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Vacuum sputtering UV-curable finish coat

A technology of vacuum sputtering and ultraviolet light, which is applied in the field of coatings, can solve the problems of poor chemical resistance, low production efficiency, and insufficient wear resistance, and achieve the effects of low volatility, beautiful appearance, and enhanced adhesion

Active Publication Date: 2011-11-09
苏州佩琦材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional UV-curable coatings mostly use thermoplastic acrylic coatings or two-component polyurethane coatings. Such coatings have problems such as insufficient wear resistance, scratch resistance, low production efficiency, poor chemical resistance, and environmental pollution.

Method used

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  • Vacuum sputtering UV-curable finish coat
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  • Vacuum sputtering UV-curable finish coat

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The preparation method of vacuum sputtering UV-curing topcoat comprises the following steps: (1) adding 15% of ethyl acetate, 20% of butyl acetate, 2-hydroxy-2-methyl- 1% of 1-phenyl-1-acetone, 2% of 1-hydroxy-cyclohexyl phenone, and then stirred for 10 minutes at 200 rpm with a dispersing mixer; (2) according to the above weight percentage, add 1, 5% of 6-hexanol diacrylate, 5% of trimethylolpropane triacrylate, and then stirred for 10 minutes at 300 rpm with a dispersing mixer; (3) according to the above weight percentage, add a leveling agent to the container Polyether-modified polysiloxane 2%, then use a dispersing mixer at 350 rpm for 10 minutes; (4) According to the above weight percentage, add 25% aromatic acid methacrylate half ester, trifunctional aliphatic 10% of aliphatic urethane acrylate and 15% of hexafunctional aliphatic urethane acrylate, and then stirred with a dispersing mixer at 700 rpm for 30 minutes; (5) 400-mesh filtration, packaging to obtain a fi...

Embodiment 2

[0047] The preparation method of vacuum sputtering UV-curable topcoat comprises the following steps: (1) adding 18% ethyl acetate, 15% butyl acetate, 2-hydroxy-2-methyl- 1-Phenyl-1-acetone 1.5%, 1-hydroxy-cyclohexyl phenone 2.5%, and then with a dispersing mixer at 250 rev / min, stirring for 8 minutes; (2) According to the above weight percentage, add 1, 5.5% of 6-hexanol diacrylate, 8% of trimethylolpropane triacrylate, and then stirred for 9 minutes at 400 rpm with a dispersing mixer; (3) according to the above weight percentage, add a leveling agent to the container 0.5% of polyether-modified polysiloxane, and then stirred at 400 rpm for 9 minutes with a dispersing mixer; (4) According to the above weight percentage, add 22.5% of aromatic acid methacrylate half ester, trifunctional aliphatic 6.5% of aliphatic urethane acrylate and 18% of hexafunctional aliphatic urethane acrylate, and then stirred with a dispersing mixer at 800 rpm for 28 minutes; (5) 450-mesh filtration and...

Embodiment 3

[0049]The preparation method of vacuum sputtering UV-curing topcoat comprises the following steps: (1) adding 20% ​​ethyl acetate, 10% butyl acetate, 2-hydroxy-2-methyl- 1-Phenyl-1-acetone 2%, 1-hydroxy-cyclohexyl phenone 3%, then with a dispersing mixer at 300 rev / min, stirring for 5 minutes; (2) According to the above weight percentage, add 1, 8% of 6-hexanol diacrylate, 10% of trimethylolpropane triacrylate, and then stirred for 8 minutes at 500 rpm with a dispersing mixer; (3) according to the above weight percentage, add a leveling agent to the container Polyacrylate 3%, then use a dispersing mixer to stir at 400 rpm for 8 minutes; (4) According to the above weight percentage, add 20% aromatic acid methacrylate half ester, trifunctional aliphatic urethane acrylate 4 to the container %, 20% of hexafunctional aliphatic urethane acrylate, and then stirred at 900 rpm for 25 minutes with a dispersing mixer; (5) 500-mesh filtration and packaging to obtain the finished product. ...

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Abstract

The invention which belongs to the technical field of paints especially relates to a vacuum sputtering UV-curable finish coat. The finish coat comprises 20 to 25 wt% of aromatic acid methacrylic acid half-ester, 10 to 20 wt% of butyl acetate, 15 to 20 ethyl acetate, 15 to 20 wt% of six functional aliphatic polyurethane acrylates, 1.5 to 10 wt% of three functional aliphatic polyurethane acrylates, 5 to 8 wt% of 1,6-hexanol diacrylate, 2 to 3 wt% of 1-hydroxy-cyclohexyl benzophenone, 1 to 2 wt% of 2-hydroxy-2-methyl-1-phenyl-1-acetone, and 0.5 to 3 wt% of a levelling agent. The finish coat has the advantages of rapid curing, good wear resistance, stain resistance and hard object scratching resistance, high glossiness, low volatility, and environmental protection and no pollution.

Description

Technical field: [0001] The invention belongs to the technical field of coatings, and particularly relates to a vacuum sputtering UV-curing topcoat. Background technique: [0002] UV-curable coatings, namely UV coatings, appeared in the 1950s and 1960s. They have the advantages of fast curing speed, high production efficiency, good mechanical and physical properties, less pollution, and energy saving. They are known as environmentally friendly green coatings. At present, various electronic or electrical products, cosmetic containers, such as digital cameras, notebook computers, mobile phones, cameras, MP4, etc., have been widely used in people's lives. The shells of such products are mostly made of plastic or plastic materials, and the appearance of the product is easily damaged by frequent friction during use. Moreover, when hands touch the shell of the product, hand sweat will be corrosive to the shell of the product, affecting the product's performance. service life. Th...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12
Inventor 陈新洪刘志兴
Owner 苏州佩琦材料科技有限公司
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