Single-component water-based wood paint

A wood coating, one-component technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of limited application range, low coating film hardness, poor solvent resistance, etc., and achieve good wetting effect and good strength. , low cost effect

Inactive Publication Date: 2015-08-05
广东朗法博涂装新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many types of water-based wood coatings on the market, such as one-component water-based alkyd coatings, acrylic coatings, water-based polyurethane coatings, water-based polyurethane modified acrylic coatings, and water-based epoxy coatings, but all of them have low hardness of the coating film and low solid content. , poor solvent resistance and other coating effect problems
Two-component polyurethane coatings can achieve a better paint film effect, but the price is high and the scope of use is limited

Method used

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  • Single-component water-based wood paint
  • Single-component water-based wood paint
  • Single-component water-based wood paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] One-component water-based wood coating of the present invention comprises the components of following parts by weight:

[0044]

[0045]

[0046] Wherein, the film-forming aid is formed by mixing the following components by weight: tripropylene glycol butyl ether 80%, alcohol ester-1220%; the water-based acrylic resin is a hydroxy acrylic resin, and the mass content of the hydroxyl group is 0.4%.

[0047] The water-based epoxy-modified polyurethane emulsion was purchased from Yantai Yunqing Chemical Industry, with a solid content greater than 40%; the water-based acrylic resin was a hydroxyl acrylic resin, wherein the mass content of the hydroxyl group was 0.4%, and the solid content of the water-based acrylic resin was greater than 40%.

[0048] The anti-settling agent is the water-based anti-settling agent of model XH-301; the wetting agent is the polyether modified dimethyl siloxane series wetting agent of BYK; Foaming agent is BYK's water-based mineral oil def...

Embodiment 2

[0053] Different from Example 1, the one-component water-based wood coating of the present invention includes the following components by weight:

[0054]

[0055]

[0056] Wherein, the film-forming aid is formed by mixing the following components by weight: 60 parts of tripropylene glycol butyl ether, 1240 parts of alcohol ester; the water-based acrylic resin is a hydroxyl acrylic resin, and the mass content of the hydroxyl group is 0.2 parts.

[0057] The solid content of the water-based epoxy-modified polyurethane emulsion is greater than 40 percent; the water-based acrylic resin is a hydroxyl acrylic resin, wherein the mass content of the hydroxyl group is 0.2 percent, and the solid content of the water-based acrylic resin is greater than 40 percent.

[0058] The anti-sedimentation agent is organic bentonite; the wetting agent is polyoxyethylene alkylated ether wetting agent; the dispersant is the sodium acrylic acid series dispersant of Godess; the defoamer is water-ba...

Embodiment 3

[0061] Different from Example 1, the one-component water-based wood coating of the present invention includes the following components by weight:

[0062]

[0063]

[0064] Wherein, the film-forming aid is formed by mixing the following components by weight: tripropylene glycol butyl ether 90%, alcohol ester-1210%; the water-based acrylic resin is a hydroxyl acrylic resin, and the mass content of the hydroxyl group is 0.3%.

[0065] The water-based epoxy-modified polyurethane emulsion was purchased from Yantai Yunqing Chemical Industry, with a solid content greater than 40%; the water-based acrylic resin was a hydroxyl acrylic resin, wherein the mass content of the hydroxyl group was 0.4%, and the solid content of the water-based acrylic resin was greater than 40%.

[0066] The anti-sedimentation agent is YH-C water-based anti-settling agent of Jinan Haide Chemical Co., Ltd.; the wetting agent is pull-open powder BX; the dispersant is the sodium acrylic acid series disper...

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Abstract

The invention relates to a single-component water-based wood paint which comprises the following components in parts by weight: 30-40 parts of water-based epoxy modified polyurethane emulsion, 30-40 parts of water-based acrylic resin, 2-30 parts of filler, 1-6 parts of nano aluminum dioxide, 0.1-1.0 part of wetting agent, 1-5 parts of dispersing agent, 0.1-0.5 part of defoaming agent, 1-6 parts of film-forming assistant and the balance of water. The water-based acrylic resin is a hydroxy acrylic resin in which the mass content of hydroxy group is 0-2-0.4 part. The film-forming assistant is prepared by mixing the following components in parts by weight: 60-90 parts of tripropylene glycol monobutyl ether and 10-40 parts of alcohol ester-12. The single-component water-based wood paint has the advantages of excellent water resistance, excellent wear resistance, excellent adhesive force, favorable film effect, high film hardness, high drying speed and low cost.

Description

technical field [0001] The invention relates to the technical field of water-based coatings, in particular to one-component water-based wood coatings. Background technique [0002] Water-based wood coatings have the advantages of environmental protection, energy saving, safety, and no health hazards. Under the current environment that promotes environmental protection, its advantages are becoming more and more obvious. At present, there are many types of water-based wood coatings on the market, such as one-component water-based alkyd coatings, acrylic coatings, water-based polyurethane coatings, water-based polyurethane modified acrylic coatings, and water-based epoxy coatings, but all of them have low hardness of the coating film and low solid content. , poor solvent resistance and other coating effect problems. Two-component polyurethane coatings can achieve a better paint film effect, but the price is relatively high and the scope of application is limited. The developm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/06C09D175/08C09D133/00C09D7/12
CPCC09D175/04C08K2201/011C08L2205/035C09D7/61C09D133/00C08L33/00C08L83/12C08L33/02C08L91/00C08K13/02C08K2003/2227C08K3/34C08K2003/265C08L75/04
Inventor 刘勇邓建华
Owner 广东朗法博涂装新材料科技有限公司
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