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Automobile coating

A technology for coatings and automobiles, applied in the field of coatings, can solve the problems of sticky coating film, limited use of widely used products, and expensive products.

Inactive Publication Date: 2018-01-23
陈瑞琼
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many kinds of acrylic paints for coating in the domestic and foreign markets, and the quality varies, and the excellent products are expensive, which limits their wide use in China.
And when using some acrylic paints for coating, because the primer needs to be cured, when the temperature is too low, the primer is difficult to cure and cross-link, and when the temperature is high, it is found that the coating film is prone to stickiness

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment 1 Adopt the following steps to prepare the automobile paint of the present invention:

[0015] (1) Prepare the raw materials according to the following proportions: 9 parts of methyl methacrylate, 6 parts of glycidyl methacrylate, 0.4 parts of hydroxy acrylate, 0.5 parts of hydroxyethyl methacrylate, 1.0 part of acrylic acid, and 0.06 parts of emulsifier part, 0.05 part of oxidized initiator, 0.001 part of reduced initiator, 0.05 part of defoamer, 5 parts of ammonia water, and 80 parts of deionized water;

[0016] (2) Mix and stir the emulsifier with methyl methacrylate, hydroglycerol methacrylate, hydroxy acrylate, and hydroxyethyl methacrylate for 1.5 hours, and control the stirring speed at 60 rpm to obtain pre-emulsion A;

[0017] (3) the oxidized initiator is dissolved in deionized water to form solution B;

[0018] (4) The reduced initiator is dissolved in deionized water to form solution C;

[0019] (5) Add the pre-emulsion A, solution B and deionize...

Embodiment 2

[0020] Embodiment 2 adopts the following steps to prepare automotive paint of the present invention:

[0021] (1) Prepare the raw materials according to the following proportions: 21 parts of methyl methacrylate, 10 parts of glycidyl methacrylate, 2 parts of hydroxyethyl methacrylate, 2 parts of hydroxyethyl methacrylate, 2.5 parts of acrylic acid, and 2.0 parts of emulsifier part, 0.60 part of oxidized initiator, 0.32 part of reduced initiator, 0.6 part of defoamer, 6 parts of ammonia water, 94 parts of deionized water;

[0022] (2) Mix and stir the emulsifier with methyl methacrylate, hydroglyceryl methacrylate, hydroxy acrylate, and hydroxyethyl methacrylate for 1 hour, and control the stirring speed at 100 rpm to obtain pre-emulsion A;

[0023] (3) the oxidized initiator is dissolved in deionized water to form solution B;

[0024] (4) The reduced initiator is dissolved in deionized water to form solution C;

[0025] (5) Add the pre-emulsion A, solution B and deionized wa...

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PUM

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Abstract

The invention discloses automobile coating. The automobile coating is prepared by, by weight, 9-21 parts of methyl methacrylate, 6-10 parts of glycidyl methacrylate, 0.4-2 parts of hydroxyethyl acrylate, 0.5-2 parts of hydroxyethyl methylacrylate, 1.0-2.5 parts of acrylic acid, 0.06-2.0 parts of emulsifying agent, 0.05-0.60 part of oxidized-form initiator, 0.001-0.32 part of reduced-form initiator, 0.05-0.6 part of defoaming agent, 5-6 parts of ammonia water and 80-94 parts of deionized water. The automobile coating has the advantages that a preparation method of the automobile coating is simple in process, easy to control, stable in polymerization system, low in cost and suitable for industrial production; a prepared emulsion is good in mechanical stability, storage stability, calcium ionstability, universal auxiliary compatibility and the like.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an automotive coating. Background technique [0002] As people pay more and more attention to aesthetic requirements, acrylic coatings are widely used because of their advantages such as high gloss and good printing adaptability. At present, there are many kinds of acrylic paints for coating in the domestic and foreign markets, and the quality varies. The high price of excellent products limits their wide use in China. And when using some acrylic paints for coating, since the primer needs to be cured, when the temperature is too low, the primer is difficult to cure and cross-link, and when the temperature is high, it is found that the coating film is prone to stickiness. Contents of the invention [0003] The present invention aims to provide an automobile coating to solve the above technical problems. [0004] The present invention is realized through the following technical solution...

Claims

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Application Information

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IPC IPC(8): C09D133/12C08F220/14C08F220/32C08F220/20C08F220/06C08F4/40
Inventor 陈瑞琼
Owner 陈瑞琼