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Water-based high-performance coating for plastic cement

A high-performance, water-based technology, applied in the field of coatings, can solve the problems of limited application and poor solvent resistance, and achieve the effect of smooth hand feeling, good water resistance and fine surface effect

Inactive Publication Date: 2020-02-28
SHENZHEN GOVE CHEM & MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some performance weaknesses of water-based coatings (such as poor chemical resistance and solvent resistance) limit its application on plastics.

Method used

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  • Water-based high-performance coating for plastic cement
  • Water-based high-performance coating for plastic cement
  • Water-based high-performance coating for plastic cement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Prepare according to the following components: Component A: 43-50 parts of water-based silicon-modified hydroxyacrylic resin; 25-28 parts of water-based fluorine-modified polyurethane; 3-10 parts of film-forming aid; 0.2-0.5 parts of water-based leveling agent ; 0.1-0.3 parts of water-based defoamer; 0.1-0.3 parts of water-based dispersant; 0-5 parts of matting powder; 5-20 parts of water-based color paste; 5-25 parts of deionized water;

[0025] Component B: 10-18 parts of water dispersible isocyanate curing agent

[0026] Component C: 10-18 parts of deionized water.

[0027] A method for preparing a water-based high-performance paint for plastics, comprising the following steps:

[0028] a) Add water-based silicon-modified hydroxyacrylic resin, water-based fluorine-modified polyurethane, film-forming aid, water-based leveling agent, water-based defoamer, and water-based dispersant to the test tank in sequence according to the amount of the formula, at a speed of 600 ...

Embodiment 2

[0033] Prepare according to the following components: Component A: 20-22 parts of water-based silicon-modified hydroxyacrylic resin; 45-50 parts of water-based fluorine-modified polyurethane; 3-10 parts of film-forming aid; 0.2-0.5 parts of water-based leveling agent ; 0.1-0.3 parts of water-based defoamer; 0.1-0.3 parts of water-based dispersant; 0-5 parts of matting powder; 5-20 parts of water-based color paste; 5-25 parts of deionized water;

[0034] Component B: 10-18 parts of water dispersible isocyanate curing agent

[0035] Component C: 10-18 parts of deionized water.

[0036] A method for preparing a water-based high-performance paint for plastics, comprising the following steps:

[0037] a) Add water-based silicon-modified hydroxyacrylic resin, water-based fluorine-modified polyurethane, film-forming aid, water-based leveling agent, water-based defoamer, and water-based dispersant to the test tank in sequence according to the amount of the formula, at a speed of 600 ...

Embodiment 3

[0042] Prepare according to the following components: Component A: 30-35 parts of water-based silicon-modified hydroxyacrylic resin; 30-35 parts of water-based fluorine-modified polyurethane; 3-10 parts of film-forming aid; 0.2-0.5 parts of water-based leveling agent ; 0.1-0.3 parts of water-based defoamer; 0.1-0.3 parts of water-based dispersant; 0-5 parts of matting powder; 5-20 parts of water-based color paste; 5-25 parts of deionized water;

[0043] Component B: 10-18 parts of water dispersible isocyanate curing agent

[0044] Component C: 10-18 parts of deionized water.

[0045] A method for preparing a water-based high-performance paint for plastics, comprising the following steps:

[0046]a) Add water-based silicon-modified hydroxyacrylic resin, water-based fluorine-modified polyurethane, film-forming aid, water-based leveling agent, water-based defoamer, and water-based dispersant to the test tank in sequence according to the amount of the formula, at a speed of 600 ...

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Abstract

The invention belongs to the technical field of coatings, and discloses a water-based high-performance coating for plastic cement. The water-based high-performance coating comprises the following components: 10-50 parts of a special water-based acrylic resin; 10 to 50 parts of a special waterborne polyurethane; 1-20 parts of a coalescing agent; 0.2 to 1 part of water-based leveling agent; 0.1 to 1part of a water-based defoaming agent; 0.1-1 part of an aqueous dispersant; 0-8 parts of a matting powder; 1-30 parts of a water-based color paste; 1 to 25 parts of deionized water; and 5-20 parts ofa curing agent. The water-based high-performance coating for plastic cement provided by the invention can overcome the defect of insufficient chemical resistance of a water-based coating system, andcan meet the requirements of a series of products with relatively high chemical resistance requirements on the market.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a water-based high-performance coating for plastics. Background technique [0002] Plastic products have been widely used in 3C electronic digital communications, home appliances, automobiles, building materials, office equipment and medical equipment, and are indispensable and important materials for national economy and national defense construction. However, in addition to the unsatisfactory properties of plastics such as UV resistance, various surface defects often occur after processing and molding. Therefore, the plastic surface needs to be coated with paint to achieve decorative effects, color requirements, improve corrosion resistance, weather resistance, water resistance, hardness, etc., thereby increasing the service life. [0003] At present, on the one hand, water-based paints are mainly used for metal paints, wall paints and wood paints. On the other hand, the pain...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/04C09D175/04C09D7/63C09D7/65C09D7/20
CPCC08L2205/035C09D133/04C09D175/04C09D7/20C09D7/63C09D7/65C08L75/04C08K5/29C08L33/04
Inventor 张华超熊祯祥
Owner SHENZHEN GOVE CHEM & MATERIAL
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