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Matte black finishing paint and preparation method thereof

A black finish and matte technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems that the degree of crosslinking cannot be designed too high, the paint film becomes yellow and aging, and the hardness is difficult to increase, so as to achieve high hardness, Easy to spray, strong adhesion effect

Active Publication Date: 2015-10-07
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 black 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 with the increase of hardness, and the paint film is easy to yellow and age due to the benzene ring in the curing agent. In addition to the influence of weather, climate, and use environment, it will lose light, Discoloration, aging and other disadvantages

Method used

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  • Matte black finishing paint and preparation method thereof
  • Matte black finishing paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Black pulp: 74% acrylic resin, 8% dispersant, 10% carbon black powder, 4% xylene and 4% butyl acetate;

[0034] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0035] Component A: 70% acrylic resin, 15% black paste, 0.6% dispersant, 2% polyamide wax paste, 0.5% leveling agent EFKA-3777, 0.05% leveling agent EFKA-3600 , 0.05% defoamer, 2.5% methyl isobutyl ketone, 0.3% wax powder, 3.5% matting powder, 1.5% butyl acetate and 4% cellulose acetate solution;

[0036] Component B: 55% dehydrated butyl acetate and 45% HDI trimer curing agent HX-R;

[0037] Component C: 35% xylene, 20% butyl acetate, 20% propylene glycol methyl ether acetate, 15% mesitylene and 10% cyclohexanone.

[0038] Follow the steps below to prepare a matte black finish:

[0039] 1) Preparation of black slurry: disperse acrylic resin, dispersant, carbon black powder, xylene and butyl acetate evenly, grind to fineness ≤ 15um, viscosity 2000mPa. s / 25℃;...

Embodiment 2

[0047] Black paste: 72% acrylic resin, 8% dispersant, 10% carbon black powder, 6% xylene and 4% butyl acetate;

[0048] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0049] Component A: 63% acrylic resin, 20% black paste, 1% 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, 4.8% matting powder, 2% butyl acetate and 5% cellulose acetate solution;

[0050] Component B: 60% dehydrated butyl acetate and 40% HDI trimer curing agent 3390;

[0051] Component C: 40% xylene, 25% butyl acetate, 15% propylene glycol methyl ether acetate, 10% mesitylene and 10% cyclohexanone.

[0052] Follow the steps below to prepare a matte black finish:

[0053] 1) Preparation of black slurry: disperse acrylic resin, dispersant, carbon black powder, xylene and butyl acetate evenly, grind to fineness ≤ 15um, viscosity 1800mPa. s / 25℃;

[00...

Embodiment 3

[0061] Black pulp: 70% acrylic resin, 10% dispersant, 9% carbon black powder, 5% xylene and 6% butyl acetate;

[0062] Cellulose acetate solution: 20% cellulose acetate, 20% methyl ethyl ketone and 60% butyl acetate;

[0063] Component A: 65% acrylic resin, 17.8% black paste, 0.8% dispersant, 1.8% polyamide wax paste, 0.8% leveling agent EFKA-3777, 0.05% leveling agent EFKA-3600 , 0.05% defoamer, 1.5% methyl isobutyl ketone, 0.4% wax powder, 4% matting powder, 1.8% butyl acetate and 6% cellulose acetate solution;

[0064] Component B: 58% dehydrated butyl acetate and 42% HDI trimer curing agent 3390;

[0065] Component C: 39% xylene, 24% butyl acetate, 18% propylene glycol methyl ether acetate, 14% mesitylene and 5% cyclohexanone.

[0066] Follow the steps below to prepare a matte black finish:

[0067] 1) Preparation of black slurry: disperse acrylic resin, dispersant, carbon black powder, xylene and butyl acetate evenly, grind to fineness ≤ 15um, viscosity 2200mPa. s / 25℃...

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Abstract

The invention relates to coating for wooden furniture and discloses matte black finishing paint with high yellowing resistance and high hardness. The matte black finishing paint is prepared by mixing a component A, a component B and a component C according to the weight ratio of 1:0.5:0.5-0.6, wherein the component A is prepared from the following materials by weight percent: 63-70 percent of acrylic resin, 15-20 percent of black paste, 0.6-1 percent of dispersing agent, 1.5-2 percent of polyamide wax paste, 0.5-1 percent of leveling agent EFKA-3777, 0.05-0.1 percent of leveling agent EFKA-3600, 0.05-0.1 percent of defoaming agent, 1-2.5 percent of methyl isobutyl ketone, 0.3-0.5 percent of wax powder, 3.5-4.8 percent of extinction powder, 1.5-2 percent of n-butyl acetate and 4-6 percent of cellulose acetate solution; the component B is a curing-agent component; and the component C is a diluting-agent component. The invention also discloses a preparation method of the matte black finishing paint. The matte black finishing paint 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 black 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 black topcoat is ...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D175/04C09D7/12
Inventor 方学平杨长春
Owner 广东花王涂料有限公司
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