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Manufacturing method of functionalized polyolefin material

A technology of functionalized polyolefin and manufacturing method, which is applied in the field of thermally stable oil-resistant elastomer and can solve problems such as high elasticity

Inactive Publication Date: 2014-02-12
虞海盈
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the elasticity of the final polymer of this type of composition is too large, which is not suitable for the application of the engine, which requires a closer ratio of strength to elasticity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The technical solution of the present invention will be described in detail below through the examples. It should be understood that the following examples are exemplary only, and can only be used to explain and illustrate the technical solution of the present invention, and cannot be interpreted as the technical solution of the present invention. limits.

[0018] A method for producing a functionalized polyolefin material, the steps of which include,

[0019] providing an a-olefin comonomer and a flexible diene comonomer; the a-olefin comonomer consists of ethylene, propylene and 1-dodecene, wherein the molar ratio of ethylene to propylene is 1:1, The molar ratio of the 1-dodecene to ethylene and propylene is 1:4.5;

[0020] The flexible diene comonomer consists of 7-methyl-1,6-octadiene, 1,4-hexadiene and 4-ethylene-1-cyclohexene; wherein, 7-methyl-1 , the molar ratio of 6-octadiene, 1,4-hexadiene and 4-ethylene-1-cyclohexene is 1:2.5:1.5;

[0021] The molar ratio ...

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PUM

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Abstract

The invention relates to a manufacturing method of a functionalized polyolefin material. The functionalized polyolefin material is composed of an olefin comonomer and a flexible diene comonomer, wherein the alpha-olefin comonomer is composed of ethylene, propylene and 1-dodecene; and the flexible diene comonomer is composed of 7-methyl-1,6-octadiene, 1,4-hexadiene and 4-vinyl-1-cyclohexene. The technical scheme can enhance the strength of the functionalized polyolefin material on the premise of ensuring the elasticity.

Description

technical field [0001] The present invention belongs to the preparation of epoxidized and hydrocarbylated copolymers of α-olefins and dienes, especially the production of thermally stable oil-resistant elastomers by epoxidized and hydroxylated copolymers of flexible dienes. Background technique [0002] In the automotive and other fields, especially in the engine field, there are many places where oil-resistant and high-temperature-resistant elastomers are required. The currently used high temperature elastomers with oil resistance are mainly chloroprene and nitrile rubber, but the high temperature resistance of these two materials is insufficient. [0003] It has been proposed that the functionalized polyolefin (FPO) material prepared by epoxidized and alkylated copolymer of α-olefin and flexible diene not only surpasses chloroprene and nitrile rubber in terms of high temperature resistance, And it is also lower than the currently used chloroprene and nitrile rubber in ter...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F210/16C08F236/20C08F8/08C08L23/30C08L47/00
Inventor 虞海盈
Owner 虞海盈
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