invention, the olefin is C₃-C₁₆A cyclic olefin, preferably a 5-or 6-membered ring. Preferably, the olefin is ethylene or an alpha-olefin having 3 to 16 carbon atoms, more preferably ethylene or C₂-C₁₀Alpha-olefins, such as ethylene, propylene, butene, pentene, hexene, heptene and octene.

According to a preferred embodiment of the present invention, the concentration of the olefin alcohol monomer represented by the formula G in the reaction system is 0.01 to 6000mmol/L, preferably 0.1 to 1000mmol/L, more preferably 1 to 500mmol/L, and may be, for example, 1mmol/L, 10mmol/L, 20mmol/L, 30mmol/L, 50mmol/L, 70mmol/L, 90mmol/L, 100mmol/L, 200mmol/L, 300mmol/L, 400mmol/L, 500mmol/L and any value therebetween.

According to a preferred embodiment of the present invention, the chain transfer agent is selected from one or more of aluminum alkyls, magnesium alkyls and zinc alkyls.

According to a preferred embodiment of the invention, the chain transfer agent is a trialkylaluminum and/or a dialkylzinc, preferably one or more selected from the group consisting of trimethylaluminum, triethylaluminum, triisopropylaluminum, triisobutylaluminum, tri-n-hexylaluminum, tri-n-octylaluminum, dimethylzinc and diethylzinc.

According to a preferred embodiment of the invention, the molar ratio of the chain transfer agent to M in the procatalyst is (0.1-2000: 1, e.g. 0.1:1, 0.2:1, 0.5:1, 1:1, 2:1, 3:1, 5:1, 8:1, 10:1, 20:1, 50:1, 100:1, 200:1, 300:1, 500:1, 600:1, 800:1, 1000:1, 2000:1 and any value in between, preferably (10-600: 1).

According to a preferred embodiment of the present invention, the olefin alcohol is pre-treated with a dehydroactive hydrogen, preferably with a co-catalyst or chain transfer agent as described above, to remove hydroxyl active hydrogen from the olefin alcohol. Preferably, the molar ratio of hydroxyl groups in the alkene alcohol to co-catalyst or chain transfer agent during pretreatment is from 10:1 to 1: 10.

According to a preferred embodiment of the invention, the reaction is carried out in the absence of water and oxygen.

According to a preferred embodiment of the invention, the conditions of the reaction include: the temperature of the reaction is-50 ℃ to 50 ℃, preferably-20 ℃ to 50 ℃, more preferably 0 ℃ to 50 ℃, and can be, for example, 0 ℃, 10 ℃, 20 ℃, 30 ℃, 40 ℃,50 ℃ and any value therebetween; and/or the reaction time is 10-200min, preferably 20-60 min. In the present invention, the reaction pressure is not particularly limited as long as the monomer can be subjected to coordination copolymerization. When the olefin is ethylene, the pressure of ethylene in the reactor is preferably 1 to 1000atm, more preferably 1 to 200atm, and still more preferably 1 to 50atm, from the viewpoint of cost reduction and simplification of the polymerization process. In the present invention, the "reaction system" is meant to include the totality of solvent, olefin alcohol monomer, catalyst, modifier and optionally chain transfer agent.

The invention also provides the polar group-containing copolymer prepared by the preparation method, which comprises spherical and/or spheroidal polymers.

According to a preferred embodiment of the invention, the spherical and/or spheroidal polymers have an average particle size of 0.1 to 50.0mm, for example 0.1mm, 0.5mm, 1.0mm, 2.0mm, 3.0mm, 5.0mm, 8.0mm, 10.0mm, 15.0mm, 20.0mm, 25.0mm, 30.0mm, 35.0mm, 40.0mm, 45.0mm, 50.0mm and any value in between, preferably 0.5 to 20.0 mm.

According to a preferred embodiment of the present invention, in the polar group-containing copolymer, the content of the structural unit derived from the olefin alcohol represented by the formula G is 0.4 to 30.0 mol%, and for example, may be 0.4 mol%, 0.5 mol%, 0.7 mol%, 0.8 mol%, 1.0 mol%, 1.5 mol%, 2.0 mol%, 5.0 mol%, 8.0 mol%, 10.0 mol%, 15.0 mol%, 20.0 mol%, 25.0 mol%, 30.0 mol% and any value therebetween, preferably 0.7 to 10.0 mol%.

According to a preferred embodiment of the present invention, the weight average molecular weight of the polar group-containing copolymer is 30000-500000, preferably 50000-400000.

According to a preferred embodiment of the present invention, the polar group-containing copolymer has a molecular weight distribution of 4.0 or less, and for example, may be 0.1, 0.5, 1.0, 1.5, 2.0, 2.5, 3.0, 3.5, 4.0 and any value therebetween, and preferably, the molecular weight distribution is 1.0 to 4.0.

