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Water-based high temperature plain colored paint capable of being used for wet-on-wet middle-coating-free system and preparation method thereof

A wet-on-wet, system technology, used in coatings, fire-retardant coatings, polyurea/polyurethane coatings, etc., can solve the problem of poor weather resistance, stone chip resistance, and poor stone chip resistance and weather resistance. and other problems, to achieve excellent physical and mechanical properties, reduce labor and operating costs, and improve cross-linking density.

Active Publication Date: 2018-09-04
GUANGDONG YATU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its weather resistance and stone impact resistance need to be further improved
[0004] At present, the existing water-based high-temperature plain paints that can be used in wet-on-wet primer-free systems have problems such as poor stone chip resistance and weather resistance. Therefore, it is necessary to develop a kind of paint with good stone chip resistance Water-based high-temperature plain paint that can be used for wet-on-wet primer-free systems with properties such as weather resistance

Method used

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  • Water-based high temperature plain colored paint capable of being used for wet-on-wet middle-coating-free system and preparation method thereof
  • Water-based high temperature plain colored paint capable of being used for wet-on-wet middle-coating-free system and preparation method thereof
  • Water-based high temperature plain colored paint capable of being used for wet-on-wet middle-coating-free system and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, a kind of water-based high-temperature plain paint that can be used for wet-on-wet free intermediate coating system

[0040] The water-based high-temperature plain paint that can be used in the wet-on-wet primer-free system includes A component and B component, wherein the A component is composed of the following components and their weight percentages: water-based acrylic polyol dispersion 14%, water-based polyurethane dispersion 20%, ultra-fine talc powder 3%, ultra-fine barium sulfate 10%, aluminum tripolyphosphate 5%, titanium dioxide 15%, carbon black 0.5%, water-based dispersant 5%, methyl etherification Amino resin 3%, pure water 24.5%; The water-based dispersant is made up of polyvinylpyrrolidone, sodium lignosulfonate and Digao Dispers 755W dispersant in a weight ratio of 2:9:22;

[0041] The B component is composed of the following components and their weight percentages: 10% of water-based acrylic polyol dispersion, 20% of water-based polyuretha...

Embodiment 2

[0055] Embodiment 2, a kind of water-based high-temperature plain paint that can be used for wet-on-wet free intermediate coating system

[0056] The water-based high-temperature plain paint that can be used in the wet-on-wet primer-free system includes A component and B component, wherein the A component is composed of the following components and their weight percentages: water-based acrylic polyol dispersion 20%, water-based polyurethane dispersion 10%, ultra-fine talc powder 10%, ultra-fine barium sulfate 3%, aluminum tripolyphosphate 4.8%, titanium dioxide 25%, carbon black 0.2%, water-based dispersant 2%, methyl etherification Amino resin 5%, pure water 20%; The water-based dispersant is made up of polyvinylpyrrolidone, sodium lignosulfonate and Digao Dispers 755W dispersant in a weight ratio of 5:7:18;

[0057] The B component is composed of the following components and their weight percentages: 20% of water-based acrylic polyol dispersion, 12% of water-based polyuretha...

Embodiment 3

[0069] Embodiment 3, a kind of water-based high-temperature plain paint that can be used for wet-on-wet free intermediate coating system

[0070] The water-based high-temperature plain paint that can be used in the wet-on-wet primer-free system includes A component and B component, wherein the A component is composed of the following components and their weight percentages: water-based acrylic polyol dispersion 20%, water-based polyurethane dispersion 15%, ultra-fine talc powder 5%, ultra-fine barium sulfate 4%, aluminum tripolyphosphate 3%, titanium dioxide 22%, carbon black 0.2%, water-based dispersant 2%, methyl etherification Amino resin 4%, pure water 24.8%; The water-based dispersant is made up of polyvinylpyrrolidone, sodium lignosulfonate and Digao Dispers 755W dispersant in a weight ratio of 3:8:20;

[0071] The B component is composed of the following components and their weight percentages: 15% of water-based acrylic polyol dispersion, 20% of water-based polyurethan...

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Abstract

The invention belongs to the technical field of automobile coating and specially relates to water-based high temperature plain colored paint capable of being used for a wet-on-wet middle-coating-freesystem and a preparation method thereof. The water-based high temperature plain colored paint capable of being used for the wet-on-wet middle-coating-free system includes an A component and a B component, wherein the A component includes aqueous acrylic acid polyol dispersion, aqueous polyurethane dispersion, ultrafine talc powder, ultrafine barium sulfate, aluminum triphosphate, titanium dioxide,carbon black, an aqueous dispersant, methylated amino resin and pure water; and the B component includes the aqueous acrylic acid polyol dispersion, the aqueous polyurethane dispersion, an amine neutralizer, ethylene glycol butyl ether, titanium dioxide, a dispersant, methylated amino resin, a thickening agent and pure water. The water-based high temperature plain colored paint capable of being used for the wet-on-wet middle-coating-free system has excellent properties, strong paint film adhesion, high paint film hardness, and good water resistance, acid resistance, alkali resistance, weatherresistance and stone-chipping resistance, and environmental protection.

Description

technical field [0001] The invention belongs to the technical field of automobile coatings, and in particular relates to a water-based high-temperature plain paint which can be used in wet-on-wet intermediate coating-free systems and a preparation method thereof. Background technique [0002] In recent years, energy saving and environmental protection have become the theme of world development. Automobile manufacturers all over the world have invested a lot of money in research in this area, continuously improving process equipment and improving process level. Automobile painting is one of the main processes of automobile manufacturing, and its energy consumption accounts for about 60% of the total energy consumption of the automobile manufacturing process. In order to meet the requirements of the era of clean production, environmental protection, high quality, and low cost in the automotive industry, and to meet the national development goals of a "resource-saving and envir...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/08C09D7/61C09D7/65C08G18/42C08G18/48C08G18/66C08G18/72C08G18/75C08G18/76C08G18/32C08G18/34
CPCC08G18/0823C08G18/3206C08G18/348C08G18/4018C08G18/4277C08G18/48C08G18/6611C08G18/724C08G18/755C08G18/7614C08K2003/2241C08K2003/3045C08K2003/327C08L2205/025C08L2205/035C09D5/18C09D133/00C09D175/08C08L33/00C08L75/08C08L61/32C08K3/00C08K3/22C08K3/34C08K3/30C08K3/32C08K3/04
Inventor 冯兆华李海华李柏文李守康方律
Owner GUANGDONG YATU CHEM
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