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Water-based two-component floor paint and preparation method thereof

A water-based two-component, floor paint technology, applied in the field of coatings, can solve the problems of single-component performance that cannot meet the actual application requirements, human health and environmental protection, and difficult to accept by construction personnel, etc., to achieve excellent scratch resistance, Excellent construction performance, safety and excellent effect

Inactive Publication Date: 2013-02-13
CHINA PAINT MFG CO SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of paint is made by cross-linking the isocyanate group in the polyisocyanate curing agent and the hydroxyl group in the alkyd or acrylic resin. It has the advantages of strong adhesion, high abrasion resistance, low film forming temperature, and good chemical resistance. , but in the process of production and use, a large amount of solvent will be released, and it will contain free TDI molecules, which is harmful to human health and environmental protection, and the smell is strong during construction, which is not easy to be accepted by construction workers, so water-based floor paint came into being.
At present, there are one-component and two-component water-based wooden floor paints on the market, but the performance of one-component cannot meet the actual application requirements, while two-component is expensive and difficult to promote on a large scale

Method used

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  • Water-based two-component floor paint and preparation method thereof
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  • Water-based two-component floor paint and preparation method thereof

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preparation example Construction

[0040] Correspondingly, the embodiment of the present invention also provides a preparation method of the above-mentioned water-based two-component floor paint with simple process, low cost, easy operation and control. This preparation method comprises the steps:

[0041] S01. Weigh each component according to the formula: weigh each component according to the formula of the above-mentioned water-based two-component floor paint;

[0042] S02. Prepare the first mixed solution: add the leveling agent, surfactant, and other anti-scratch agents weighed in step S01 into the aqueous polyacrylate emulsion under stirring conditions, and prepare the first mixed solution;

[0043] S03. Prepare the second mixed solution: add the defoamer weighed in step S01 to the first mixed solution prepared in step S02 under stirring conditions to prepare the second mixed solution;

[0044] S04. Prepare the third mixed solution: add the film-forming aid weighed in step S01 to the second mixed solutio...

Embodiment 1

[0055] A kind of water-based two-component floor paint and preparation method thereof:

[0056] S11. Weigh each component according to the formula of water-based two-component floor paint in the following table 1; wherein, the water-based polyacrylate emulsion in component A does not contain hydroxyl but contains carboxyl and the solid content is 65-75% wt%, its mass part is 65, the leveling agent is 0.1 mass part of BYK 337, the surfactant is 0.1 mass part of BYK 349, the other anti-scratch agent is 0.1 mass part of BYK 301, and the defoamer is 0.5 mass part BYK 028, the film-forming aid is 3 parts by mass of DPM, the thickener is 0.5 parts by mass of RM-8W; component B is water-dispersed polydiisocyanate with a solid content of 65%-75%, and its mass parts Makes 8 servings.

[0057] S12. Add the leveling agent, surfactant, and other anti-scratch agents weighed in step S11 into the aqueous polyacrylate emulsion under stirring to prepare the first mixed solution; wherein the s...

Embodiment 2

[0064] A kind of water-based two-component floor paint and preparation method thereof:

[0065] S21. Weigh each component according to the formula of the water-based two-component floor paint in the following table 1; wherein, the water-based polyacrylate emulsion in the first component does not contain hydroxyl but contains carboxyl and the solid content is 65-75% wt%, its mass part is 65, the leveling agent is 0.1 mass part of BYK 337, the surfactant is 0.1 mass part of BYK 349, the other anti-scratch agent is 0.1 mass part of BYK 301, and the defoamer is 0.5 mass part For BYK 028, the film-forming aid is 3 parts by mass of DPM, the anti-scratch wax is 1 part by mass, and the thickener is 0.5 parts by mass of RM-8W; component B is a water dispersion with a solid content of 65%-75%. Type polydiisocyanate, its mass parts are 8;

[0066] S22. Add the leveling agent, surfactant, and other anti-scratch agents weighed in step S21 into the aqueous polyacrylate emulsion under stirr...

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Abstract

The invention discloses a water-based two-component floor paint and a preparation method thereof. The water-based two-component floor paint consists of a first component and a second component, wherein the first component comprises the following ingredients in percentage by total weight of the water-based two-component floor paint: 65 to 75 percent of water-based polyacrylate emulsion, 0.1 to 0.3 percent of leveling agent, 0.1 to 0.4 percent of surfactant, 0.1 to 0.3 percent of other scratch resistance agent, 0.5 to 1.2 percent of antifoaming agent, 3 to 5 percent of coalescing agent, 1 to 2 percent of scratch-resistant wax, 0.5 to 1 percent of thickener and 4 to 23 percent of deionized water or pure water; and the second component is water-dispersed poly diisocyanate and has the content of 8 to 10 percent by total weight of the water-based two-component floor paint. The preparation method comprises the steps of weighing the components according to a formula, preparing first, second, third and fourth mixed solutions, adding water into the fourth mixed solution and packaging.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a water-based two-component floor paint and a preparation method thereof Background technique [0002] At present, a large number of solvent-based two-component polyurethane paints are used for wooden floor coatings on the market. This kind of paint is made by cross-linking the isocyanate group in the polyisocyanate curing agent and the hydroxyl group in the alkyd or acrylic resin. It has the advantages of strong adhesion, high abrasion resistance, low film forming temperature, and good chemical resistance. , but in the process of production and use, a large amount of solvent will be released, and it also contains free TDI molecules, which is harmful to human health and environmental protection, and has a strong odor during construction, which is not easy to be accepted by construction workers, so water-based floor paint came into being. At present, there are one-component and two-compon...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D175/02C09D7/12
Inventor 郑臣标王文彪
Owner CHINA PAINT MFG CO SHENZHEN
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