In the present invention, the particle size of a spherical or spheroidal polymer is herein considered to be equal to the diameter of a sphere having a volume equal to the volume of the particle.

According to still another aspect of the present invention, there is provided a use of the polar group-containing copolymer as a polyolefin material.

The method for preparing the polar group-containing copolymer provided by the invention uses a novel catalyst containing the trinuclear metal complex. The catalyst is not reported, so the technical problem solved by the invention is to provide a novel preparation method of the polar group-containing copolymer.

Furthermore, compared with the prior art for preparing the polar group-containing copolymer used in the industry, the method for preparing the polar group-containing copolymer provided by the invention omits the step of saponification reaction, and has simpler preparation process.

Furthermore, the modifier introduced in the invention can effectively improve the balling effect of the polymer.

Detailed Description

The present invention will be described in detail with reference to examples, but the present invention is not limited to the examples.

The analytical characterization instrument used in the present invention was as follows:

¹HNMR nuclear magnetic resonance apparatus: bruker DMX 300(300MHz), Tetramethylsilicon (TMS) as an internal standard, was used to test the structure of the complex ligands at 25 ℃.

Comonomer content of Polymer (derived from an olefinic alcohol of formula G)Content of constitutional units): by using¹³CNMR spectroscopy on a 400MHz Bruker Avance 400 NMR spectrometer using a 10mm PASEX 13 probe at 120 ℃ with 1,2, 4-trichlorobenzene dissolution of the polymer sample, analysis of the test.

Molecular weight and molecular weight distribution PDI (PDI ═ Mw/Mn) of the copolymer: measured at 150 ℃ using PL-GPC220 in trichlorobenzene (standard: PS, flow rate: 1.0mL/min, column: 3 XPlgel 10um M1 XED-B300X 7.5 nm).

The activity measurement method comprises the following steps: weight of polymer (g)/nickel (mol). times.2.

For the purpose of conciseness and clarity in the examples, the ligands and complexes are illustrated below:

the diimine compound A1 is an alpha-diimine compound represented by formula V, wherein R is¹＝R³＝R⁴＝R⁶＝CH₃，

R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H；

The diimine compound A2 is an alpha-diimine compound represented by formula V, wherein R is¹＝R³＝R⁴＝R⁶＝i-Pr，R²＝R⁵＝

R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H；

The diimine compound A3 is an alpha-diimine compound of formula V', wherein R is¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝

R⁷＝R⁸＝R⁹＝R¹⁰＝R₃₁＝R₃₂＝H；

Ligand L1 is an aminoimine compound of formula VI, wherein R¹＝R³＝R⁴＝R⁶＝CH₃，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃；

Ligand L2 is an aminoimine compound of formula VI, wherein R¹＝R³＝R⁴＝R⁶＝i-Pr，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃；

Ligand L3 is an aminoimine compound of formula VI, wherein R¹＝R³＝R⁴＝R⁶＝CH₃，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H，R₅＝Et；

Ligand L4 is an aminoimine compound of formula VI', wherein R¹＝R³＝R⁴＝R⁶＝Me，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₃₁＝R₃₂＝H，R₅＝CH₃；

The complex Ni1 is a complex shown as a formula II, wherein R¹＝R³＝R⁴＝R⁶＝CH₃，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H，R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

The complex Ni2 is a complex shown as a formula II, wherein R¹＝R³＝R⁴＝R⁶＝iPr，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H；R₅＝CH₃，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

The complex Ni3 is a complex shown as a formula II, wherein R¹＝R³＝R⁴＝R⁶＝iPr，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H；R₅＝CH₃，R₁₁Isobutyl, M ═ Ni, Y ═ O, X ═ Br;

the complex Ni4 is a complex shown as a formula II, wherein R¹＝R³＝R⁴＝R⁶＝CH₃，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₂₁＝R₂₂＝H；R₅＝Et，R₁₁＝Et，M＝Ni，Y＝O，X＝Br；

The complex Ni5 is a complex shown as a formula (II'), wherein R¹＝R³＝R⁴＝R⁶＝CH₃，R²＝R⁵＝R⁷＝R⁸＝R⁹＝R¹⁰＝R₃₁＝R₃₂＝H；R₅＝Me，R₁₁＝Et，M＝Ni，Y＝O，X＝Br。

Example 1

1) Ligand L1 preparation:

alpha-diimine compound A13.52g (8mmol), 30ml of toluene and 1M trimethylaluminum (16ml and 16mmol) are sequentially added, reflux reaction is carried out for 8 hours, the reaction is stopped by sodium hydroxide/ice water, ethyl acetate extraction is carried out, organic phases are combined, anhydrous magnesium sulfate is dried, and the product is subjected to petroleum ether/ethyl acetate column chromatography separation to obtain colorless crystal ligand L1 with the yield of 85.2%.¹HNMRδ(ppm)7.23-6.88(m,14H),4.84(s,1H),4.73(s,1H),3.85(s,1H,NH),2.02(s,3H,CH₃),1.87(s,6H,CH₃),1.75(s,6H,CH₃).

