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Self-crosslinking acrylic resin

An acrylic resin, self-crosslinking technology, applied in the field of water-based resin synthesis

Inactive Publication Date: 2019-02-19
CHINA TOBACCO ZHEJIANG IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the product characteristics of some self-crosslinking acrylic resins are disclosed, which have certain product properties, but none of them have their synergy

Method used

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  • Self-crosslinking acrylic resin
  • Self-crosslinking acrylic resin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] 225g methyl methacrylate, 75g ethyl methacrylate, 125g butyl methacrylate, 25g methylol propane monoallyl ether, 40g polyol; 40g polyacid, 175g isocyanate, 15g glycidyl methacrylate , vinyl acetate 15g, sulfate 25g, chain extender 35g, 1,4-butanediol 15g, emulsifier 35g, vegetable starch 40g, organic amine 25g, neutralized by mixing dispersion polymerization.

Embodiment 2

[0026] 175g methyl methacrylate, 100g ethyl methacrylate, 140g butyl methacrylate, 40g methylolpropane monoallyl ether, 30g polyalcohol; 50g polybasic acid, 125g isocyanate, 25g glycidyl methacrylate , vinyl acetate 25g, sulfate 40g, chain extender 30g, 1,4-butanediol 25g, emulsifier 35g, vegetable starch 30g, organic amine 20g, neutralized by mixing dispersion polymerization.

Embodiment 3

[0028] 150g methyl methacrylate, 90g ethyl methacrylate, 130g butyl methacrylate, 35g methylol propane monoallyl ether, 55g polyol; 45g polybasic acid, 120g isocyanate, 30g glycidyl methacrylate , vinyl acetate 30g, sulfate 35g, chain extender 35g, 1,4-butanediol 30g, emulsifier 35g, vegetable starch 30g, organic amine 25g, neutralized by mixing dispersion polymerization.

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Abstract

The invention provides a self-crosslinking acrylic resin, which achieves the above aims through the following technical scheme that: isocyanate is adopted to change a product structure to form the self-crosslinking acrylic resin, the molecular weight is adjusted through modification of a chain expansion-shrinkage agent, neutralization of organic amine is carried out to improve the stability of theproduct, and finally the water-based self-crosslinking acrylic resin simultaneously has the performances of water resistance, oil resistance, heat resistance and aging resistance. The specific technical scheme includes that each 100 parts by weight of resin comprises 20-25 parts of methyl methacrylate, 5-10 parts of ethyl methacrylate, 15-20 parts of butyl methacrylate, 2-3 parts of hydroxymethylpropane monoallyl ether, 3-5 parts of polyol, 3-5 parts of polybasic acid, 15-20 parts of isocyanate, 1-2 parts of glycidyl methacrylate, 1-2 parts of vinyl acetate, 2-5 parts of chain expansion-shrinkage agents, 2-3 parts of sulfate, 1-2 parts of 1,4-butanediol, 2-5 parts of emulsifiers, 3-5 parts of plant starch and 2-3 parts of organic amine.

Description

technical field [0001] The invention belongs to the field of water-based resin synthesis, and particularly relates to that the formula can be infinitely diluted with alcohol water without destroying the product structure of the resin itself, and some characteristics of water resistance, oil resistance, heat resistance and aging resistance can be achieved through grafting technology and infinite expansion chain. Background technique: [0002] Acrylic resin refers to acrylic acid or methacrylic acid and its derivative monomers as the main raw material, with the help of the characteristics of some functional monomers, high polymers with different uses are synthesized through polymerization reactions. The properties of acrylic resins synthesized by different formulas are different. Are not the same. As the market puts forward higher and higher performance requirements for packaging products, resin manufacturers are facing considerable challenges. There are many water-based self...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/14C08F220/18C08F216/14C08F220/32C08F218/08C08F2/44C08J3/24
CPCC08F2/44C08F220/14C08J3/24C08J2333/12C08F220/18C08F220/1804C08F216/1416C08F220/325C08F218/08
Inventor 徐清泉王辉杜芳琪曹得坡汤德芳李海锋杨皓
Owner CHINA TOBACCO ZHEJIANG IND