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Ultraviolet solidifying protection paint applied for polyester substrate surface

A technology of protective coating and ultraviolet light, applied in the direction of coating, etc., can solve the problems of poor hardness of PET, non-abrasive surface, limited use range, etc., and achieve the effect of good adhesion and excellent wear resistance

Inactive Publication Date: 2008-09-10
HUIZHOU CHANGRUNFA PAINT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Polyester substrate PET film is more and more widely used in the field of shells in household appliances, electronics, packaging and other industries, but due to the poor hardness of PET and the non-wear-resistant surface, its application range is limited
If the surface of the polyester substrate PET film is coated with UV-curable coatings, the high crosslink density, high hardness, and high film resistance of the coating will be used to greatly improve the durability of the surface of the polyester substrate PET film. Abrasiveness makes it more widely used, but there is no report on related technologies

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] A kind of ultraviolet curing protective coating applied to the surface of polyester substrate, its weight percentage is composed of: difunctional aliphatic urethane acrylate 15wt%, multifunctional aliphatic urethane acrylate 6wt%, novolac epoxy acrylate 10wt% , macromolecular pure acrylic resin 5-20wt%, chlorinated polyester acrylate 1-15wt%, difunctional acrylate monomer 5-20wt%, trifunctional acrylate monomer 5-15wt%, phenylene 1-5 wt% of diethyl phosphonate, 5-40 wt% of hexanediol diacrylate, and 0.01-1 wt% of triethanolamine.

[0011] Apply the above-mentioned UV-curable protective coating to the surface of the polyester base PET. The surface has excellent wear resistance, and the steel wool can be rubbed repeatedly without marks.

Embodiment 2

[0013] A kind of ultraviolet curing protective coating applied to the surface of polyester substrate, its weight percentage is composed of: difunctional aliphatic urethane acrylate 18wt%, multifunctional aliphatic urethane acrylate 8wt%, novolac epoxy acrylate 12wt% , macromolecular pure acrylic resin 5-20wt%, chlorinated polyester acrylate 1-15wt%, difunctional acrylate monomer 5-20wt%, trifunctional acrylate monomer 5-15wt%, phenylene 1-5 wt% of diethyl phosphonate, 5-40 wt% of hexanediol diacrylate, and 0.01-1 wt% of triethanolamine.

[0014] Apply the above-mentioned UV-curable protective coating to the surface of the polyester base PET. The surface has excellent wear resistance, and the steel wool can be rubbed repeatedly without marks.

Embodiment 3

[0016] An ultraviolet curing protective coating applied to the surface of a polyester substrate, its weight percentage is composed of: 20wt% of difunctional aliphatic urethane acrylate, 20wt% of multifunctional aliphatic urethane acrylate, and 20wt% of novolac epoxy acrylate , macromolecular pure acrylic resin 5-20wt%, chlorinated polyester acrylate 1-15wt%, difunctional acrylate monomer 5-20wt%, trifunctional acrylate monomer 5-15wt%, diphenylmethane 1-5 wt% of ketone, 5-40 wt% of hexanediol diacrylate, and 0.01-1 wt% of triethanolamine.

[0017] Apply the above-mentioned UV-curable protective coating to the surface of the polyester base PET. The surface has excellent wear resistance, and the steel wool can be rubbed repeatedly without marks.

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PUM

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Abstract

The invention discloses an ultraviolet-curing protective paint applicable to the surface of a polyester substrate, the compositions of the weight percent are as followings: 10 to 35 wt percent of bis-functional aliphatic polyurethane acrylates, 5 to 25 wt percent of multifunctional aliphatic polyurethane acrylates, 5 to 40 wt percent of novolac epoxy acrylates, 5 to 20 wt percent of pure acrylic ester of macromolecule, 5 to 40 wt percent of chloride polyester acrylates and 0.01 to 1 wt percent of addition agent, the ultraviolet-curing protective paint is applicable to the surface of the polyester substrate PET, the protective paint has excellent adhesion and high temperature resistance, the sticking membrane is normal at the high temperature of 180 DEG C and hot pressing for 30 seconds, at the same time, the surface of the polyester substrate PET has the advantages of excellent abrasion resistance and no friction mark after rubbing repeatedly a steel wool.

Description

technical field [0001] The invention relates to an ultraviolet light curing coating in the chemical industry, in particular to a protective coating applied to the PET surface of a polyester substrate. Background technique [0002] Polyester substrate PET film is more and more widely used in the field of shells in household appliances, electronics, packaging and other industries, but due to the poor hardness of PET and the non-wear-resistant surface, its application range is limited. If the surface of the polyester substrate PET film is coated with UV-curable coatings, the high crosslink density, high hardness, and high film resistance of the coating will be used to greatly improve the durability of the surface of the polyester substrate PET film. Abrasiveness makes it more widely used, but there is no report of related technologies at present. Contents of the invention [0003] The technical problem to be solved by the invention is to improve the abrasion resistance of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/00C08J7/04C08F2/50
Inventor 何吉钢
Owner HUIZHOU CHANGRUNFA PAINT
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