2) Preparation of complex Ni 1:10 ml of (DME) NiBr₂(277mg,0.9mmol) of an ethanol solution was added dropwise to a solution of 10ml of ligand L1(274mg,0.6mmol) in dichloromethane, and stirred at room temperature for 6 hours to precipitate, which was washed with ether for filtration and dried to obtain a red powdery solid in 74% yield. Elemental analysis (C)₇₀H₇₄Br₆N₄Ni₃O₂): c, 50.68; h, 4.50; n, 3.38; experimental values (%): c, 50.53; h, 4.73; and N, 3.21.

3) Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 10mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 2

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 3

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. 500mL of hexane was poured into the polymerization system, and 8.3mg (5. mu. mol) of the mixture was addedSubstance Ni1, 100mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 4

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 200mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 5

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 1.0mL diethyl zinc (1mol/L hexane solution), 6.5mL MAO (1.53mol/L toluene solution), and the reaction was stirred at 30 ℃ for 30min while maintaining an ethylene pressure of 10 atm. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 6

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. 500mL of hexane was charged to the polymerization system while adding 8.3mg (5. mu. mol) of complex Ni1, 50mL of 1, 2-dichloroethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L in hexane), 6.5mL of MAO (1.53mol/L in hexane)Toluene solution), and the reaction was stirred at 30 ℃ for 30min while maintaining the ethylene pressure of 10 atm. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 7

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 50mL of dichloromethane, 50mmol (8.5mL) of 2-methyl-2-hydroxy-7-octene, 50mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 8

1) Preparation of ligand L2:

alpha-diimine compound A24.42g (8mmol), sequentially adding 30ml of toluene and 1M trimethylaluminum (16ml and 16mmol), refluxing for 8 hours, stopping the reaction by using sodium hydroxide/ice water, extracting by using ethyl acetate, combining organic phases, drying by using anhydrous magnesium sulfate, and carrying out column chromatography on the product by using petroleum ether/ethyl acetate to obtain colorless crystal ligand L2, wherein the yield is 76.2%.¹HNMRδ(ppm)7.21-6.95(m,14H),4.96(s,1H),4.87(s,1H),3.85(s,1H,NH),2.51(m,4H,CH(CH₃)₂),2.02(s,3H,CH₃),1.18(d,3H,CH₃),1.11(d,3H,CH₃),1.05(d,6H,CH₃),0.98(d,6H,CH₃),0.60(d,6H,CH₃).

2) Preparation of complex Ni 2: 10ml of (DME) NiBr₂(277mg,0.9mmol) of an ethanol solution was added dropwise to a solution of 10ml of ligand L2(341mg,0.6mmol) in methylene chloride, and stirred at room temperature for 6 hours to precipitate, which was washed with ether for filtration and dried to obtain a red powdery solid with a yield of 76%. Elemental analysis (C)₈₆H₁₀₆Br₆N₄Ni₃O₂): c, 54.85; h, 5.67; n, 2.97; experimental values (%): c, 54.61; h, 5.73; and N, 3.14.

3) Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 9.4mg (5. mu. mol) of complex Ni2, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 9

Will contain 277mg (0.9mmol) of (DME) NiBr₂To a solution of 341mg (0.6mmol) of ligand L2 in methylene chloride (10mL) was slowly added dropwise. The color of the solution immediately turned deep red and a large amount of precipitate formed. Stirring at room temperature for 6h, and precipitating with anhydrous diethyl ether. Filtering to obtain a filter cake, washing the filter cake with anhydrous ether, and drying in vacuum to obtain a brownish red powdery solid Ni 3. The yield was 84.0%. FT-IR (KBr disc, cm)^-1)2969,1677,1628,1462,1342,1109,794,760. Elemental analysis (C)₉₀H₁₁₄Br₆N₄Ni₃O₂): c, 55.74; h, 5.92; n, 2.89; experimental values (%): c, 56.08; h, 6.12; and N, 3.08.

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 9.7mg (5. mu. mol) of complex Ni3, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under 10atm of ethylene pressure for 60 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 10

1) Preparation of ligand L3: alpha-diimine compound A13.52g (8mmol), and then 30ml of diethyl ether and 2M diethyl zinc (4ml, 8mmol) were added thereto, followed by stirring at room temperature for 3 hoursIn the meantime, the reaction was stopped with ice water, extracted with ethyl acetate, the organic phases were combined, dried over anhydrous magnesium sulfate, and the product was chromatographed over a petroleum ether/ethyl acetate column to give ligand L3 as a colorless crystal with a yield of 50.1%.¹HNMRδ(ppm)7.22-6.86(m,14H),4.82(s,1H),4.73(s,1H),3.85(s,1H,NH),2.04(m,2H,CH₂CH₃),1.89(s,6H,CH₃),1.74(s,6H,CH₃),0.89(t,3H,CH₃).

