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Water-based matte coating for automotive interiors and preparation method and application of water-based matte coating

A water-based technology for automotive interiors, applied in polyester coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of easy formation of orange peel, intolerance to moisturizers, peeling, etc., and improve physical and mechanical properties , Improve adhesion, high fullness effect

Pending Publication Date: 2020-08-07
长沙松润新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the object of the present invention is to provide a kind of water-based matte coating for automotive interior decoration and its preparation method, application, to solve the problem that existing coatings are not resistant to moisturizer, easily form orange peel, bulge, Technical problems of blistering or even peeling

Method used

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  • Water-based matte coating for automotive interiors and preparation method and application of water-based matte coating
  • Water-based matte coating for automotive interiors and preparation method and application of water-based matte coating
  • Water-based matte coating for automotive interiors and preparation method and application of water-based matte coating

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preparation example Construction

[0070] On the other hand, the embodiment of the present invention provides the preparation method of the water-based matte coating for automotive interior, comprising the following steps:

[0071] S01, prepare raw materials according to the components and content thereof contained in the water-based matte coating for automotive interiors described in the above examples:

[0072] S02, mixing the hydroxyl-containing water-based resin, deionized water, wetting and dispersing agent, and the first co-solvent to configure the first mixed solution;

[0073] S03, adding matting powder to the first mixed liquid, and configuring the second mixed liquid after mixing;

[0074] S04, adding defoamer, leveling agent, and substrate wetting agent to the second mixed solution, adding a pH regulator after mixing treatment to adjust the pH value of the second mixed solution to 7.5-8.5, and adjusting the pH value Finally, add water-based color paste and thickener to configure topcoat components; ...

Embodiment 1

[0108] In Embodiment 1, Embodiment 6, Embodiment 7 and Embodiment 8, the addition of water-based color paste is 2 parts by weight, and the weight and amount of color paste can be replaced according to different color requirements to obtain colorful automotive interiors for use in automobile interiors. Decorative water-based matte paint.

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Abstract

The invention discloses a water-based matte coating for automotive interiors. The water-based matte coating comprises a finish paint component and a curing agent component in a mass ratio of 100: (10-20). The finish paint component comprises the following components in parts by weight: 20-40 parts of hydroxyl-containing water-based resin, 0.2-2 parts of a wetting dispersant, 10-20 parts of a firstcosolvent, 0.1-1 part of an antifoaming agent, 0.1-1 part of a leveling agent, 0.1-1 part of a base material wetting agent, 0.2-3 parts of a thickener, 3-8 parts of extinction powder, 2-5 parts of water-based color paste, 0.1-1 part of a pH value regulator and 10-25 parts of deionized water. The curing agent component comprises the following components in parts by weight: 60-100 parts of isocyanate and 0-40 parts of a second cosolvent. The water-based matte coating for the automotive interiors is relatively good in tolerance to moisturizers.

Description

technical field [0001] The invention belongs to the technical field of coatings, and in particular relates to a water-based matte coating for automobile interior decoration, a preparation method and application thereof. Background technique [0002] Automotive interior parts are mainly made of plastics such as PP, PE, ABS, PC and ABS / PC; due to the shortcomings of such plastics, such as poor weather resistance and non-wear resistance, and easy to form injection lines during the plastic molding process, the surface is uneven Such shortcomings seriously affect the beauty of the car interior; in order to solve these shortcomings and improve the texture of the car interior, most of the interior parts need to be sprayed with paint. [0003] The cosmetics applied by car users often remain on the interior parts of the car. In the closed high-temperature environment of the car, the residual cosmetics are very corrosive to the interior coating, and it is easy to cause the coating to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D167/06C09D7/63B05D7/24
CPCC09D175/04C09D167/06C09D7/63B05D7/24
Inventor 鲁立军彭贵文
Owner 长沙松润新材料有限公司
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