Vibration wear-resistant coating and preparation method and spraying process thereof

A wear-resistant paint and primer technology, applied in the field of paint, can solve the problems of paint film peeling performance, instability, poor vibration wear resistance of paint film, etc., to improve vibration wear resistance and durability, simple processing, and low cost Effect

Active Publication Date: 2021-03-23
东莞市贝特利新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the technical problems of poor vibration wear resistance of the paint film and unstable performance such as paint film falling off after a long time of use when the existing paint is sprayed on the frame of the mobile phone (plastic material) or the side key of the mobile phone, the present invention provides a vibration wear-resistant coating

Method used

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  • Vibration wear-resistant coating and preparation method and spraying process thereof
  • Vibration wear-resistant coating and preparation method and spraying process thereof
  • Vibration wear-resistant coating and preparation method and spraying process thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] A preparation method of a special PU type primer for vibration and wear resistance, comprising the following steps:

[0040] Weigh each component according to the weight ratio in Table 1, weigh the solid thermoplastic acrylic resin and 9 / 24 mixed solvent according to the formula, mix and disperse evenly, and obtain the first mixture; mix the hydroxyl acrylic resin, cellulose acetate butyrate and the first The mixture is uniformly dispersed to obtain the second mixture; respectively, the silver powder and the mixed solvent are stirred evenly at a ratio of 1:1, and then soaked for 4 hours to obtain the silver paste of the mixture; under the condition of low-speed stirring, then in the second mixture, add them in sequence according to the mass ratio Adhesion promoter, auxiliary agent, mixed silver paste, mixed solvent, dispersed and stirred evenly. That is, the PU type primer is obtained.

[0041] A spraying process of a special PU type primer for vibration and wear resis...

Embodiment 2

[0044] A preparation method of a special PU type primer for vibration and wear resistance, comprising the following steps:

[0045] Weigh each component according to the weight ratio in Table 1, weigh the solid thermoplastic acrylic resin and 5 / 24 mixed solvent according to the formula, mix and disperse evenly, and obtain the first mixture; mix the hydroxyl acrylic resin, cellulose acetate butyrate and the first The mixture is uniformly dispersed to obtain the second mixture; the nano-color paste and the mixed solvent are stirred evenly at a ratio of 1:1, and filtered through 300 mesh to obtain the mixture nano-color paste; under low-speed stirring conditions, then in the second mixture, by mass Then add adhesion promoter, auxiliary agent, mixture nano-color paste, and mixed solvent in sequence, disperse and stir evenly, and obtain the PU-type primer.

[0046] A spraying process of a special PU type primer for vibration and wear resistance, comprising the following steps:

[...

Embodiment 3

[0049] A preparation method of a special PU type primer for vibration and wear resistance, comprising the following steps:

[0050] Weigh each component according to the weight ratio in Table 1, weigh the solid thermoplastic acrylic resin and solvent according to the formula, mix and disperse evenly, and obtain the first mixture; , to obtain the second mixture; the nano-color paste and the mixed solvent were stirred evenly at a ratio of 2:1, and filtered through 300 mesh to obtain the mixture nano-color paste; under the condition of low-speed stirring, then in the second mixture, respectively added according to the mass ratio Adhesion promoter, auxiliary agent, mixture of nano-color paste, mixed solvent, dispersed and stirred evenly to obtain the PU-type primer.

[0051] A spraying process of a special PU type primer for vibration and wear resistance, comprising the following steps:

[0052] Before spraying, add HDI curing agent and open oil water to the mixed ink according t...

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Abstract

The invention provides a vibration wear-resistant coating and a preparation method and a spraying process thereof. The vibration wear-resistant coating comprises PU type primer and UV photocurable finish coating. The PU type primer is prepared from 40-50 parts of thermoplastic acrylic resin, 10-20 parts of hydroxy acrylic resin, 1-3 parts of cellulose acetate butyrate, 1-2 parts of adhesion promoter, 2-4 parts of auxiliaries, 15-25 parts of pigment filler and 20-30 parts of mixed solvent; and the UV photocurable finish coating comprises the following components in parts by weight: 10-20 partsof high-functionality polyurethane acrylate, 15-25 parts of six-functionality polyurethane acrylate, 15-28 parts of four-functionality polyurethane acrylate, 4-10 parts of two-functionality polyurethane acrylate, 0.5-1 part of a dispersing agent, 0.5-1 part of a leveling agent, 0-10 parts of extinction powder, 0-25 parts of wax liquor, 0-10 parts of a photoinitiator and 20-30 parts of a mixed solvent. When the vibration wear-resistant coating is applied to a mobile phone (plastic material) frame or a mobile phone side key, the vibration wear resistance and durability of the product can be improved, and a coating film can be prevented from falling off after long-time use.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a vibration wear-resistant coating, a preparation method and a spraying process thereof. Background technique [0002] Due to the variety of primer colors for 3C electronic products, such as mobile phone electronics, these primers have a disadvantage, the paint film surface is not wear-resistant, and the chemical resistance is not good. Therefore, a layer of UV topcoat is usually sprayed on this primer to meet the requirements of wear resistance and chemical resistance. However, after a period of time, the ordinary UV coating used may cause the paint film to fall off, the gloss changes greatly, and the vibration Insufficient wear resistance and other disadvantages. It brings major quality problems to the appearance, durability and durability of the product. [0003] With the advent of the 5G era, metal shielding of signals is obvious, and demetallization has become...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/14C09D7/61C09D7/65B05D7/02B05D7/24B05D7/00B05D3/02B05D3/06
CPCC09D133/00C09D175/14C09D7/61C09D7/65B05D7/02B05D7/24B05D7/54B05D3/0263B05D3/065C08L2205/025C08L2205/035C08L2205/03C08K2003/0806C08L33/00C08L1/14C08K3/08C08L75/14C08L23/06
Inventor 刘荣福任磊叶文波汤胜山
Owner 东莞市贝特利新材料有限公司
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