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Preparation method of high-performance acrylic resin

An acrylate-based, high-performance technology, applied in coatings and other directions, can solve the problems of yellowing of emulsion film formation and poor anti-wear properties of acrylates, and achieve improved film-forming yellowing, strong wear resistance, and improved wear resistance. sexual effect

Inactive Publication Date: 2016-11-23
司红康
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, acrylate resins have poor abrasion resistance and slightly yellowish emulsion film formation, so it needs to be modified to protect the safety of life and property

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0032] (1) Add 65g of water, 0.55g of sodium dodecylbenzenesulfonate, 0.25g of fatty alcohol polyoxyethylene ether, 2-acrylamide-2-methanol into a 250ml three-necked flask equipped with a stirrer, thermometer and condenser Propanesulfonic acid 0.3g, heat up to 50°C, stir for 40min, add monomer A, emulsify for 40min, heat up to 70°C and start to flow back water, heat up to 85°C, add dropwise 8.2g of potassium persulfate solution dissolved in 8g of water, The dropwise addition time is 1 hour, and the dropwise reaction is completed for 2 hours, then 1 g of cantharidin and 0.3 g of fluticasone propionate are added, stirred and reacted at 75°C for 2 hours, and the core layer emulsion is obtained;

[0033] The A monomer is formed by mixing 3g of perfluoroallyl benzene, 2g of butyl acrylate, 3g of hydroxyethyl acrylate, 3.0g of ethyl acrylate and 4g of acrylamide;

[0034] (2) Add B monomer and 8.2 g of potassium persulfate solution dissolved in 8 g of water to the core layer emulsio...

example 2

[0037](1) Add 85g of water, 2.5g of sodium dodecylbenzenesulfonate, 0.6g of fatty alcohol polyoxyethylene ether, 2-acrylamide-2-methanol into a 250ml three-necked flask equipped with a stirrer, thermometer and condenser Propanesulfonic acid 3.2g, heat up to 40°C, stir for 40min, add monomer A, emulsify for 60min, heat up to 70°C and start to flow back water, heat up to 80°C, add dropwise 8.6g of ammonium persulfate solution dissolved in 8g of water , the dropwise addition time is 2h, after the dropwise addition, the reaction is completed for 2h, then 4g of 1,2-epoxy-4-vinylcyclohexane and 0.3g of fluticasone propionate are added, stirred and reacted at 80°C for 2h, and the core layer emulsion is obtained;

[0038] The A monomer is composed of 3-methylamino-4,4,4-trifluorobutenoic acid ethyl ester 6g, 3-perfluorooctyl 2-hydroxypropyl acrylate 7g, methyl methacrylate 7g, acrylic acid It is made by mixing 5g of ethyl ester and 7g of 2,3,5,4-tetrahydroxystilbene glucoside;

[003...

example 3

[0042] (1) Add water 75g, sodium dodecylbenzenesulfonate 0.99, fatty alcohol polyoxyethylene ether 0.36g and 2-acrylamide-2-methyl Propanesulfonic acid 1.8g, heat up to 40°C, stir for 30min, add A monomer, emulsify for 45min, heat up to 70°C and start to flow back water, heat up to 80°C, dropwise add 6.8% potassium monopersulfate solution dissolved in 6g of water g, dropwise addition time 2.5h, dropwise reaction 2.5h, then add 1,1,1-trifluoro-2,3-epoxypropane 3g and fluticasone propionate 0.6g, stirring reaction 3h, get the core layer emulsion ;

[0043] The A monomer is composed of: 3.5g of 4-bromo-3,3,4,4-tetrafluorobutene, 5.5g of butyl acrylate, 4g of hydroxypropyl methacrylate, 3g of ethyl acrylate, 3-methyl acrylate 3.2g of 2-butenylamine and 4.5g of 2,3,5,4-tetrahydroxystilbene glucoside;

[0044] (2) Add B monomer and 8.45 g of potassium monopersulfate solution dissolved in 8 g of water to the core layer emulsion obtained in step (1) at the same time, dropwise for 1....

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Abstract

The invention relates to a preparation method of high-performance acrylic resin. According to the method, water, sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether and 2-acrylamide-2-methylpropanesulfonic acid are added; the temperature is raised; stirring is performed; monomers A are added; the emulsification is performed for 40min; when the temperature is raised to 70 DEG C, backflow water is introduced; when the temperature is raised to 85 DEG C, a potassium sulphate solution is added; the reaction is performed for 2h; then, fluticasone propionate is added; stirring and reaction are performed to obtain core layer emulsion; monomers B and a potassium peroxodisulfate solution are simultaneously dripped into the core layer emulsion; after the dripping is completed, stirring and reaction are performed; the temperature is lowered to 50 DEG C; the fatty alcohol-polyoxyethylene ether and the fatty alcohol-polyoxyethylene ether are added; the reaction time is 70 minutes; the reaction is performed for 1h at 70 DEG C; ammonia water is added for regulating the pH value to 7 to 8 to obtain the acrylic resin. The preparation method has the advantages that the abrasive resistance of the acrylic resin is greatly improved; the defect that a film formed by the acrylic resin emulsion becomes yellow is overcome.

Description

[0001] The patent application for the present invention is a divisional application. The application number of the original application is: 201510102534X, the application date is: March 10, 2015, and the title of the invention is: a preparation method of high-performance acrylic resin. technical field [0002] The invention relates to a preparation method of acrylic resin, in particular to a preparation method of high-performance acrylic resin. Background technique [0003] Acrylic resins are used as coatings, adhesives and finishing agents. The largest market is car paint. In addition, they are used in light industry, household appliances, metal household appliances, aluminum products, coil industry, instrumentation, construction, textiles , plastic products, wood products, paper and other industries are widely used. Acrylic resin coatings are developing in the direction of water-based, multi-functional and high-performance. [0004] However, acrylic resins have poor abra...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F265/06C08F220/14C08F220/28C08F212/08C08F220/18C08F214/18C08F226/02C09D151/06
CPCC08F265/06C09D151/06C08F220/281
Inventor 司红康
Owner 司红康
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