Polypropylene composition comprising glass fibers

文档序号:1301584 发布日期:2020-08-07 浏览:10次 中文

阅读说明:本技术 包含玻璃纤维的聚丙烯组合物 (Polypropylene composition comprising glass fibers ) 是由 J·P·A·马腾斯 J·赫拉绰瓦 L·甲辛斯卡-沃尔克 R·J·P·施普尔 R·达查特奥 于 2018-12-07 设计创作,主要内容包括:本发明涉及一种组合物,其包含a)丙烯均聚物和/或由至少70.0wt%的丙烯单体单元和至多30.0wt%的共聚单体单元组成的丙烯共聚物,该共聚单体单元选自乙烯单体单元和具有4至10个碳原子的α-烯烃单体单元,b)任选的乙烯-α-烯烃共聚物,c)玻璃纤维和d)d1)官能化的聚丙烯与d2)聚醚胺的反应产物,其中a)和b)的总量相对于总组合物为10.0至80.0wt%或20.0至80.0wt%,c)的量相对于总组合物为5.0至50.0wt%,d2)的量相对于总组合物为至少5.0wt%和d2)与d1)的重量比为至少0.050。(The present invention relates to a composition comprising a) a propylene homopolymer and/or a propylene copolymer consisting of at least 70.0 wt% of propylene monomer units and at most 30.0 wt% of comonomer units selected from ethylene monomer units and α -olefin monomer units having from 4 to 10 carbon atoms, b) optionally an ethylene- α -olefin copolymer, c) glass fibers and d) the reaction product of d1) a functionalized polypropylene and d2) a polyetheramine, wherein the total amount of a) and b) is from 10.0 to 80.0 wt% or from 20.0 to 80.0 wt% relative to the total composition, the amount of c) is from 5.0 to 50.0 wt% relative to the total composition, the amount of d2) is at least 5.0 wt% relative to the total composition and the weight ratio of d2) to d1) is at least 0.050.)

1. A composition comprising

a) Propylene homopolymers and/or propylene copolymers consisting of at least 70.0% by weight of propylene monomer units and up to 30.0% by weight of comonomer units selected from ethylene monomer units and α -olefin monomer units having from 4 to 10 carbon atoms,

b) optionally an ethylene- α -olefin copolymer,

c) glass fibers, and

d) d1) reaction products of functionalized polypropylene with d2) polyetheramine,

wherein the total amount of a) and b) is from 10.0 to 80.0 wt% or from 20.0 to 80.0 wt% relative to the total composition,

c) in an amount of from 5.0 to 50.0 wt% relative to the total composition,

d2) in an amount of at least 5 wt% relative to the total composition, and

d2) and d1) is at least 0.050 by weight.

2. The composition according to claim 1, wherein d1) is an anhydride functionalized polypropylene, preferably a maleic anhydride functionalized polypropylene.

3. The composition of any of the preceding claims, wherein d) has one of the following formulae (i) - (iv):

wherein n is 5 to 50000 and m is 3 to 100,

wherein R is1H and R2=H,R1H and R2=CH3Or R1=CH3And R2=CH3And an

Wherein X is selected from-OH and-OCH3、-CH2C(R1)HNH2

4. Composition according to any one of the preceding claims, wherein the amount of d1) is from 10.0 to 50.0 wt.%, preferably from 30.0 to 45.0 wt.%, relative to the total composition, and/or wherein the amount of d2) is at least 10.0 wt.%, such as from 11.0 to 30.0 wt.%, relative to the total composition, and/or the weight ratio of d2) to d1) is at least 0.20, such as from 0.25 to 1.00.

5. The composition according to any one of claims 1 to 4, wherein the composition comprises a heterophasic propylene copolymer consisting of a1) matrix and b1) dispersed phase, wherein a) comprises a1), and b) comprises b 1).

6. The composition of claim 5, wherein

The amount of a1) is from 60.0 to 95.0% by weight, based on the sum of a1) and b1), and the amount of b1) is from 5.0 to 40.0% by weight, based on the sum of a1) and b1),

the amount of ethylene monomer units in b1) is from 10.0 to 70.0% by weight, and/or

-the melt flow index of the heterophasic propylene copolymer is from 10.0 to 100.0dg/min measured according to ISO1133(2.16kg/230 ℃).

7. The composition according to claim 5 or 6, wherein the amount of b) is 10.0 to 40.0 wt.%, 20.0 to 40.0 wt.% or 30.0 to 40.0 wt.%, relative to the sum of a) and b)

8. The composition according to any one of claims 5-7, wherein the glass fibers are long glass fibers having an average length of at least 4.0mm prior to addition to the composition, and preferably wherein the amount of glass fibers is at least 20.0 wt.%, at least 25.0 wt.%, at least 30.0 wt.%, or at least 35.0 wt.% relative to the composition.

9. The composition according to any one of claims 1-4, wherein the amount of b) is 0 to 30.0 wt.%, 0 to 20.0 wt.%, 0 to 10.0 wt.% or 0 to 5.0 wt.% or 0 wt.%, relative to the sum of a) and b).

10. The composition according to claim 9, wherein the glass fibers are short glass fibers having an average length of less than 4.0mm prior to addition to the composition, and preferably wherein the amount of the glass fibers in the embodiments is at least 20.0 wt.%, at least 25.0 wt.%, at least 30.0 wt.%, or at least 35.0 wt.% relative to the composition.

11. Automotive body part comprising a composition according to any one of the preceding claims.

12. An instrument panel support comprising the composition of any one of claims 5-8.

13. A tailgate or door handle comprising the composition according to any one of claims 9-10.

14. A method of bonding a first component to a second component comprising the steps of:

i) moulding a first part from a first composition, wherein the first composition is a composition according to any one of claims 1-10,

ii) optionally surface treating the surface of the first component by plasma or flame,

iii) optionally applying a primer on the surface of the first component, and

iv) pressing the first and second components together with the adhesive therebetween.

15. The method of claim 14, wherein the method does not comprise step ii).

Example (b):

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