Matte white paint and preparation method thereof

A white topcoat, matte technology, applied in the direction of coating, can solve the problems of the degree of crosslinking cannot be designed too high, the hardness is difficult to increase, the yellowing and aging of the paint film, etc., to achieve high hardness, strong adhesion, easy to spray Effect

Active Publication Date: 2015-09-23
广东花王涂料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Matte white topcoat is a kind of wood coating with excellent comprehensive performance, which is widely used in wood decoration. After the conventional product is mixed with paint, due to the characteristics of ordinary alkyd resin, the degree of crosslinking cannot be designed too high, and the hardness is difficult to increase. It will also become worse as the hardness increases, and the paint film is prone to yellowing and aging due to the benzene ring contained in the curing agent. Coupled with the influence of factors such as weather, climate, and use environment, it will lose light and lose light over time. discoloration, old malady

Method used

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  • Matte white paint and preparation method thereof
  • Matte white paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Titanium dioxide slurry: 46% acrylic resin, 1% dispersant, 50% titanium dioxide R706, 2% xylene and 1% butyl acetate;

[0036] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0037] Component A: 55% titanium white paste, 25% acrylic resin, 0.6% dispersant, 1.5% polyamide wax paste, 1% leveling agent EFKA-3777, 0.1% leveling agent EFKA- 3600, 0.1% defoamer, 1% methyl isobutyl ketone, 0.5% wax powder, 4.2% matting powder, 1% butyl acetate and 10% cellulose acetate solution;

[0038] Component B: 55% dehydrated butyl acetate and 45% HDI trimer curing agent HX-R;

[0039] Component C: 35% xylene, 20% butyl acetate, 20% propylene glycol methyl ether acetate, 15% mesitylene and 10% cyclohexanone.

[0040] Follow the steps below to prepare a matte white finish:

[0041] 1) Preparation of titanium dioxide slurry: uniformly disperse acrylic resin, dispersant, titanium dioxide R706, xylene and butyl acetate, grind to fineness ≤...

Embodiment 2

[0049] Titanium dioxide slurry: 40% acrylic resin, 1.5% dispersant, 55% titanium dioxide R706, 1.5% xylene and 2% butyl acetate;

[0050] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0051] Component A: 65% titanium white slurry, 18.6% acrylic resin, 1% dispersant, 2% polyamide wax slurry, 0.5% leveling agent EFKA-3777, 0.05% leveling agent EFKA- 3600, 0.05% defoamer, 2.5% methyl isobutyl ketone, 0.3% wax powder, 2.5% matting powder, 1.5% butyl acetate and 6% cellulose acetate solution;

[0052] Component B: 65% dehydrated butyl acetate and 35% HDI trimer curing agent 3390;

[0053] Component C: 45% xylene, 25% butyl acetate, 15% propylene glycol methyl ether acetate, 10% mesitylene and 5% cyclohexanone.

[0054] Follow the steps below to prepare a matte white finish:

[0055] 1) Preparation of titanium dioxide slurry: uniformly disperse acrylic resin, dispersant, titanium dioxide R706, xylene and butyl acetate, grind t...

Embodiment 3

[0063] Titanium dioxide paste: 50% acrylic resin, 0.5% dispersant, 47% titanium dioxide 595, 1% xylene and 1.5% butyl acetate;

[0064] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0065] Component A: 60% titanium white paste, 21.3% acrylic resin, 0.8% dispersant, 1.8% polyamide wax paste, 0.8% leveling agent EFKA-3777, 0.1% leveling agent EFKA- 3600, 0.1% defoamer, 2% methyl isobutyl ketone, 0.4% wax powder, 3.5% matting powder, 1.2% butyl acetate and 8% cellulose acetate solution;

[0066] Component B: 60% dehydrated butyl acetate and 40% HDI trimer curing agent 3390;

[0067] Component C: 40% xylene, 22% butyl acetate, 18% propylene glycol methyl ether acetate, 12% mesitylene and 8% cyclohexanone.

[0068] Follow the steps below to prepare a matte white finish:

[0069] 1) Preparation of titanium dioxide paste: uniformly disperse acrylic resin, dispersant, titanium dioxide 595, xylene and butyl acetate, grind to fine...

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Abstract

The invention relates to a wooden furniture paint, and discloses a matte white paint having high yellowing resistance and high hardness. The matte white paint is formed by mixing a component A, a component B and a component C with the weight ratio of the component A to the component B and the component C to be 1:0.4-0.5:0.6. The component A is prepared from the following components in percentage by weight: 55-65% of titanium dioxide starch, 18.6-25% of acrylic resin, 0.6-1% of a dispersing agent, 1.5-2% of polyamide wax starch, 0.5-1% of a flatting agent EFKA-3777, 0.05-0.1% of a flatting agent EFKA-3600, 0.05-0.1% of an antifoaming agent, 1-2.5% of methyl isobutyl ketone, 0.3-0.5% of wax powder, 2.5-4.2% of delustering powder, 1-1.5% of butyl acetate, and 6-10% of an acetic acid cellulose solution; the component B is a curing agent component; the component C is a diluent component. The invention further discloses the matte white paint and the preparation method thereof. The matte white paint disclosed by the invention has high hardness and high yellowing resistance.

Description

technical field [0001] The invention relates to a coating for wood furniture, in particular to a matte white finish with high yellowing resistance and high hardness and a preparation method thereof. Background technique [0002] Modern living furniture and decorations are getting more and more attention in people's lives. And along with reforming and opening 30 years, the prosperous development of furniture industry, the performance of the supporting wood lacquer coating has also been further improved. In order to provide customers with more and better color choices, the requirements for the decoration and wear resistance of coatings have also been raised. There are also product requirements for the hardness, leveling, flatness, gloss and color retention of the paint film, and at the same time, the paint film is easy to scratch and wear during the furniture transportation, storage, use, and maintenance. , also put forward new requirements. [0003] Matte white topcoat is ...

Claims

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Application Information

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IPC IPC(8): C09D133/02C09D7/12
CPCC08L2205/03C09D7/62C09D7/63C09D133/00C08L1/12C08L77/00C08K13/02C08K2003/2241C08K5/101C08K5/01C08K5/07
Inventor 方学平杨长春
Owner 广东花王涂料有限公司
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