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Single-component water-based automobile chassis paint as well as preparation method and use method thereof

A car chassis, one-component technology, applied in coatings, polyester coatings, anti-corrosion coatings, etc., can solve the problem of low content of volatile organic compounds, and achieve the effects of improved salt spray resistance, good flexibility, and simple operation steps

Active Publication Date: 2022-07-29
GUANGDONG YATU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the above disclosed automotive primers are all environmentally friendly water-based paints, have low volatile organic content and simple preparation methods, their weather resistance, corrosion resistance, acid and alkali resistance, and adhesion performance need to be further improved.

Method used

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  • Single-component water-based automobile chassis paint as well as preparation method and use method thereof
  • Single-component water-based automobile chassis paint as well as preparation method and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~5

[0031] Embodiment 1~5 One-component water-based automobile chassis paint of the present invention and its preparation method and using method

[0032] As shown in Table 1 below, the weight ratio table of 5 examples of the one-component waterborne automobile chassis paint of the present invention is listed.

[0033] Table 1

[0034] Components (in kg) Example 1 Example 2 Example 3 Example 4 Example 5 Waterborne epoxy ester dispersion resin 30 45 45 48 50 Ethylene glycol butyl ether 1 3 3 6 8 Dispersant (BYK-190) 0.5 3 1.5 4 5 Defoamer (DIGO TEGO 901W) 0.1 0.6 0.3 0.7 1 Wetting agent (TEGO 254) 0.1 0.5 0.3 0.8 1 Anti-flash rust agent (Hemmings Dechen FA179) 0.1 0.6 0.5 0.8 1 adhesion promoter 0.5 1.3 1.2 1.4 1.5 Modified zinc phosphate pigment (Guangxi Xinjing) 5 11 8 13 15 Ultrafine calcium phosphate antirust pigment (Qingdao Polydo) 1 3 1.5 4 5 Superfine talcum powder...

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Abstract

The invention belongs to the technical field of coating production, and particularly relates to single-component water-based automobile chassis paint. The water-based automobile chassis paint provided by the invention is prepared from 30 to 50 parts of water-based epoxy ester dispersion resin, 5 to 15 parts of deionized water, 1 to 8 parts of butyl cellosolve, 0.5 to 5 parts of dispersing agent, 0.1 to 1 part of defoaming agent, 0.1 to 1 part of wetting agent, 0.1 to 1 part of flash rust inhibitor, 0.5 to 1.5 parts of adhesion promoter, 5 to 15 parts of modified zinc phosphate pigment, 1 to 5 parts of superfine calcium phosphate antirust pigment, 1 to 10 parts of superfine talcum powder, 5 to 18 parts of superfine barium sulfate and 0.1 to 1 part of fumed silica. 0.8-5 parts of carbon black and 0.1-1 part of iron oxide yellow. The water-based automobile chassis paint provided by the invention has high resistance, salt mist resistance of 420 hours or more, excellent adhesive force and chemical resistance to various metals, good flexibility and good impact resistance.

Description

technical field [0001] The invention belongs to the technical field of paint production, and in particular relates to a one-component water-based vehicle chassis paint and a preparation method and a use method thereof. Background technique [0002] With the development of my country's automobile industry, the requirements for paints for automobile chassis are also getting higher and higher. However, at present, my country's automobile coatings are still mainly solvent-based, and a large number of volatile organic compounds (VOCs) are harmful to the ecological environment during the coating process. Caused serious pollution, but also brought great harm to human health. With the improvement of people's awareness of environmental protection, governments around the world have issued a large number of relevant regulations to limit the emission of VOCs. In order to conform to the development of the times, automotive coatings are changing to an environment-friendly direction. Among...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D151/08C09D167/06C09D7/65C09D5/08C09D7/20C08F283/10C08F220/14C08F220/28C08F212/08C08F220/18C08G63/695
CPCC09D151/08C09D7/65C09D5/084C09D7/20C08F283/10C08G63/6958C08K2003/325C08K2003/328C08F220/14C08F220/283C08F212/08C08F220/1804C08L67/06C08K3/32C08K9/00
Inventor 冯兆均江瀚施沃成严明辉伍祺卓
Owner GUANGDONG YATU CHEM
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