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Anti-cracking UV spray coating white gloss varnish and preparation method of same

An anti-cracking, white topcoat technology, applied in coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve problems that affect the visual perception and durability of wooden furniture, yellowing, and easy cracking of paint films. Achieve excellent anti-cracking effect, good yellowing resistance and high curing efficiency

Inactive Publication Date: 2020-03-31
SHANGHAI BADES CHEM NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the UV spray bright white topcoat on the market has disadvantages such as difficult to dry after spraying, easy cracking and yellowing of the paint film, and poor user experience, which affects the visual perception and durability of wooden furniture.

Method used

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  • Anti-cracking UV spray coating white gloss varnish and preparation method of same
  • Anti-cracking UV spray coating white gloss varnish and preparation method of same
  • Anti-cracking UV spray coating white gloss varnish and preparation method of same

Examples

Experimental program
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Effect test

Embodiment 1-5

[0056] A kind of anti-cracking UV spraying bright white topcoat, it is prepared by following method:

[0057](1) Preparation of component A: Mix aldehyde and ketone resin, epoxy acrylate prepolymer, aliphatic urethane acrylate prepolymer and part of 1,6-hexanediol diacrylate for the first time, then add Dispersant, rheology additive, substrate wetting agent, defoamer, leveling agent, photoinitiator, mixed for the second time, then add titanium dioxide and the remaining 1,6-hexanediol diacrylate, Mix for the third time, then add phosphoric acid-modified acrylate and dipropylene glycol diacrylate, and mix for the fourth time to obtain component A;

[0058] (2) Preparation of component B: Mix 1,6-hexanediol diacrylate and dipropylene glycol diacrylate evenly to obtain component B;

[0059] (3) During construction, the A component and the B component are mixed in a mass ratio of 1: (0.2-0.3) to prepare an anti-cracking UV spray bright white finish paint.

[0060] The third mixin...

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Abstract

The invention discloses an anti-cracking UV spray coating white gloss varnish which includes, in an independent packaged manner, a component A and a component B, wherein the component A is composed of, by weight, 3-5 parts of aldehyde ketone resin, 8-12 parts of epoxy acrylate prepolymer, 41-49 parts of aliphatic polyurethane acrylate prepolymer, 14.5-16.7 parts of 1,6-hexanediol diacrylate, 1.5-2.5 parts of a dispersant, 0.15-0.25 parts of a rheological additive, 0.15-0.25 parts of a base material wetting agent, 0.15-0.25 parts of a defoamer, 0.4-0.6 parts of a leveling agent, 3.6-5.5 parts of a photoinitiator, 8-12 parts of titanium dioxide, 1.5-2.5 parts of phosphoric acid modified acrylate, and 5.5-7.5 parts of dipropylene glycol diacrylate; the component B is composed of, by weight, 25-35 parts of 1,6-hexanediol diacrylate and 65-75 parts of dipropylene glycol diacrylate. The mass ratio of the component A to the component B is 1:0.2-0.3. The UV spray coating white gloss varnish has excellent anti-cracking effect.

Description

technical field [0001] The invention relates to the technical field of wood coating manufacturing, in particular to an anti-cracking UV spray bright white finish and a preparation method thereof. Background technique [0002] At present, the curing methods of paint include traditional natural drying and UV curing. Traditional natural drying takes a long time to cure, and the solvent is volatile and not environmentally friendly. UV curing is to expose the paint surface to be cured to UV radiation, and harden and dry the paint through ultraviolet radiation with a wavelength of 200nm to 450nm, so as to achieve the purpose of curing with high efficiency. UV spray bright white topcoat has anti-pollution and energy-saving effects. It has excellent chemical and physical properties, fast curing speed, high production efficiency, and high solid content. It is widely used in the field of furniture paint. The thickness of UV spray bright white topcoat reaches 110-120 grams per square...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/10C09D7/61
CPCC08K2003/2241C08L2201/08C08L2205/035C09D175/14C09D7/61C08L63/10C08L61/02C08K3/22
Inventor 石教龙
Owner SHANGHAI BADES CHEM NEW MATERIAL CO LTD
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