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Modified acrylic ester copolymerized emulsion

A technology of acrylate and copolymer emulsion, applied in the direction of coating, etc., can solve the problems of affecting performance, water resistance, scrub resistance, freeze-thaw stability, poor loading capacity of pigments and fillers, and unreasonable proportioning, etc., to achieve enhanced adsorption Formula combination, good freeze-thaw stability, and the effect of improving performance

Inactive Publication Date: 2006-11-29
江苏日出化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Studies have shown that the existence of alkylphenol-containing emulsifiers has a certain harmful effect on the endocrine system of the human body and adjacent species (such as fish). Therefore, the use of existing emulsions does not meet environmental protection requirements, and foreign countries have begun to restrict them.
In addition, the ratio of each component in the existing emulsion is not reasonable, the particle structure binding force inside the polymer is not strong, there are many deficiencies such as water resistance, scrub resistance, freeze-thaw stability, and poor loading capacity of pigments and fillers, which affect its Performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0012] Example 1: Styrene 22, methyl methacrylate 4.2, butyl acrylate 10, diethylhexyl acrylate 10, acrylic acid 0.8, acrylamide 0.5, vinyltrimethoxysilane 0.2, r-methacryloyloxy Trimethoxysilane 0.2, sodium alkyl ether succinate 1.3, alkyl polyoxyethylene ether 1, ammonium persulfate 0.45, sodium bicarbonate 0.06, deionized water 49.29. The above components are prepared according to the conventional process to obtain the modified acrylate copolymer emulsion.

[0013] Example 2: Styrene 12, methyl methacrylate 12, butyl acrylate 15, diethylhexyl acrylate 6, acrylic acid 0.5, acrylamide 0.7, vinyltrimethoxysilane 0.1, r-methacryloyloxy Trimethoxysilane 0.3, Allyl Hydroxysulfonate 0.3, Allyl Polyoxyethylene Ether Sulfate 0.4, Alkyl Ether Sodium Succinate 0.8, Alkyl Polyoxyethylene Ether 1.4, Ammonium Persulfate 0.3, Sodium Bicarbonate 0.07, deionized water 50.13. The above components are prepared according to the conventional process to obtain the modified acrylate copolymer e...

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Abstract

A modified acrylate copolymer used for the emulsoid paint of internal and external walls is prepared from ene-type monomer, emulsifier without alkylphenol (such as sodium alkylether succinate and alkylpolyoxyvinylether), trigger, pH regulator and water. It can improve the performance of said emulsoid paint.

Description

technical field [0001] The invention relates to a modified acrylate copolymer emulsion used for latex coatings for interior and exterior walls. Background technique [0002] Acrylate copolymer emulsion is mainly used in the construction industry to prepare latex paint for interior and exterior walls. At present, this kind of emulsion widely used in China is mainly composed of ethylenic monomers, emulsifiers, initiators, pH regulators and water. The emulsifiers used are octylnonylphenol anions, non-ions, etc. (APE) emulsifier. Studies have shown that the presence of alkylphenol-containing emulsifiers has a certain harmful effect on the endocrine system of the human body and adjacent species (such as fish). Therefore, the use of existing emulsions does not meet environmental protection requirements, and foreign countries have begun to restrict them. In addition, the ratio of each component in the existing emulsion is not reasonable, the particle structure binding force insid...

Claims

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Application Information

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IPC IPC(8): C08F220/10C08F212/08C09D133/08
Inventor 周松奎安明基
Owner 江苏日出化工有限公司