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High-recoating-tolerance waterborne coating

A water-based coating, heavy-duty technology, applied in antifouling/underwater coatings, polyester coatings, coatings, etc., can solve the problems of operators suffering from leukemia, flammable and explosive solvents, environmental pollution, etc., and achieve good recoatability , the effect of low VOC content and low VOC emissions

Inactive Publication Date: 2016-08-24
ZHANGZHOU XIN ZHAN WANG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

my country is also a big country in bicycle painting. Based on the current solvent-based bicycle paint, the annual emission of volatile organic compounds into the atmosphere can reach 10,000 tons, causing serious pollution to the environment. In addition, during the use of solvent-based paint , It will also cause serious harm to the health of front-line employees. For example, benzene solvents can easily cause malignant diseases such as leukemia and cancer, which will bring great pain to employees.
Moreover, solvents are flammable and explosive, and most of the bicycle coatings are electrostatic coatings (manually spraying dead spots), leaking static electricity and easily detonating the solvents in the spraying room, causing fire or explosion, and causing production accidents

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A water-based coating with high recoating resistance, which is composed of the following raw materials in parts by weight: 50 parts of polyester resin, 10 parts of amino resin, 3 parts of organic silicon, 3 parts of yellow gardenia juice, 5 parts of orange oil, 4 parts of wormwood powder, neem 2 parts of tree oil, 2 parts of defoamer, 2 parts of wetting agent, 15 parts of pigment, 45 parts of deionized water.

[0017] A preparation method of a high recoating-resistant water-based paint, comprising: mixing polyester resin, amino resin, and silicone, adding pigments, stirring and reacting for 2 hours, then adding other remaining ingredients, continuing stirring and reacting for 2 hours, and the product is obtained.

Embodiment 2

[0019] A water-based paint with high recoating resistance, which is composed of the following raw materials in parts by weight: 40 parts of polyester resin, 5 parts of amino resin, 1 part of organic silicon, 1 part of yellow gardenia juice, 2 parts of orange oil, 2 parts of wormwood powder, neem 1 part tree oil, 1 part defoamer, 1 part wetting agent, 10 parts pigment, 30 parts deionized water.

[0020] A preparation method of a high recoating-resistant water-based paint, comprising: mixing polyester resin, amino resin, and silicone, adding pigment, stirring and reacting for 1 hour, then adding other remaining ingredients, continuing stirring and reacting for 3 hours, and the product is obtained.

Embodiment 3

[0022] A water-based coating with high recoating resistance, which is composed of the following raw materials in parts by weight: 55 parts of polyester resin, 15 parts of amino resin, 5 parts of organic silicon, 5 parts of yellow gardenia juice, 6 parts of orange oil, 6 parts of wormwood powder, neem 4 parts of tree oil, 3 parts of defoamer, 3 parts of wetting agent, 20 parts of pigment, 45 parts of deionized water.

[0023] A preparation method of high recoating-resistant water-based paint: mix polyester resin, amino resin, and silicone, add pigment, stir and react for 2 hours, then add other remaining ingredients, continue stirring and reacting for 3 hours to obtain the product.

[0024] The coating obtained in Examples 1-3 is used, and the test proves that the coating prepared by the present invention is non-toxic and tasteless, safe to use, and has no harm to the human body, and can reach six times of spraying and six times of baking, so that the coating itself is effective...

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PUM

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Abstract

The invention relates to high-recoating-tolerance waterborne coating, made from the following materials according to parts by weight: 40-55 parts of polyester resin, 5-15 parts of amino resin, 1-5 parts of organosilicon, 1-5 parts of yellow gardenia fruit juice, 2-6 parts of orange peel oil, 2-6 parts of Artemisia argyi powder, 1-4 parts of neem oil, 1-3 parts of a defoaming agent, 1-3 parts of a pigment, and 30-45 parts of deionized water. An organosilicon intermediate is first reacted with organic polyol and then organic polyacid to form a special monomer capable of polycondensation with waterborne polyester resin; this special monomer reacts with the waterborne polyester resin (containing hydroxyl-OH). The high-recoating-tolerance waterborne coating is available for spraying six times and baking six times and has good adhesion.

Description

technical field [0001] The invention relates to a high recoating-resistant water-based paint, which belongs to the field of paint. Background technique [0002] my country is already the world's largest bicycle production country, with an annual output of up to 100 million; bicycles, electric vehicles and other transportation vehicles need to be cleaned for stains on the surface to keep them clean after being used for a period of time. It is beautiful, but every cleaning will cause a certain degree of damage to the paint film, especially for some oil stains that are difficult to clean and need cleaning agents to clean. With the accumulation of cleaning times, it is easy to shorten the service life of the vehicle. Moreover, in recent years, as the air quality has become worse and worse, and there are even extreme weather such as acid rain, smog, and sandstorms, the corrosion of the car body itself has occurred. Make the problem of damage to the paint film more obvious. my ...

Claims

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Application Information

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IPC IPC(8): C09D167/00C09D161/20C09D5/14
CPCC09D167/00C08L2205/025C08L2205/035C09D5/14C08L61/20C08L91/00C08K5/0058
Inventor 张信露谢平展
Owner ZHANGZHOU XIN ZHAN WANG CHEM IND