Water-dispersible resin varnish and preparation method thereof

A dispersion type, resin paint technology, applied in the direction of coating, etc., to achieve good decorative effect, excellent performance index, and simple construction process

Inactive Publication Date: 2014-12-10
ZHICHENG PAINT XIANGTAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Although water-based paint has the advantages of good environmental protection paint film effect, etc., there is still a certain gap between one-component water-based paint and two-component oil-based paint in terms of hardness and high temperature resistance. This functional defect has led to water-based paint. develop

Method used

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  • Water-dispersible resin varnish and preparation method thereof
  • Water-dispersible resin varnish and preparation method thereof
  • Water-dispersible resin varnish and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A water-dispersible resin paint, the preparation method is as follows:

[0024] (1) Put 33 grams of R-706 titanium dioxide, 33 grams of deionized water, and 1 gram of BYK-180 in a sand mill, put in glass beads, and grind for 1 hour to obtain a white slurry;

[0025] (2) Put 20 grams of WAC 2501A water-dispersed acrylic resin (solid content: 40%, viscosity (mPa.s): 2000-7000, pH value: 7.0-8.5) in a container, and slowly add 5.8 grams of amino resin ( cymel303, 60%, BCS diluted), after stirring evenly, then add 0.1 gram of benzenesulfonic acid catalyst, after continuing to stir evenly, then add 23 grams of deionized water, 4 grams of talcum powder, and 38.9 grams of white slurry, Stir evenly, then continue to disperse the mixture on the mixer at a speed of 800r / min for 15 minutes, filter with a 200-mesh filter cloth, and the obtained filtrate is to be used on the spray board;

[0026] (3) Put 60 grams of WAC 2503D water-dispersed acrylic resin (solid content: 40%, visco...

Embodiment 2

[0029] A water-dispersible resin paint, the preparation method is as follows:

[0030] (1) Put 38 grams of R-706 titanium dioxide, 28 grams of deionized water, and 1.2 grams of BYK-180 in a sand mill, put in glass beads, and grind for 1 hour to obtain a white slurry;

[0031] (2) Put 25 grams of WAC 2501A water-dispersed acrylic resin (solid content: 40%, viscosity (mPa.s): 2000-7000, pH value: 7.0-8.5) in a container, and slowly add 6.5 grams of amino resin ( cymel303, 60%, BCS diluted), after stirring evenly, then add 0.2 g of benzenesulfonic acid catalyst, continue stirring evenly, then add 23.5 g of deionized water, 5 g of talcum powder, and 41 g of white slurry, Stir evenly, then continue to disperse the mixture on the mixer at a speed of 800r / min for 15 minutes, filter with a 200-mesh filter cloth, and the obtained filtrate is used for the spray plate;

[0032] (3) Put 70 grams of WAC 2503D water-dispersed acrylic resin (solid content: 40%, viscosity (mPa.s, 25°C): 5000...

Embodiment 3

[0035] A water-dispersible resin paint, the preparation method is as follows:

[0036](1) Put 43 grams of R-706 titanium dioxide, 33 grams of deionized water, and 1.5 grams of BYK-180 in a sand mill, put in glass beads, and grind for 1 hour to obtain a white slurry;

[0037] (2) Put 30 grams of WAC 2501A water-dispersed acrylic resin (solid content: 40%, viscosity (mPa.s): 2000-7000, pH value: 7.0-8.5) in a container, and slowly add 7.7 grams of amino resin ( cymel303, 60%, BCS diluted), after stirring evenly, then add 0.5 g of benzenesulfonic acid catalyst, continue stirring evenly, then add 24 g of deionized water, 6 g of talcum powder, and 45 g of white slurry, Stir evenly, then continue to disperse the mixture on the mixer at a speed of 800r / min for 15 minutes, filter with a 200-mesh filter cloth, and the obtained filtrate is to be used on the spray board;

[0038] (3) Put 80 grams of WAC 2503D water-dispersed acrylic resin (solid content: 40%, viscosity (mPa.s, 25°C): 50...

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Abstract

The invention provides a water-dispersible resin varnish and a preparation method thereof. The preparation method comprises the following steps: mixing and grinding R-706 titanium white, deionized water, BYK-180 and glass bead for 1 hour to obtain a white paste; slowly adding an amino resin into a WAC2501A water-dispersible acrylic resin, adding a benzenesulfonic acid catalyst, adding deionized water and talcum powder white paste, dispersing, and filtering to obtain a white primer; and slowly adding an amino resin into a water-dispersible acrylic resin, respectively adding a benzenesulfonic acid catalyst and AFCONA-3570, respectively adding deionized water AFCONA-3585 and ethylene glycol monobutyl ether, dispersing, and filtering to obtain the varnish. The water-dispersible resin varnish has the advantages of simple construction process, no toxic volatile solvent release, environment friendliness, favorable adhesion of the paint film, high hardness, high fullness and favorable decorative effect, and can be widely used on aluminum profile surfaces.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-dispersed resin paint and a preparation method thereof. Background technique [0002] Water-based paint is a paint that does not contain organic solvents. It uses water as a diluent, does not contain organic solvents such as benzene, toluene, xylene, and formaldehyde. It does not contain toxic heavy metals, is non-toxic and has no irritating odor. . The paint film of this kind of water-based paint is full, crystal clear, good flexibility and has the characteristics of water resistance, wear resistance, aging resistance, yellowing resistance, fast drying and convenient use. It can be widely used on various materials such as wood, metal, plastic, glass, and building surfaces. [0003] The development of this water-based paint has mainly gone through three stages: [0004] The first generation of water-based paint uses acrylic acid as the main raw material, and its advantages are...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D161/20
Inventor 易清风杨静庭赵延良冯伟云
Owner ZHICHENG PAINT XIANGTAN
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