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Organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint

A volatile solvent, environment-friendly technology, applied in the field of environment-friendly anti-cracking transparent UV spray primer, can solve problems such as cracking, achieve low viscosity, good adhesion, and good wettability

Inactive Publication Date: 2015-08-12
上海君子兰新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide an environment-friendly anti-cracking transparent UV spray primer that does not contain organic volatile solvents, which can be directly used for electrostatic spraying without dilution with organic solvents, is suitable for industrial production, and solves the problem of long-term furniture export by sea. Cracking problems in high and low temperature environments

Method used

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Embodiment Construction

[0010] The principle of the present invention is that by selecting suitable photocurable resins and active monomers, the requirement of being able to withstand cold and heat cycles without cracking in the environment of low temperature - 20°C - high temperature 120°C is achieved.

[0011] Among the present invention: formula is in mass percent:

[0012] raw material name Mass fraction % Modified epoxy acrylic resin 30-50% Modified polyurethane acrylate 10-15% active monomer 15-30% Photoinitiator 3-6% Dispersant 0-1% Defoamer 0-1% filler 10-15% leveling agent 0-1%

[0013] Among them, the modified epoxy acrylic resin is at least one of 6485, Eternal6315, Eternal6362-100, Eternal6319, DR-E509, CN2261; the modified polyurethane acrylate is Eternal6148j-75, Eternal6130B-80, UV3000B, Eternal6198, DR- At least one of U052; active monomers are PO-NPGDA (propoxylated neopentyl glycol diacrylate), DPGDA (dipropylene glycol ...

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Abstract

An organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint comprises, by mass, 30-50% of modified epoxy acrylic resin, 10-15% of modified polyurethane acrylate and 15-30% of an active monomer, and appropriate light-curable resin and the active monomer are selected to meet requirements of no cracking under hot and cold cycles in -20-120DEG C environment. The organic volatile solvent-free environmentally friendly anti-cracking transparent UV spray priming paint has the advantages of low use viscosity, good atomization effect, strong dilution ability, good wrapping property, good adherence, good wettability, good rubbing property and environmental protection, can be directly used in electrostatic spraying of devices without dilution by using an organic solvent, is suitable for industrial production, and solves the problem of cracking induced by long time high and low temperature environment in the furniture export sea transportation process.

Description

technical field [0001] The invention relates to IPC international patent classification C09D coating composition coating technology, especially an environment-friendly anti-cracking transparent UV spraying primer without organic volatile solvent. Background technique [0002] Primer is the paint that is directly applied to the surface of the construction object. It is the basic material on the surface of the workpiece and the medium layer between the intermediate coating or the overcoat and the surface of the object. The primer is the first layer of the paint system, which is used to improve the adhesion of the topcoat, increase the fullness of the topcoat, provide alkali resistance, provide anti-corrosion functions, etc., and at the same time ensure the uniform absorption of the topcoat, so that the paint system can play its best role good effect. Light-curing coatings or UV coatings mainly refer to a new type of coatings that are rapidly cross-linked and cured to form fil...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D175/14C09D7/12
CPCC09D163/10C09D7/61C09D7/65C08L75/14C08K3/34
Inventor 刘伟邓文根欧政忠
Owner 上海君子兰新材料股份有限公司
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