阅读说明：本技术 含磷热塑性聚合物 (Phosphorus-containing thermoplastic polymers ) 是由 B·法斯本德 T·富特尔 H·韦姆特 M·道林 M·希赛尔斯基 于 2019-01-10 设计创作，主要内容包括：本发明关于一种聚合物、用于制造该聚合物的方法、该聚合物的用途及含有该聚合物的阻燃剂和塑料组合物。描述一种基于丙烯酸酯的含磷聚合物,其不交联或仅轻微交联并形成请求的聚合物。该聚合物适合作为阻燃剂并用于塑料的阻燃剂。(The invention relates to a polymer, a method for producing the polymer, the use of the polymer, and flame retardants and plastic compositions containing the polymer. An acrylate-based phosphorus-containing polymer is described which is not crosslinked or is only slightly crosslinked and forms the desired polymer. The polymers are suitable as flame retardants and for plastics.)

1. A polymer obtainable by a process comprising: in a first step a compound or a mixture of compounds having the general formula I

With a compound of the formula II or a mixture of compounds of the formula II

R²-H

II

To obtain a compound having the general formula III or a mixture of compounds having the general formula III

Wherein the compound of the formula III or the mixture of compounds of the formula III is reacted in a second step with one or more methacrylates and/or acrylates of the formula IV, if desired

React to form a polymer, wherein

R¹Is hydrogen and C₁-C₆Alkyl radical, C₆-C₁₂Aryl or C₆-C₁₂An alkylaryl group,

R²is a system

R³Is a system

And wherein X is

Wherein R is⁴Is hydrogen, -CH₂OH、-OH、C₁-C₆Alkyl radical, C₆-C₁₂-aryl, C₆-C₁₂-alkylaryl or

R⁶And R⁷Each independently is hydrogen, C₁-C₆Alkyl radical, C₆-C₁₂-aryl or C₆-C₁₂-alkylaryl, and

in the compounds of the formulae I and III or mixtures of compounds of the formulae I and III, n denotes an average chain length in the range from 1 to 100, preferably from 1 to 10, particularly preferably from 1 to 3,

characterized by the following formula R in the compound or the mixture of compounds of the formula III³Residue of

Is from 0.8 to 1.3 and the polymer is a thermoplastic.

2. The polymer as claimed in claim 1, wherein the proportion by weight of phosphorus is at least 8.5% by weight, preferably at least 9% by weight, particularly preferably at least 9.5% by weight and most particularly preferably at least 10% by weight.

3. The polymer of claim 1 or 2, wherein compound I is selected from pentaerythritol tetraacrylate (PETA), dipentaerythritol hexaacrylate (DPEHA) and tris (2-acryloyloxyethyl) isocyanurate (thecta).

4. The polymer according to claim 1 or 2, wherein the reaction of the first step is carried out under catalysis by a catalyst selected from tertiary amines and tertiary amine bases, preferably triethylamine.

5. The polymer of claim 1 or 2, wherein the reaction of the second step is carried out by emulsion or suspension polymerization.

6. The polymer of claim 1 or 2, wherein the average number of molar masses of the polymerAt least 20,000g/mol, particularly preferably at least 40,000g/mol, particularly preferably at least 80,000 g/mol.

7. A process for producing polymers, which comprises the process measures as defined in claims 1 to 6.

8. The process according to claim 7, wherein the second step is carried out by adding one or more methacrylates and/or acrylates of the formula IV,

wherein the compounds of the formulae IV and III are added in such a molar ratio that the polymer obtained contains not less than 6% by weight of phosphorus.

9. A flame retardant composition comprising the polymer of any one of claims 1 to 6.

10. The flame retardant composition of claim 9, comprising at least one additional flame retardant ingredient selected from the group consisting of: nitrogen bases, melamine derivatives, phosphates, pyrophosphates, polyphosphates, organic and inorganic phosphinates, organic and inorganic phosphonates and derivatives of the above compounds, preferably selected from ammonium polyphosphates; ammonium polyphosphates coated and/or coated and crosslinked with melamine, melamine resins, melamine derivatives, silanes, siloxanes (silicones), polysiloxanes (silicones) or polystyrene; and 1, 3, 5-triazine compounds including melamine, melam, melem, melon (melon), ammeline (ammeline), ammelide (ammelide), 2-ureidomelamine, acetoguanamine, benzoguanamine, diaminephenyl triazine, melamine salts and adducts, melamine cyanurate, melamine borate, melamine orthophosphate, melamine pyrophosphate, dimelamine pyrophosphate, aluminum diethylphosphinate and melamine polyphosphate, polyphosphates of oligomeric and polymeric 1, 3, 5-triazine compounds and 1, 3, 5-triazine compounds, guanine, piperazine phosphate, piperazine polyphosphate, ethylenediamine phosphate, pentaerythritol, dipentaerythritol, boron phosphate, 1, 3, 5-trihydroxyethyl isocyanurate, 1-isocyanurate, 3, 5-triglycidyl isocyanurate, triallyl isocyanurate and derivatives of the above compounds.

11. The flame retardant composition of claim 10, wherein the ratio of polymer to at least one further flame retardant ingredient in the flame retardant composition is from 1: 18 to 1: 4, preferably from 1: 9 to 1: 4 and particularly preferably from 1: 6 to 1: 4.

12. Use of a polymer as claimed in any one of claims 1 to 6 as a flame retardant in the manufacture of a plastics composition or in a flame retardant composition as claimed in any one of claims 9 to 11.

13. Use according to claim 12, wherein the plastic composition is selected from filled and unfilled polyamides, polyesters and polyolefins.

14. Use according to claim 12 or 13, wherein the polymer is added in an amount of 1 to 20 wt. -%, preferably between 1 and 15 wt. -%, particularly preferably 2 to 10 wt. -%, relative to the total weight of the plastic composition containing the polymer.

15. Use according to claim 12 or 13, wherein the flame retardant composition according to any one of claims 9 to 11 is added to the plastic composition, wherein the content of the flame retardant composition in the plastic composition is 2 to 30 wt. -%, preferably 5 to 25 wt. -%, particularly preferably 10 to 20 wt. -%, most preferably 15 to 20 wt. -%, relative to the total weight of the plastic composition containing the flame retardant composition.

16. A plastic composition comprising the polymer of any one of claims 1 to 6.

17. The polymer of claim 1, wherein the structure of formula V comprises

Wherein

R¹Is hydrogen, C₁-C₆Alkyl radical, C₆-C₁₂Aryl or C₆-C₁₂An alkylaryl group,

R⁵is a system

R²Is a system

X is

And wherein R is⁴Is hydrogen, -CH₂OH、-OH、C₁-C₆Alkyl radical, C₆-C₁₂-aryl, C₆-C₁₂-alkylaryl or

And wherein

R¹、R²、R⁴、R⁵And X may each be the same or different, and r and s may be the same or different and the sum of r + sRepresents an average chain length in the range of 0 to 99 and p represents an average chain length in the range of 5 to 500.