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Rubber modification methacrylate resin composition

A methacrylate and resin composition technology, which is applied in the field of rubber-modified methacrylate resin composition, can solve the problem that the impact resistance strength is poor, and the physical properties such as impact resistance strength and heat resistance cannot be achieved. Industry requirements and other issues to achieve the effect of good physical properties

Inactive Publication Date: 2014-07-09
CHI MEI CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But the impact strength of rubber-modified methacrylate resin is poorer than that of rubber-modified styrene-based resin, and the resin properties of rubber-modified methacrylate resin, such as: impact strength and heat resistance However, the physical properties such as resistance still cannot meet the requirements of the industry; therefore, it is necessary to improve the physical properties of rubber-modified methacrylate resins to enhance the application value of rubber-modified methacrylate resins

Method used

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  • Rubber modification methacrylate resin composition
  • Rubber modification methacrylate resin composition
  • Rubber modification methacrylate resin composition

Examples

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preparation example 1

[0060] [Preparation Example 1] graft copolymer mixture

[0061] Styrene-acrylonitrile copolymer (A 1 ) and rubbery acrylate graft copolymer (B) form a graft copolymer mixture, and the graft copolymer mixture manufacture method is as follows:

[0062] (1) First, the acrylic rubber emulsion with a weight average particle size of 0.1 μm is obtained by polymerizing 99.0% n-butyl acrylate and 1.0% allyl methacrylate, with a solid content of about 38% and a weight average particle size of 0.1 μm.

[0063] (2) The acrylic rubber emulsion with a weight average particle size of 0.4 μm is obtained by polymerizing 99.0% of n-butyl acrylate and 1.0% of allyl methacrylate, with a solid content of about 38% and a weight average particle size of 0.4 μm .

[0064] (3) Finally, 70% by weight of the above-mentioned acrylate rubber emulsion with a weight average particle diameter of 0.1 μm and 30% by weight of the above-mentioned acrylate rubber emulsion with a weight average particle diamete...

preparation example 2

[0067] [Preparation example 2] methacrylate copolymer (A 2 )

[0068] The product model Acryrex CM-211 manufactured by Chi Mei Corporation was used.

preparation example 3

[0069] [Preparation Example 3] Styrene-Unsaturated Dicarboxylic Anhydride Copolymer (A 3 -1)

[0070] SZ-26080 manufactured by Polyscope Corporation was used, the maleic anhydride monomer unit content was 26% by weight, the styrene monomer unit content was 74% by weight, and the weight average molecular weight was 80,000.

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Abstract

The invention relates to a rubber modification methacrylate resin composition including a continuous phase formed by 60-85% by weight of copolymer (A) and a dispersion phase formed by 15-40% by weight of acrylate rubber grafted copolymer (B). The copolymer (A), base on the total of 100% by weight, comprises 2-27% of acrylonitrile-styrene copolymer (A1), 42-80% of methyl-acrylate polymer (A2), and 8-32% of styrene-unsaturated dicarboxylic anhydride copolymer (A3).

Description

technical field [0001] The invention relates to a rubber-modified methacrylate resin composition, in particular to a rubber-modified methacrylate comprising a methacrylate polymer and a styrene-unsaturated dicarboxylic anhydride copolymer Department of resin composition. Background technique [0002] Generally, plastic molded products used for electrical equipment and household goods contain mostly rubber-modified styrene-based resins, polycarbonate resins, or rubber-modified methacrylate-based resins. The rubber-modified methacrylate resin is a ternary graft copolymer composed of acrylonitrile, styrene and acrylate rubber. Compared with the rubber-modified styrene-based resin, acrylate-based resin with less double bond content Rubber has replaced butadiene rubber, so the weather resistance has been essentially overcome, which is about 10 times higher than rubber modified styrene resin, and can be used directly outdoors, typically used in automotive fields such as exterior ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L33/10C08L25/12C08L35/06C08L51/04
Inventor 黄世玮苏文义
Owner CHI MEI CORP
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