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Water-based shower-coated super matte toning finishing coat

A flow coating, water-based technology, applied in coatings, polyurea/polyurethane coatings, etc., can solve problems such as uneven gloss, difficult matting, and bright spots, and achieve good hand feeling, good adhesion, and good weather resistance.

Inactive Publication Date: 2015-05-13
WUHAN ECORD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When water-based wood paint is used as a special matte finish, it is more likely to have problems such as difficulty in matting, bright spots, uneven gloss, and easy fading

Method used

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  • Water-based shower-coated super matte toning finishing coat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Take water-based acrylic resin: 44 kg, water-based polyurethane modified acrylic resin: 18 kg, defoamer: 0.1 kg, matting agent: 5 kg, film-forming aid: 7 kg, wetting agent: 0.8 kg, dispersant: 0.4 kg, thickener: 0.5 kg, water: 24.2 kg.

[0027] First add water-based acrylic resin and water-based polyurethane modified acrylic resin dispersion into the dispersion tank, then add defoamer, matting agent, film-forming aid, wetting agent and dispersant under medium-speed stirring, and wash the tank with water wall and rotating shaft, and then disperse at high speed for about 30 minutes until the fineness is less than 35um, and finally add thickener under medium-speed stirring state, and pack 100 kg of the product of the present invention after stirring evenly.

[0028] First paint 2-3 times of water-based single or two-component water-based wood paint on the wood, or 2-3 times of PU paint or oily UV paint, the specific number of times can be determined according to the desire...

Embodiment 2

[0030] Take water-based acrylic resin: 36 kg, water-based polyurethane modified acrylic resin: 25 kg, defoamer: 0.2 kg, matting agent: 5 kg, film-forming aid: 7 kg, water: 24.2 kg, wetting agent: 0.1, Dispersant: 1.2 kg, thickener: 0.5 kg.

[0031] First add water-based acrylic resin and water-based polyurethane modified acrylic resin dispersion into the dispersion tank, then add defoamer, matting agent, film-forming aid, wetting agent and dispersant under medium-speed stirring, and wash the tank with water wall and rotating shaft, and then disperse at high speed for about 30 minutes until the fineness is less than 35um, and finally add thickener under medium-speed stirring state, and pack 100 kg of the product of the present invention after stirring evenly.

[0032] First paint 2-3 times of water-based single or two-component water-based wood paint on the wood, or 2-3 times of PU paint or oily UV paint, the specific number of times can be determined according to the desired e...

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Abstract

The invention belongs to the technical field of water-based paints and particularly relates to a water-based shower-coated super matte toning finishing coat. The water-based shower-coated super matte toning finishing coat comprises the following components in percentage by weight: 35-45% of water-based acrylic resin, 16-20% of water-based polyurethane modified acrylic resin, 0.1-0.2% of a defoamer, 3-5% of a flatting agent, 5-7% of a film coalescing agent, 0.5-1% of a wetting agent, 0.5-1% of a dispersant, 0.5-1% of a thickener and the balance of water. The water-based shower-coated super matte toning finishing coat provided by the invention can solve the problems that the conventional water-based shower-coated paint is likely to foam, shrink, generate rash and fade and the like during shower coating, and has a uniform and smooth paint film with a good surface effect and super matte glossiness. The water-based shower-coated super matte toning finishing coat is high in hardness, good in fullness, good in weather resistance, excellent in flexibility, good in handfeel, high in glossiness and excellent in water resistance and chemical resistance and has good adhesive force on a solvent polyurethane wood paint (PU), a nitrocellulose paint (NC), an unsaturated polyester paint (UE) and an oily UV light-cured paint.

Description

technical field [0001] The invention belongs to the technical field of water-based paints, and in particular relates to a water-based drench-coated extra-dull toning finish paint. Background technique [0002] The wood coatings currently used for curtain coating are basically polyurethane wood coatings (PU), nitrocellulose varnishes (NC), unsaturated polyester (PE, oily UV light-curing paint) paints. However, for reasons of environmental protection, the flow-coated wood lacquer has a tendency to gradually develop towards water-based. Due to the high surface tension of traditional water-based wood paints, it is not easy to wet the substrate, so the amount of wetting agent (surfactant) needs to be increased. Due to the increased amount of surfactant, and the way of pipeline transportation, the defoaming is increased. Difficulty, more surface bubbles, the effect is not good. If a strong defoamer is used or the amount of defoamer is increased, the risk of shrinkage cavity or p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/04C09D7/12
CPCC09D7/61C09D7/63C09D133/00C08L75/04
Inventor 喻亮窦敏辉杨光谭献文吴琼吴波徐雄斌龙飞达吴一凡
Owner WUHAN ECORD TECH CO LTD
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