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Baking waterborne varnish and preparation method thereof

A water-based, water-based acrylic technology, applied in coatings, anti-corrosion coatings, etc., can solve problems such as poor wetting, easy sagging, hardness of water-based coatings, imperfect abrasion resistance and water resistance, and achieve low and high baking temperatures. The effect of abrasion resistance

Inactive Publication Date: 2019-03-19
河南永华涂料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the country's heavy blows to control environmental pollution and the awakening of people's awareness of environmental protection, my country's coating industry is rapidly changing to the direction of "oil-to-water". With the strong support and encouragement of the government, the research and development of water-based coating technology and product development With the rapid development, great progress has been made in the technical level, practical application and marketing of water-based coatings, but for now, water-based coatings still have imperfections in hardness, abrasion resistance, water resistance, etc., especially It is a baking-type water-based varnish that has problems such as poor wetting, easy sagging, and strict requirements on construction conditions, so that people are still on the sidelines when choosing coatings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Based on a 100kg product, the selected raw materials include: 35kg of water-based acrylic resin, 17kg of water-based amino resin, 4kg of polyethersulfone resin, 3kg of dimethylethanolamine, 30kg of purified water, 5kg of ethylene glycol butyl ether, and 3kg of diethylene glycol butyl ether. , 2kg of ethanol, 0.2kg of defoamer, 0.4kg of leveling agent, 0.4kg of wetting agent.

[0017] Add the water-based acrylic resin and polyethersulfone resin to the ethylene glycol butyl ether and stir in the container. During the stirring process, add diethylethanolamine to adjust the pH of the solution to keep it at 7.5~8.5. Add the water-based amino resin and diethyl in sequence Glycol butyl ether, ethanol, defoamer, leveling agent and wetting agent are mixed uniformly, and then pure water is added and fully stirred to form the solution to obtain the finished product.

[0018] The finished product is tested and evaluated according to the HG / T 2594-1994 standard for various amino baking e...

Embodiment 2

[0020] Based on 100kg product, the selected raw materials include: water-based acrylic resin 38kg, water-based amino resin 15kg, polyethersulfone resin 3kg, dimethylethanolamine 3kg, purified water 29kg, ethylene glycol butyl ether 5kg, diethylene glycol butyl ether 2kg , 2kg of ethanol, 0.2kg of defoamer, 0.4kg of leveling agent, 0.4kg of wetting agent.

[0021] Add the water-based acrylic resin and polyethersulfone resin to the ethylene glycol butyl ether and stir in the container. During the stirring process, add diethylethanolamine to adjust the pH of the solution to keep it at 7.5~8.5. Add the water-based amino resin and diethyl in sequence Glycol butyl ether, ethanol, defoamer, leveling agent and wetting agent are mixed uniformly, and then pure water is added and fully stirred to form the solution to obtain the finished product.

[0022] The finished product is tested and evaluated according to the HG / T 2594-1994 standard for various amino baking enamels in the chemical indus...

Embodiment 3

[0024] Based on 100kg product, the selected raw materials include: 33kg of water-based acrylic resin, 20kg of water-based amino resin, 5kg of polyethersulfone resin, 3kg of dimethylethanolamine, 27kg of purified water, 5kg of ethylene glycol butyl ether, and 3kg of diethylene glycol butyl ether. , Ethanol 3kg, defoamer 0.2kg, leveling agent 0.4kg, wetting agent 0.4kg.

[0025] Add the water-based acrylic resin and polyethersulfone resin to the ethylene glycol butyl ether and stir in the container. During the stirring process, add diethylethanolamine to adjust the pH of the solution to keep it at 7.5~8.5. Add the water-based amino resin and diethyl in sequence Glycol butyl ether, ethanol, defoamer, leveling agent and wetting agent are mixed uniformly, and then pure water is added and fully stirred to form the solution to obtain the finished product.

[0026] The finished product is tested and evaluated according to the HG / T 2594-1994 standard for various amino baking enamels in the ...

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PUM

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Abstract

The invention provides baking waterborne varnish and a preparation method thereof. The baking waterborne varnish is applied on the surface of metal like tricycles and antitheft doors. The preparationmethod includes: using raw materials: waterborne acrylic resin, waterborne amino resin, polyether sulfone resin, dimethyl ethanolamine, purified water, ethylene glycol butyl ether, diethylene glycol butyl ether, alcohol, defoamer, flatting agent and wetting agent, and sequentially mixing and well stirring the raw materials to obtain the roasted waterborne varnish. The baking waterborne varnish belongs to environment-friendly paint, is convenient to use, supportive of quick spraying and quick in drying; a paint film obtained by spraying is excellent in gloss, high in hardness, wear resistance,compactness, corrosion resistance, adhesiveness and standing stability and remarkable in effect.

Description

Technical field [0001] The invention relates to the technical field of coatings, in particular to a baking type water-based varnish applied to metal surfaces such as tricycles and anti-theft doors and a preparation method thereof. Background technique [0002] In my country’s paint market, traditional volatile organic paints, namely oil-based paints, occupy the main components, accounting for more than 60% of the paint output. In the production and use of oil-based paints, water pollution and air pollution are inevitable. Pollution and solid waste pollution have brought huge damage to our living environment. With the country’s heavy efforts to control environmental pollution and the awakening of people’s environmental protection awareness, China’s coatings industry is rapidly shifting to the "oil-to-water" direction. With the strong support and encouragement of the government, the research and product development of water-based coating technologies have been obtained. With rapid ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D161/20C09D181/06C09D7/65C09D5/08C09D7/20
CPCC08L2205/035C09D5/08C09D7/20C09D7/65C09D133/04C08L61/20C08L81/06
Inventor 刘春广刘森森
Owner 河南永华涂料科技有限公司