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Environment-friendly waterborne coating and preparation method thereof

A water-based coating, environmental protection technology, applied in the direction of coating, etc., can solve the problems of low hardness, wear resistance and other physical indicators, low equipment dependence, general performance, etc., to achieve low production cost and low equipment dependence , excellent overall performance

Active Publication Date: 2018-12-11
南雄市恺祁化学工业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of the present invention is to provide a kind of environment-friendly water-based paint and its preparation method, the preparation method is simple and easy, not high in dependence on equipment, and the price is low, the prepared environment-friendly water-based paint overcomes the water-based paint comprehensive General performance, relatively low chemical properties, low physical indicators such as hardness and wear resistance, and can not meet the technical problems of application in more demanding occasions. It has more convenient construction, better fullness, lower production cost, and better comprehensive performance. , use more green environmental protection

Method used

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  • Environment-friendly waterborne coating and preparation method thereof

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Embodiment 1

[0030] An environmentally friendly water-based paint, which is made of the following components in parts by weight: 45 parts of modified polyethylene glycol methacrylate film-forming polymers, 20 parts of pyrrolidone-based ionic copolymers, and 1 part of polyacrylate leveling agent parts, 10 parts of nano-titanium dioxide, 2 parts of tributyl phosphate, and 20 parts of water.

[0031] The preparation method of described modified polyethylene glycol methacrylate film-forming polymer comprises the steps:

[0032] 1) Under a nitrogen atmosphere, dissolve 28.5 g of polyethylene glycol methacrylate and 10 g of hexacyano-1,3-butadiene in 100 g of N,N-dimethylformamide to form a solution, and then dissolve the solution Add it into a three-neck flask equipped with a reflux condenser and an electric stirrer, reflux and stir at 110°C for 4 hours, and then precipitate it in n-hexane, filter it, and bake it in a vacuum oven at 70°C for 18 hours to obtain Modified polyethylene glycol meth...

Embodiment 2

[0038] An environmentally friendly water-based paint, made of the following components in parts by weight: 48 parts of modified polyethylene glycol methacrylate film-forming polymers, 23 parts of pyrrolidone ionic copolymers, cellulose acetate leveling agent 2 parts, 12 parts of nano titanium dioxide, 31003 parts of defoamer Deqian, 23 parts of water.

[0039] The preparation method of described modified polyethylene glycol methacrylate film-forming polymer comprises the steps:

[0040] 1) Under a helium atmosphere, dissolve 28.5g of polyethylene glycol methacrylate and 10g of hexacyano-1,3-butadiene in 110g of N-methylpyrrolidone to form a solution, and then add the solution to the container In a three-neck flask with a reflux condenser and an electric stirrer, reflux and stir at 113°C for 4.5 hours, then precipitate in n-hexane, filter and then bake in a vacuum oven at 73°C for 20 hours to obtain the modified polymer Ethylene glycol methacrylate.

[0041] 2) Mix 14.7 g of ...

Embodiment 3

[0046] An environmentally friendly water-based paint, made of the following components in parts by weight: 50 parts of modified polyethylene glycol methacrylate film-forming polymers, 25 parts of pyrrolidone-based ionic copolymers, polyvinyl butyral fluid 3 parts of leveling agent, 13 parts of nano-titanium dioxide, 3 parts of defoamer BYK0888, 25 parts of water.

[0047] The preparation method of described modified polyethylene glycol methacrylate film-forming polymer comprises the steps:

[0048] 1) Under a neon gas atmosphere, dissolve 28.5g of polyethylene glycol methacrylate and 10g of hexacyano-1,3-butadiene in 125g of dimethyl sulfoxide to form a solution, and then add the solution to the In a three-neck flask with a reflux condenser and an electric stirrer, reflux and stir at 116°C for 5 hours, then precipitate in n-hexane, filter and then bake in a vacuum oven at 76°C for 22 hours to obtain modified polyethylene Diol methacrylate;

[0049] 2) Mix 14.7 g of modified ...

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Abstract

The invention provides environment-friendly waterborne coating. The environment-friendly waterborne coating is characterized by being prepared from the components in parts by weight: 45 to 55 parts ofa modified polyethylene glycol methacrylate type film-forming polymer, 20 to 30 parts of a pyrrolidinone type ion co-polymer, 1 to 3 parts of a flatting agent, 10 to 15 parts of nano titanium dioxide, 2 to 5 parts of a de-foaming agent and 20 to 30 parts of water. The invention further discloses a preparation method of the environment-friendly waterborne coating; the preparation method comprisesthe following steps: mixing all the components in percentage by mass in sequence and stirring; raising the temperature to 85 to 90 DEG C under a stirring condition and carrying out heat insulation for1 to 2h; and then filtering, packaging and storing to obtain the environment-friendly waterborne coating. The environment-friendly waterborne coating prepared by the preparation method is more convenient to construct, has better fullness, lower production cost and more excellent comprehensive performance and is more green and environmentally friendly to use.

Description

technical field [0001] The invention relates to the technical field of coatings and preparation methods thereof, in particular to an environmentally friendly water-based coating and a preparation method thereof. Background technique [0002] In recent years, with the rapid development of industry, environmental pollution and energy problems have become increasingly serious, which have become important factors restricting social development. Countries around the world are currently taking strict measures to limit the emission of volatile organic compounds. Green environmental protection materials have entered people's sight and gradually become an indispensable part of people's lives. In order to adapt to this trend, water-based coatings emerged as the times require and have become the mainstream direction of the development of the modern coatings industry. [0003] Water-based coatings use acrylic acid as the main raw material and use water as the dispersion medium and thin...

Claims

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Application Information

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IPC IPC(8): C09D151/08C09D7/61C09D7/63C08F283/06C08F236/04C08F226/06C08F230/08C08F220/60
CPCC08F226/06C08F283/065C08K2003/2241C08K2201/011C08L2205/03C09D151/08C09D7/61C09D7/63C09D7/67C08F236/045C08L43/02C08K3/22C08K5/521C08F230/08C08F220/603
Inventor 不公告发明人
Owner 南雄市恺祁化学工业有限公司
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