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Compound polymerized acrylate rubber and preparation method thereof

A technology of polymethyl methacrylate and acrylate, applied in the rubber field, can solve the problems of limiting the application field of acrylic rubber, insufficient hardness, etc., and achieve the effects of not easy separation, less auxiliary materials, and improved toughness and hardness

Pending Publication Date: 2019-12-31
深圳市宝聚合新材料技术应用有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above technical solutions have improved some properties of acrylic rubber, but the overall hardness is not enough. When acrylic rubber is used as a toughening agent, the hardness is not enough, which limits the application field of acrylic rubber

Method used

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  • Compound polymerized acrylate rubber and preparation method thereof
  • Compound polymerized acrylate rubber and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] Repolymerized acrylate rubber, comprising a polymer core formed by polymerizing acrylate-based monomers and polymethyl methacrylate coated on the surface of the core; wherein the acrylate-based monomer is ethyl acrylate or butyl acrylate One or two of the combination, the mass fraction of the acrylate monomer accounts for 65% of the combined weight of the acrylate monomer and the polymethyl methacrylate core.

Embodiment 2

[0049] Repolymerized acrylate rubber, the difference between Example 2 and Example 1 is that the mass fraction of the acrylate-based monomer accounts for 50% of the combined weight of the acrylate-based monomer and the polymethyl methacrylate core.

Embodiment 3

[0051] Repolymerized acrylate rubber, the difference between Example 3 and Example 1 is that the mass fraction of the acrylate-based monomer accounts for 60% of the combined weight of the acrylate-based monomer and the polymethyl methacrylate core.

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Abstract

The invention relates to the field of rubber, in particular to compound polymerized acrylate rubber and a preparation method thereof. The key points of the technical scheme are as follows: a polymer is formed by polymerizing a polymethyl methacrylate inner core and an acrylate monomer coated outside the inner core on the surface of the inner core, wherein the acrylate monomer is selected from oneor a combination of two of ethyl acrylate and butyl acrylate, and the mass amountof the acrylate monomer accounts for 50%-80% of the total amount of the acrylate monomer and the polymethyl methacrylate inner core.

Description

technical field [0001] The present invention relates to the field of rubber, more particularly, it relates to complex polymerized acrylic rubber and a preparation method thereof. Background technique [0002] Acrylate rubber (hereinafter referred to as ACM) is an elastomer obtained by copolymerizing acrylate as the main monomer, its main chain is a saturated carbon chain, and its side groups are polar ester groups. Due to its special structure, it has many excellent characteristics, such as: heat resistance, aging resistance, oil resistance, ozone resistance, UV resistance, etc., its mechanical properties and processing properties are better than fluororubber and silicone rubber, and its heat resistance, aging resistance and oil resistance Better than nitrile rubber. ACM is widely used in various high-temperature and oil-resistant environments, and has become a sealing material developed and promoted by the automotive industry in recent years, especially for high-temperatur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/08C08L33/12C08K3/22C08F120/14C08F2/02
CPCC08F2/02C08F120/14C08K2003/2296C08L33/08C08L33/12C08L2205/02C08K3/22
Inventor 熊明
Owner 深圳市宝聚合新材料技术应用有限公司
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