Water-based intermediate paint and preparation method thereof

A kind of intermediate paint, water-based technology, applied in the field of coatings, can solve the problems of abrasion resistance, impact resistance, flexibility, adhesion and anti-sag performance, etc., achieve good anti-sag performance, good stability, and increase hardness and the effect of abrasion resistance

Inactive Publication Date: 2019-11-22
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the problems of poor sanding resistance, impact resistance, flexibility, adhesion and anti-sag performance of existing water-based intermediate paints, the present invention provides a water-based intermediate paint and a preparation method thereof

Method used

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  • Water-based intermediate paint and preparation method thereof
  • Water-based intermediate paint and preparation method thereof
  • Water-based intermediate paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] A water-based intermediate paint, comprising A component and B component;

[0034] Described A component comprises the component of following mass percentage:

[0035] raw material content(%) Waterborne Hydroxy Acrylic Emulsion 25 Nano alumina 5 talcum powder 20 Barium sulfate 20 Titanium dioxide 10 Graphene oxide 0.2 Lithium magnesium silicate 0.1 Dimethylethanolamine 0.1 Defoamer 0.1 Coalescent 2 Dispersant 0.3 Substrate wetting agent 0.3 thickener 0.5 Deionized water 16.4

[0036] Described B component comprises the component of following mass percentage:

[0037] raw material content(%) Hydrophilic modified aliphatic polyisocyanate 60 Propylene glycol methyl ether acetate 40

[0038] The mass ratio of component A to component B in the water-based intermediate paint is 4:1.

[0039] Among them, the water-based hydroxyacrylic acid emulsion is...

Embodiment 2

[0046] A water-based intermediate paint, comprising A component and B component;

[0047] Described A component comprises the component of following mass percentage:

[0048] raw material content(%) Waterborne Hydroxy Acrylic Emulsion 50 Nano alumina 1 talcum powder 5 Barium sulfate 5 Titanium dioxide 25 Graphene oxide 1 Lithium magnesium silicate 0.5 Dimethylethanolamine 0.2 Defoamer 0.2 Coalescent 5 Dispersant 0.5 Substrate wetting agent 0.6 thickener 1 Deionized water 5

[0049] Described B component comprises the component of following mass percentage:

[0050] raw material content(%) Hydrophilic modified aliphatic polyisocyanate 80 Propylene glycol methyl ether acetate 20

[0051] The mass ratio of component A to component B in the water-based intermediate paint is 4:1.

[0052] Among them, the water-based hydroxyacrylic acid emulsion is Bayhydro...

Embodiment 3

[0059] A water-based intermediate paint, comprising A component and B component;

[0060] Described A component comprises the component of following mass percentage:

[0061]

[0062]

[0063] Described B component comprises the component of following mass percentage:

[0064] raw material content(%) Hydrophilic modified aliphatic polyisocyanate 70 Propylene glycol methyl ether acetate 30

[0065] The mass ratio of component A to component B in the water-based intermediate paint is 5:1.

[0066] Wherein, the water-based hydroxyacrylic acid emulsion selects Bayhydrol A 2695 of Bayer; the particle diameter of talcum powder is 1250 mesh; the particle diameter of barium sulfate is 1500 mesh; Foaming agent (941PL from MOUSSEX company) and silicone defoamer (BYK-028 from BAK company); film-forming aid is composed of dipropylene glycol methyl ether and alcohol ester-12 with a mass ratio of 1:2; dispersion TEGO dispersers 760W is selected as the age...

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Abstract

The invention relates to the technical field of coatings, and particularly discloses a water-based intermediate paint and a preparation method thereof, the water-based intermediate paint comprises a component A and a component B; wherein the component A is prepared from the following components in percentage by mass: waterborne hydroxyl acrylic emulsion, nano aluminum oxide, talcum powder, bariumsulfate, titanium dioxide, graphene oxide, lithium magnesium silicate, a PH regulator, a defoaming agent, a coalescing agent, a dispersing agent, a base material wetting agent, a thickening agent andthe balance of deionized water; the component B is prepared from the following components in percentage by mass: hydrophilic modified aliphatic polyisocyanate and the balance of a cosolvent; and the mass ratio of the component A to the component B is (4-6): 1. The water-based intermediate paint disclosed by the invention has the excellent characteristics of polishing resistance, impact resistance,strong flexibility, strong adhesive force, good stability and good sagging resistance, and is suitable for outdoor high-strength operation and long-time exposed intermediate paint for vehicles.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based intermediate paint and a preparation method thereof. Background technique [0002] The anti-corrosion performance of the coating sometimes depends on the overall film thickness of the entire coating system. Some functional primers should not be too thick, and the cost of the top coat is relatively high. Therefore, the rational use of intermediate paint can ensure the overall film thickness and Reduce the amount of topcoat and reduce supporting costs. [0003] At present, the intermediate paint is usually made into a high-solid thick-film coating. The method of airless spraying can be used, and the required thick-film effect can be achieved after one or two coats. The use of the intermediate paint can also improve the decorativeness of the top coat. Improve the fullness of the entire coating, and can also provide the required special effects, such as decorative pat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/04C09D7/45C09D7/61C09D7/63C08G18/62
CPCC08G18/6216C08K2003/2227C08K2003/2241C08K2003/3045C08K2201/011C09D7/45C09D7/61C09D7/63C09D175/04C08K13/02C08K3/22C08K3/34C08K3/30C08K3/042C08K5/17
Inventor 赵宁宁周泽钱董立志
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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