2) Preparation of complex Ni 4: 10ml of (DME) NiBr₂(277mg,0.9mmol) of an ethanol solution was added dropwise to a solution of 10ml of ligand L3(282mg,0.6mmol) in dichloromethane, and the mixture was stirred at room temperature for 6 hours to precipitate, which was washed with ether by filtration and dried to obtain a red powdery solid with a yield of 73%. Elemental analysis (C)₇₂H₇₈Br₆N₄Ni₃O₂): c, 51.26; h, 4.66; n, 3.32; experimental values (%): c, 51.39; h, 4.93; and N, 3.24.

3) Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.4mg (5. mu. mol) of complex Ni4, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 11

1) Preparation of ligand L4: and adding 30ml of toluene and 1M trimethylaluminum (16ml and 16mmol) into the alpha-diimine compound A34.32g (8mmol) in sequence, stirring at normal temperature for 3 hours, stopping the reaction by using ice water, extracting by using ethyl acetate, combining organic phases, drying by using anhydrous magnesium sulfate, and separating by using petroleum ether/ethyl acetate column chromatography to obtain a colorless crystal ligand L4, wherein the yield is 72.1%.¹HNMRδ(ppm)7.68-7.54(m,8H),7.37(m,4H),7.11-7.04(m,6H),5.16(s,1H),5.08(s,1H),4.05(s,1H,NH),1.94(s,3H,CH₃),1.89(s,6H,CH₃),1.73(s,6H,CH₃).

2) Preparation of complex Ni 5: 10ml of (DME) NiBr₂(277mg,0.9mmol) of an ethanol solution was added dropwise to a solution of 10ml of ligand L4(334mg,0.6mmol) in dichloromethane, and the mixture was stirred at room temperature for 6 hours to precipitate, which was washed with ether for filtration and dried to obtain a red powdery solid with a yield of 72%. Elemental analysis (C)₈₆H₈₂Br₆N₄Ni₃O₂): c, 55.56; h, 4.45; n, 3.01; experimental values (%): c, 55.74; h, 4.73; and N, 3.14.

3)10atm ethylene polymerization: continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6hrs, vacuumizing while it is hot, and adding N₂Replace qi for 3 times. 9.3mg (5. mu. mol) of complex Ni5, 50mL of dichloromethane were added, 500mL of hexane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5ml of Methylaluminoxane (MAO) (1.53mol/L toluene solution) was added. The reaction was vigorously stirred at 60 ℃ for 30min while maintaining an ethylene pressure of 10 atm. The polyethylene was obtained by neutralization with a 10 wt% ethanol solution acidified with hydrochloric acid.

Example 12

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. To the polymerization system was charged 500mL of hexane, while adding 8.3mg (5. mu. mol) of complex Ni1, 50mL of dichloromethane, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 15mL of a toluene solution of N, N-dimethylanilinium tetrakis (pentafluorophenyl) borate (1mmol/L toluene solution) was added, and the reaction was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

Example 13 (for comparison)

Continuously drying a 1L stainless steel polymerization kettle equipped with mechanical stirring at 130 deg.C for 6h, vacuumizing while hot, and adding N₂Replace qi for 3 times. 500mL of hexane was poured into the polymerization system, and 8.3mg (5. mu. mol) of complex Ni1, 30mmol (5.1mL) of 2-methyl-2-hydroxy-7-octene, 30mL of AlEt₃(1.0mol/L hexane solution), 6.5mL of MAO (1.53mol/L toluene solution), and the reaction mixture was stirred at 30 ℃ under an ethylene pressure of 10atm for 30 min. Finally, the polymer was obtained by neutralizing the mixture with a 10 wt% ethanol solution acidified with hydrochloric acid. The polymerization activity and the polymer performance parameters are shown in Table 1.

TABLE 1

As can be seen from Table 1, when the modifier is added, the catalyst of the present invention catalyzes the copolymerization of ethylene and enol, the polymerization activity is high, and the content of spherical polymers in the obtained polymer is increased. The molecular weight of the polymer can be controlled within a wide range according to the addition of the chain transfer agent.

It should be noted that the above-mentioned embodiments are only for explaining the present invention, and do not set any limit to the present invention. The present invention has been described with reference to exemplary embodiments, but the words which have been used herein are words of description and illustration, rather than words of limitation. The invention can be modified, as prescribed, within the scope of the claims and without departing from the scope and spirit of the invention. Although the invention has been described herein with reference to particular means, materials and embodiments, the invention is not intended to be limited to the particulars disclosed herein, but rather extends to all other methods and applications having the same functionality.