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A kind of water-based automotive refinish paint capable of low temperature construction and preparation method thereof

A technology of automotive refinishing paint and refinishing paint, applied in the field of coatings, can solve the problems affecting the promotion and use of water-based automotive refinishing paint, achieve the effect of reducing the film-forming temperature and expanding the geographical range

Inactive Publication Date: 2011-12-14
DONGLAI COATING TECH SHANGHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has seriously affected the promotion and use of water-based automotive refinish paint

Method used

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  • A kind of water-based automotive refinish paint capable of low temperature construction and preparation method thereof
  • A kind of water-based automotive refinish paint capable of low temperature construction and preparation method thereof
  • A kind of water-based automotive refinish paint capable of low temperature construction and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A method for preparing a metal effect repair paint capable of low-temperature application, the method comprising the following process steps:

[0034]

[0035] Mix deionized water, ethylene glycol butyl ether and TEGO Dispers 715W evenly, then add aluminum powder, stir at a speed of 50-100 rpm for 10 minutes to obtain a slurry mixture, soak for 30 minutes to prepare component a.

[0036]

[0037] According to the formula, stir the first 6 components at a stirring speed of 200-400 rpm and stir evenly, and add Viscalex HV 30 in the stirring state to prepare component b.

[0038] Take 25 grams of component a and add it to b at a stirring speed of 50-100 rpm, and stir evenly.

Embodiment 2

[0040] A method for preparing a metal effect repair paint capable of low-temperature application, the method comprising the following process steps:

[0041]

[0042]

[0043] Mix deionized water, ethylene glycol butyl ether and NUOSPERSE FN 365 evenly, then add aluminum powder, stir at a speed of 50-100 rpm for 10 minutes to obtain a slurry mixture, soak for 30 minutes to prepare component a.

[0044]

[0045] According to the formula, stir the first 7 components at a stirring speed of 200-400 rpm and stir evenly, and add Viscalex HV 30 in the stirring state to prepare component b.

[0046] Take 25 grams of component a and add it to b at a stirring speed of 50-100 rpm, and stir evenly.

Embodiment 3

[0048] A method for preparing a metal effect repair paint capable of low-temperature application, the method comprising the following process steps:

[0049]

[0050] Mix deionized water, propylene glycol monomethyl ether and NUOSPERSE W-18 evenly, then add aluminum powder, stir at a speed of 50-100 rpm for 10 minutes to obtain a slurry mixture, soak for 30 minutes to prepare component a.

[0051]

[0052]

[0053] According to the formula, stir the first 7 components at a stirring speed of 200-400 rpm and stir evenly, and add Viscalex HV 30 in the stirring state to prepare component b.

[0054] Take 25 grams of component a and add it to b at a stirring speed of 50-100 rpm, and stir evenly.

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PUM

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Abstract

The invention relates to a water-based auto repair paint capable of low-temperature construction and a preparation method thereof. The repair paint comprises the following components and contents by weight: 50-55 parts by weight of water-based resin, 1.5-2% dispersant, 8-10% cosolvent, and a substrate. Wetting agent 0.1-0.3, bactericidal and mildew-proofing agent 0.1-0.2, thickener 1.8-3.2, aluminum powder 6-10, deionized water 25-40. Compared with the prior art, the present invention has the advantages of low temperature construction, environmental protection and the like.

Description

technical field [0001] The invention relates to a coating, in particular to a water-based automotive repair paint capable of low-temperature application and a preparation method thereof. Background technique [0002] Water-based automotive refinish paint is a substitute for oil-based automotive refinish paint. The organic solvent in the paint is replaced by water, which greatly reduces the pollution to the atmosphere caused by the volatilization of organic solvents during production and construction. Compared with oil-based paints, although water-based paints are more environmentally friendly, there are still some disadvantages in the existing water-based car wash and repair paints. For example, water-based paints usually cannot be normally dried to form a film in an environment below 10°C, or it takes several hours to dry. time to dry completely. The length of time also depends on the ambient humidity. my country has a vast territory, spanning the cold zone, temperate zon...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D5/14C09D7/00
Inventor 朱忠敏赵瑛琛
Owner DONGLAI COATING TECH SHANGHAI
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