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Non electric-conduction vacuum plating UV dope

A vacuum electroplating, non-conductive technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of few reports on coatings

Active Publication Date: 2010-03-03
东周化学工业(昆山)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there are many reports on the UV coatings used by VM, but less reports on the coatings used by NCVM

Method used

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  • Non electric-conduction vacuum plating UV dope

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] According to the primer of the non-conductive vacuum electroplating UV paint of the present embodiment, it consists of: 15% of difunctional polyurethane acrylate resin, 10% of epoxy-modified acrylate resin, trihydroxymethyl propane trimethacrylate 15%, isobornyl acrylate 10%, 1-hydroxycyclohexyl phenyl ketone 2%, benzoin dimethyl ether 1%, methyl ethyl ketone 26.3%, xylene 20%, acrylate copolymer leveling agent 0.5%, alkyl Organosiloxane copolymer 0.2%.

[0035] The above primer is prepared by the following method: mix methyl ethyl ketone, xylene, 1-hydroxycyclohexyl phenyl ketone, and benzoin dimethyl ether according to the stated ratio, stir in a high-speed disperser at a speed of 800 to 1000 rpm until uniform, and then Add functional group urethane acrylate resin, epoxy-modified acrylate resin, trihydroxymethylpropane trimethacrylate, and acrylate isobornyl ester into the high-speed disperser in proportion, and in the high-speed disperser with Stir at 1000rpm until ...

Embodiment 2

[0039] According to the primer of the non-conductive vacuum electroplating UV coating of the present embodiment, it consists of: 18% of difunctional polyurethane acrylate resin, 8% of epoxy-modified acrylate resin, trihydroxymethyl propane trimethacrylate 18%, isobornyl acrylate 6%, 1-hydroxycyclohexyl phenyl ketone 2.5%, benzoin dimethyl ether 0.5%, methyl ethyl ketone 30%, xylene 16.5%, acrylate copolymer leveling agent 0.3%, alkyl Organosiloxane copolymer 0.2%.

[0040] The preparation method of primer is with embodiment 1.

[0041] According to the top coat of the non-conductive vacuum electroplating UV coating of the present embodiment, it is composed of: 15% of six-functional polyurethane acrylate resin, 10% of solvent-type modified acrylate resin, 12% of propoxylated glycerin triacrylate, tetrahydrofuran Acrylate 8%, pentaerythritol tetraacrylate 5%, 1-hydroxycyclohexyl phenyl ketone 3%, methyl ethyl ketone 35%, xylene 11.6%, acrylate copolymer leveling agent 0.3%, alk...

Embodiment 3

[0044] A primer for non-conductive vacuum electroplating UV paint, which consists of: 20% of difunctional polyurethane acrylate resin, 5% of epoxy modified acrylate resin, 20% of trihydroxymethyl propane trimethacrylate, Acrylate isobornyl ester 5%, 1-hydroxycyclohexyl phenyl ketone 2.5%, benzoin dimethyl ether 0.5%, methyl ethyl ketone 30%, xylene 16.5%, acrylate copolymer leveling agent 0.3%, alkyl organosiloxane alkane copolymer 0.2%.

[0045] The preparation method of primer is with embodiment 1.

[0046] According to the top coat of the non-conductive vacuum electroplating UV coating of the present embodiment, it is composed of: 12% of six-functional polyurethane acrylate resin, 12% of solvent-type modified acrylate resin, 10% of propoxylated glycerin triacrylate, tetrahydrofuran Acrylate 10%, pentaerythritol tetraacrylate 3%, 1-hydroxycyclohexyl phenyl ketone 3%, methyl ethyl ketone 35%, xylene 14.7%, acrylate copolymer leveling agent 0.25%, alkyl organosiloxane copolym...

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Abstract

The invention relates to non electric-conduction vacuum plating UV dope, comprising ground coat paint and finishing paint; the dope has good adhesive force between the ground coat paint and finishingpaint and the finishing paint, and between the finishing paint and metal coating, and the drying property and physical and chemical performances of the finishing paint coating which is added with bright ink are not affected; the abrasive resistance of paint films is not less than 500 times (175g loading), and the hardness is 500g / 2H; on the water-proofing and heat resistant performances, the paintfilm is not changed obviously when being placed at 100 DEG C for one hour, and adhesive force is 5B after a cross-cut tape test.

Description

technical field [0001] The invention relates to a UV coating, in particular to a UV coating used in non-conductive vacuum electroplating. Background technique [0002] At present, there are two main types of non-conductive vacuum plating (NCVM): one is tin, indium or indium tin alloy, and their oxides are formed after plating, so they are not conductive. The color of the plating is mainly the color of the material, which can be slightly changed. , such as gray, silver gray, etc.; the second is chrome plating + silicon oxide, the chrome plating is very thin, and a thin layer of SIO is added on the outside, which is also non-conductive and can be made in various colors, but if you want to print colors on it It is more difficult, the adhesion is not good, and it is easy to fall off. NCVM coatings are generally thin, and can be seen as translucent when coated on transparent materials. NCVM not only has the function of general VM to beautify the workpiece surface, but also can ...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D133/04C09D7/12
Inventor 严隽翔
Owner 东周化学工业(昆山)有限公司
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