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Water-based metal priming paint for vehicles

A water-based, base color technology, applied in the field of paint and coatings, can solve the problems of water-based car paint, such as insufficient resistance, mechanical properties, hardness, toughness and weak adhesion, and achieve excellent water resistance, good MEK wiping resistance, and simple operation steps.

Active Publication Date: 2021-03-16
GUANGDONG YATU CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the lack of essential oil components, water-based car paints generally have the characteristics of insufficient resistance, and their mechanical properties such as hardness, toughness and adhesion are also weaker than oil-based car paints

Method used

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  • Water-based metal priming paint for vehicles
  • Water-based metal priming paint for vehicles

Examples

Experimental program
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Effect test

Embodiment 1

[0030] An embodiment of the water-based metal base paint for vehicles of the present invention, the water-based metal base paint for vehicles comprises A component and B component, and the mass ratio of the A component and the B component is 100 : 25; the A component includes the following components by weight: 13 parts of water-based acrylic dispersions, 21 parts of water-based acrylic polyurethane dispersions, 8 parts of water-based polyurethane dispersions, 4 parts of ethylene glycol butyl ether, 1 part of two Propylene glycol butyl ether, 0.5 parts of wetting agent, 0.2 parts of leveling agent, 5 parts of water-based orientation agent, 6 parts of water-based silver paste, 7 parts of water-based color paste, 32.6 parts of deionized water, 0.2 parts of defoamer and 1.5 parts of rheology The wetting agent is TEGO-500; the leveling agent is EFKA-3777; the water-based directional agent is BYK-8421; the water-based color paste is WLG-8000; the defoamer is a silicone defoamer; the...

Embodiment 2

[0037] An embodiment of the water-based metal base paint for vehicles of the present invention, the water-based metal base paint for vehicles comprises A component and B component, and the mass ratio of the A component and the B component is 100 : 25; the A component includes the following components by weight: 5 parts of water-based acrylic dispersions, 25 parts of water-based acrylic polyurethane dispersions, 15 parts of water-based polyurethane dispersions, 2 parts of ethylene glycol butyl ether, 4 parts of two Propylene glycol butyl ether, 1 part wetting agent, 1 part leveling agent, 2 parts water-based directional agent, 8 parts water-based silver paste, 2 parts water-based color paste, 33.5 parts deionized water, 1 part defoamer and 0.5 part rheology agent; the wetting agent is BYK-800; the leveling agent is TEGO-240; the water-based directional agent is BYK-8421; the water-based color paste is WLG-8000; the defoamer is a water-based organic polymer defoamer; The defoame...

Embodiment 3

[0040]An embodiment of the water-based metal base paint for vehicles of the present invention, the water-based metal base paint for vehicles comprises A component and B component, and the mass ratio of the A component and the B component is 100 : 25; the A component includes the following components by weight: 20 parts of water-based acrylic dispersions, 10 parts of water-based acrylic polyurethane dispersions, 5 parts of water-based polyurethane dispersions, 5 parts of ethylene glycol butyl ether, 3 parts of di Propylene glycol butyl ether, 0.1 parts of wetting agent, 0.5 parts of leveling agent, 7 parts of water-based directional agent, 2 parts of water-based silver paste, 6 parts of water-based color paste, 40 parts of deionized water, 0.2 parts of defoamer and 1.2 parts of rheology agent; the wetting agent is BYK-800; the leveling agent is EFKA-3777; the water-based directional agent is BYK-8421; the water-based colorant is WLG-8000; the defoamer is a silicone defoamer; the...

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Abstract

The invention discloses a water-based metal priming paint for vehicles, and belongs to the technical field of paint coatings. According to the water-based metal priming paint for the vehicle, a water-based acrylic dispersion, a water-based acrylic polyurethane dispersion and a water-based polyurethane dispersion are compounded in proportion, so that the obtained product is more environment-friendly than traditional oil-based vehicle paint, and meanwhile, the defects that the water-based vehicle paint is low in resistance and paint is easy to fall off are overcome; when the product is used forspraying paint on vehicles, a paint film connection port is smooth in transition, silver powder is arranged well, and the interlayer adhesive force is excellent; the paint has the advantages of favorable water resistance, favorable high-temperature resistance, favorable weather resistance, favorable acid resistance, favorable alkali resistance, favorable gasoline resistance, favorable engine oil resistance, high hardness, and high toughness and favorable MEK wiping resistance, and is suitable for large vehicles such as coaches, refitted vehicles, rail transit vehicle bodies and the like. The invention also discloses a preparation method of the water-based metal base color paint for vehicles, and the preparation method is environment-friendly and economic, has simple operation steps, and can be used for industrial large-scale production.

Description

technical field [0001] The invention relates to the technical field of paints and coatings, in particular to a water-based metal base paint for vehicles. Background technique [0002] As people have higher and higher requirements for the toxicity and environmental protection of various commonly used car paints, compared with traditional oil-based car paints, water-based car paints are widely promoted because of their technical effects of protecting the environment, reducing haze and anti-pollution. The spraying efficiency of the existing water-based paint has jumped to over 79%, and the market prospect is bright. However, due to the lack of essential oil components, water-based car paints generally have the characteristics of insufficient tolerance, and their mechanical properties such as hardness, toughness and adhesion are also weaker than oil-based car paints. Contents of the invention [0003] Based on the deficiencies of the prior art, the object of the present inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D175/04C09D133/04C09D7/65C09D5/00
CPCC09D175/14C09D7/65C09D5/002C09D133/04C08L2205/035C08L2205/02C08L2201/08C08L75/04C08L33/04C08L75/14
Inventor 冯兆均江瀚陈忠黄劼施沃成
Owner GUANGDONG YATU CHEM
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