Water-based baking coating for anti-theft door as well as preparation method and application thereof

A anti-theft door and coating technology, which is applied in the coating field in the chemical industry, can solve the problems of long drying time, unrealistic effect, poor adhesion, etc., and achieve the effect of smooth appearance and good coating effect

Active Publication Date: 2012-06-13
上海华谊涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the anti-theft door coatings currently used in the market have disadvantages such as poor adhesion, unrealistic effect after painting, and long drying time. At the same time, with the continuous improvement of relevant national system standards and continuous attention to environmental protection, anti-theft door coating The trend of environmental protection is also imperative

Method used

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  • Water-based baking coating for anti-theft door as well as preparation method and application thereof
  • Water-based baking coating for anti-theft door as well as preparation method and application thereof
  • Water-based baking coating for anti-theft door as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Add 124 grams of modified water-soluble polyester resin and 60 grams of special water-soluble acrylic resin into the paint mixing tank, and stir evenly; Polymerized at low temperature, molecular weight 5000-5500; the special water-soluble acrylic resin is polymerized by heating acrylic acid, methyl acrylate and hydroxypropyl acrylate at 140°C, molecular weight is 8000-8500, and 5wt% of resin solids Modified bisphenol A epoxy resin; add 2 grams of dimethylethanolamine, 4 grams of ammonia to adjust the pH value to 8.2, add 3 grams of isopropanol, 40 grams of ethylene glycol butyl ether, 6 grams of ethylene glycol butyl Ether acetate and 2 grams of KC additive solution, 4 grams of BYK-345, 5 grams of BYK-333, after stirring evenly, add 50 grams of 072 amino resin to obtain a baking coating solution, and sample it on the surface of the metal sample for 180 Bake at ℃ for 10 minutes and quickly dry to form a film. After passing the performance test (parameters see Table 2), f...

Embodiment 2

[0040] 159 grams of modified water-soluble polyester resin and 40 grams of special water-soluble acrylic resin are added to the paint mixing tank and stirred evenly; the modified water-soluble polyester resin is composed of pentaerythritol, neopentyl glycol and isophthalic acid. It is polymerized at 160-240°C, with a molecular weight of 5300-5700; the special water-soluble acrylic resin is polymerized by heating acrylic acid, ethyl acrylate, and hydroxypropyl acrylate at 140°C, with a molecular weight of 8500-9000, and the resin The bisphenol A epoxy resin of 8wt% of solid amount is modified; Add 4 gram dimethylethanolamine agents and pH value is adjusted to 8, add 3 gram isopropanols, 20 gram ethylene glycol butyl ethers, 6 gram ethylene glycol Alcohol butyl ether acetate, 2 grams of ethylene glycol phenyl ether, 2 grams of BYK-345, 2 grams of BYK-333, 2 grams of 8991 matting powder, stir well, add 30 grams of 072 amino resin, 30 grams of CYMEL 303LF amino resin, and get Bake...

Embodiment 3

[0043] Example 3 90 grams of modified modified water-soluble polyester resin and 70 grams of special water-soluble acrylic resin are added to the paint mixing tank and stirred evenly; the modified water-soluble polyester resin is composed of pentaerythritol, neopentyl glycol and oxalic acid, Equimolar isophthalic acid is polymerized at 160-240°C, with a molecular weight of 5500-6000; the special water-soluble acrylic resin is made of acrylic acid, methyl acrylate, ethyl acrylate, and hydroxypropyl acrylate heated at 140°C Polymerization, the molecular weight is 8500-9000, and the bisphenol A epoxy resin of 10wt% of resin solids is used for improvement; add 5 grams of dimethylethanolamine, 3 grams of ammonia water to adjust the pH value to 8.5, and add 4 grams of isopropanol , 25 grams of ethylene glycol butyl ether, 3 grams of ethylene glycol butyl ether acetate, 5 grams of ethylene glycol phenyl ether and 3 grams of KC additive solution, 4 grams of BYK-345, 4 grams of BY...

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Abstract

The invention discloses a water-based baking coating for an anti-theft door as well as a preparation method and application thereof. The baking coating comprises the following components in percentage by weight: 30-60% of modified water-soluble polyester resin, 5-30% of special water-soluble acrylic resin, 1-5% of pH regulating aid, 10-30% of amino resin, 1-5% of mixing aid and 10-20% of mixed solvent. The coating disclosed by the invention meets the functional requirements on suitability to the anti-theft door and environment friendliness by crosslinking the modified water-soluble polyester resin, the modified water-soluble acrylic resin and the amino resin and matching with the mixing aid. After the coating is applied to the anti-theft door, the coating effect is good, the appearance is neat and smooth and a vivid effect is achieved; and by the adoption of a spray coating process, the coating is suitable for being applied to various anti-theft doors in various environments under various construction conditions during construction.

Description

technical field [0001] The present invention relates to the paint industry in the field of chemical industry, in particular, to a water-based paint that meets environmental protection requirements, and more specifically, to a water-based, environmentally-friendly baking paint for decorating anti-theft doors and its preparation method and application. Background technique [0002] With the continuous improvement of people's living standards in our country, the rapid improvement of people's living conditions has led to the rapid development of the anti-theft door manufacturing industry. Anti-theft door products have gradually formed serialization according to the characteristics of structure and price. With the continuous development of independent research and development of my country's anti-theft door manufacturers and the continuous investment in research and development costs, at present, my country's anti-theft door manufacturing industry has produced a variety of variet...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/00C09D167/02C09D133/00C09D161/32C09D7/14B05D1/02B05D3/02B05D7/26C09D7/80
Inventor 匡文君张盛张伟王映冰
Owner 上海华谊涂料有限公司
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