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 heal

Method used

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

Examples

Experimental program
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Example Embodiment

[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, and easy operation and control. The preparation method includes the following steps:

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

[0042] S02. Preparation of the first mixed liquid: adding the leveling agent, surfactant, and other anti-scratch agents weighed in step S01 to the aqueous polyacrylate emulsion under stirring conditions to prepare the first mixed liquid;

[0043] S03. Preparation of the second mixed liquid: adding the defoamer weighed in step S01 to the first mixed liquid prepared in step S02 under stirring conditions to prepare a second mixed liquid;

[0044] S04. Preparation of the third mixed solution: adding the film-forming aid weighed in step S01 to the second mix...

Example Embodiment

[0054] Example 1

[0055] A water-based two-component floor paint and its preparation method:

[0056] S11. Weigh the components according to the formula of the water-based two-component floor paint in Table 1 below; among them, the water-based polyacrylate emulsion in the first component does not contain hydroxyl groups but contains carboxyl groups and has a solid content of 65-75% wt%, the 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, the defoaming agent 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; the second component is a water-dispersible polydiisocyanate with a solid content of 65%-75%, and its mass parts For 8 servings.

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

Example Embodiment

[0063] Example 2

[0064] A water-based two-component floor paint and its preparation method:

[0065] S21. Weigh the components according to the formula of the water-based two-component floor paint in Table 1 below; among them, the water-based polyacrylate emulsion in component A does not contain hydroxyl groups but contains carboxyl groups and has a solid content of 65-75% wt%, the 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, the defoaming agent is 0.5 mass part 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; the second component is water dispersion with a solid content of 65%-75% Type polydiisocyanate, the mass parts of which is 8;

[0066] S22. Add the leveling agent, surfactant, and other anti-scratch agents weighed in step S21 to the aqueous polyacrylate emuls...

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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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