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A UV curable coating

A technology for curing coatings and ultraviolet light, applied in the field of coatings, can solve the problems of poor wear resistance, shortened service life, and low surface hardness of PET materials, and achieve the effect of improving wear resistance and scratch resistance.

Active Publication Date: 2016-01-27
苏州威仕薄膜科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The writing film based on PET material is widely used in the field of writing film due to its excellent antistatic properties, easy maintenance of writing, easy cleaning of wiping, and low cost. However, due to the low surface hardness of PET material, wear-resistant Poor performance, resulting in greatly shortened service life

Method used

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  • A UV curable coating
  • A UV curable coating
  • A UV curable coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Example 1: In parts by weight, 25 parts of modified urethane acrylate, 20 parts of hexyl ester acrylate derivatives, 43 parts of dipentaerythritol pentaacrylate and 8 parts of nano-fillers were added to a high-speed dispersion kettle, at 60-70 ° C After stirring at low temperature for 0.5-1h, add 1 part of benzoin dimethyl ether, 2 parts of 1-hydroxycyclohexyl phenyl ketone and 1 part of leveling aid, disperse for 15 minutes and then filter to obtain the UV-curable coating. The photocurable coating is uniformly coated on the PET substrate with a coater, and cured on a curing machine to obtain a PET coating.

Embodiment 2

[0012] Embodiment 2: In parts by weight, 30 parts of modified polyurethane acrylate, 15 parts of hexyl ester acrylate derivatives, 45 parts of dipentaerythritol pentaacrylate and 5 parts of nano filler

[0013] Add it into a high-speed dispersion kettle, stir at 60-70°C for 0.5-1h, add 1.5 parts of benzoin dimethyl ether, 2.5 parts of 1-hydroxycyclohexyl phenyl ketone and 1 part of leveling aid, disperse for 15 minutes and filter to obtain Described UV curable coating, the gained UV curable coating is coated with

[0014] Coating evenly on the PET base material, curing on the curing machine to obtain the PET coating.

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Abstract

The invention discloses ultraviolet curing paint which comprises the following components in percentage by weight: 25-35% of modified polyurethane acrylate, 10-20% of hexyl acrylate derivative, 30-45% of dipentaerythritol pentaacrylate, 5-10% of nano filler, 1-2% of 2,2-Dimethoxy-2-phenylacetophenone, 2-5% of 1-hydroxycyclohexyl phenyl ketone and 1-3% of leveling agent. When the paint is coated on a PET (polyethylene terephthalate) substrate, the wear resistance and scratch resistance of the PET substrate can be obviously improved, and the service life can be prolonged.

Description

Technical field: [0001] The invention relates to the technical field of coatings, in particular to an ultraviolet curing coating. Background technique: [0002] The writing film based on PET material is widely used in the field of writing film due to its excellent antistatic properties, easy maintenance of writing, easy cleaning of wiping, and low cost. However, due to the low surface hardness of PET material, wear-resistant Poor performance, resulting in greatly shortened service life. Since the advent of UV-curable coatings, it has attracted people's attention for its high hardness, strong solvent resistance, high efficiency, energy saving, and environmental protection, and its application range has become increasingly wide. Coating UV-curable coatings on PET materials can significantly improve its wear resistance and scratch resistance, and greatly extend its service life. Invention content: [0003] The object of the present invention is to provide a UV-curable coati...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/12
Inventor 孙加元
Owner 苏州威仕薄膜科技有限公司