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Ultraviolet cured paint for electric product surface coating

A technology for curing coatings and surface coatings, which is applied in the direction of coatings, etc., and can solve the problems of difficult high-end electronic product coating requirements, difficult wear resistance, adhesion surface gloss, etc., and achieve high curing speed and efficiency, high adhesion Glossy, strong adhesion effect

Inactive Publication Date: 2009-02-04
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many existing coating products are difficult to balance wear resistance, adhesion and surface gloss, so it is difficult to meet the coating requirements of many high-end electronic products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The weight percentage composition of the UV-curable coating that is used for electronic product surface coating is as follows:

[0044] Sartomer CN965 20wt%

[0045] Trishydroxyethyl isocyanurate triacrylate 25wt%

[0046] Ethoxylated Pentaerythritol Triacrylate 18wt%

[0047] Isobornyl Acrylate 5wt%

[0048] 1-Hydroxycyclohexylbenzophenone (Irgacure 184) 4wt%

[0049] Methacryloxypropyltrimethoxysilane Treated Nano Silica 3wt%

[0050] Leveling agent BYK306 2wt%

[0051] Ethylene glycol monobutyl ether 13wt%

Embodiment 2

[0053] The weight percentage composition of the UV-curable coating that is used for electronic product surface coating is as follows:

[0054] Sartomer CN959 15wt%

[0055] Multifunctional triazine (meth)acrylate (BOMAR BMA-200) 30wt%

[0056] Ethoxylated dipentaerythritol pentamethacrylate 25wt%

[0057] N-cyclohexylmaleimide 7wt%

[0058] 1-Hydroxycyclohexylbenzophenone (Irgacure 184) 5wt%

[0059] Vinyltriethoxysilane treated nano silica 2wt%

[0060] BYK358 1wt%

[0061] Propylene glycol monomethyl ether 20wt%

Embodiment 3

[0063] The weight percentage composition of the UV-curable coating that is used for electronic product surface coating is as follows:

[0064] Sartomer CN963E75 30wt%

[0065] Multifunctional triazine (meth)acrylate (BOMAR BMA-300) 40wt%

[0066] Diethoxylated Dipentaerythritol Tetramethacrylate 5wt%

[0067] Tetrahydrofuryl acrylate 6wt%

[0068] Benzophenone 3wt%

[0069] 2-Hydroxy-2-methyl-1-phenyl-1-propanone (Darocur1173) 2wt%

[0070] Titanium dioxide treated with methacryloxypropyltrimethoxysilane 2wt%

[0071] Leveling agent Fluorad FC430 1wt%

[0072] Propylene glycol monoethyl ether acetate 11wt%

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PUM

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Abstract

The invention relates to a UV-curable coating used in surface coating for electronic products, which is prepared by the components with the following weight percentage: 10 to 30wt percent of dual-functional polyurethane acrylate, 5 to 40wt percent of multi-functional nuclear hybrid acrylate monomer, 5 to 30wt percent of ethoxylated or propoxylated multi-functional acrylate monomer, 0 to 15wt percent of single-functional monomer, 1 to 6wt percent of photoinitiator, 0 to 5wt percent of modified nano material, 0.1 to 2wt percent of flatting agent, and 10 to 50wt percent of solvent. The UV-curable coating of the invention is widely applicable to the surface coating of electronic products, such as mobile phones, MP3, MP4 and digital cameras, etc, and has the advantages of high wear resistance, high transparency, strong adhesion, high gloss, etc.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to ultraviolet curing coatings applied to the surface coating of consumer electronic products such as mobile phones and optical discs. Background technique [0002] Radiation curing technology is an advanced material surface processing technology that appeared in the middle of the 20th century. It uses ultraviolet light (UV) or electron beam (EB) to trigger rapid polymerization and crosslinking of chemically active liquid materials, thereby curing. Radiation curing technology is an industrial technology with the characteristics of "five E" (high efficiency, wide adaptability, economy, energy saving and environmental friendliness). Over the past few years, UV-curable coatings have grown rapidly in the wood, beverage can, food packaging, magazine covers, medical device and automotive industries. UV-curable coatings have huge market potential, and their proportion in the entire coating product...

Claims

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Application Information

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IPC IPC(8): C09D4/02
Inventor 郭宝春陈中华杜明亮贾德民
Owner SOUTH CHINA UNIV OF TECH
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