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Fluorine-silicon / or oil modified acrylic ester copolymer cation emulsion

A cationic emulsion and acrylate technology, which is applied in the preparation of acrylate copolymer cationic emulsion and in the field of functional monomers, can solve the problems of less cationic emulsion and stay in the research stage, and achieve improved adhesion and water resistance and full paint film Increased strength, excellent antistatic effect

Active Publication Date: 2009-07-08
广东天银实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are many introductions about fluorine-silicon modified acrylic anionic emulsions, but there are few cationic emulsions, which are still in the research stage in China.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1. Butyl acrylate 55, methyl (meth)acrylate 19.0g, styrene 20.0g, N-methylolacrylamide 1.4g, vinyltrimethoxysilane 1.0g, dodecyldimethyl Benzyl ammonium chloride 2.35, OP-10 emulsifier 1.0g, deionized water 149.0g, add buffer to adjust the pH to 3-5.5, in the presence of 2,2-azoisobutyl squint hydrochloride (additional amount (0.96g), the silicon modified cationic emulsion was prepared by conventional emulsion polymerization process at 70-85°C.

Embodiment 2

[0023] Example 2. Butyl acrylate 63.8, methyl (meth)acrylate 27.4g, fluoroalkyl (meth)acrylate 13,1g, styrene 26.2g, N-methylol acrylamide 1.4g, acrylic acid hydroxy 2.0g of ethyl ester, 1.4g of acryloxypropyltrimethoxysilane, 5.4g of (meth)acryloylethoxytrialkylammonium chloride, 2.0g of dodecyldimethylbenzylammonium chloride, Alkyl polyoxyethylene ether 2.0g, deionized water 211.0g, add buffer to adjust the pH to 3-5.5, in the presence of peracetic acid (addition amount is 2.7g), at 70-85 ℃ through conventional emulsion polymerization process Prepared fluorine silicon modified cationic emulsion.

Embodiment 3

[0024] Example 3: 51.0g of butyl acrylate, 23.0g of methyl (meth)acrylate, 26.0g of styrene, 1.5g of N-methylolacrylamide, 1.5g of (meth)acryloxypropyltrimethoxysilane , (Meth)acrylamide ethyl ethylene urea 5.0g, dimethyl diallyl ammonium chloride 1.6g, dodecyl trimethyl ammonium bromide 2.0g, OP-10 emulsifier 1.0g, 202.8g of deionized water, add buffer to adjust the pH to 3-5.5, in the presence of hydrogen peroxide and sodium sulfite (additions are 1.09g and 0.54g, respectively), at 60-75℃ through conventional emulsion polymerization process. Cross-linked cationic emulsion.

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PUM

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Abstract

The invention relates to the preparation of silicon fluorine / or oil modified acrylate copolymer cationic emulsion. The emulsion is obtained through the emulsion polymerization in the presence of a cationic surfactant and a nonionic surfactant. The emulsion comprises an acrylic acid alkyl ester and (methyl) acrylic acid alkyl ester, ethylene carbonate, aroma substituted olefin and functional monomers such as N-hydroxyalkyl acrylamide, (methyl) acrylic acid alkyl fluoride ester, ethynyl / acryloyl oxygen ethyl trialkoxy silane or polymerisable acryloyl oxygen alkyl urethane oil, (methyl) acryloyl oxygen ethyl trialkyl ammonium chloride and / or (methyl) acrylic acid dimethylamine group ethyl ester and a crosslinking agent. The cationic emulsion has excellent performance and can be widely applied to paper products, plastics, coating agents for leather and top grade coatings.

Description

Technical field: [0001] The present invention relates to an acrylate copolymer cation modified with functional monomers such as fluoroalkyl (meth)acrylate and vinyl trialkoxysilane / or polymerizable acryloxyalkyl urethane oil Preparation of emulsion. Background technique: [0002] Cationic acrylic emulsion is different from anionic emulsion. The polymer surface has a positive charge. It is not only beneficial to the neutralization, adsorption and adhesion of the negatively charged surface, but also has the functions of sterilization, dustproof and antistatic, so it is widely used. It is used in the treatment of fabrics, paper and leather, the antistatic treatment of polymer materials, and the inherent adhesion, weather resistance and film-forming properties of acrylic resins, so acrylic cationic emulsions can also be used in architectural coatings. [0003] There are many introductions about fluorosilicone modified acrylic anionic emulsion, but there are few cationic emulsions. At...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F220/10C08F220/58C08F220/22C08F230/08C08F220/60C08F220/34C08F2/24
Inventor 蔡理纯蔡明生吕任扬郑宗武
Owner 广东天银实业有限公司
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