Voltage-withstand photo-cured anode oxidation coating, as well as preparation method and using method thereof

An anodizing and light curing technology, used in epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of inconvenient construction of small workpieces, high hardness of hardware baking paint, and difficult color control, and achieve adhesion. Promote obvious effect, improve leveling and fullness, and have superior physical and chemical properties

Active Publication Date: 2012-07-18
深圳市嘉卓成科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Hardware baking varnish has high hardness and excellent chemical properties, but the color is not easy to control, and the construction of small workpieces is inconvenient
[0012] Hardware polyurethane coating is easy to apply, but its adhesion is worse than that of electrophoretic coating and baking varnish, and its gloss is poor, which cannot be compared with UV

Method used

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  • Voltage-withstand photo-cured anode oxidation coating, as well as preparation method and using method thereof
  • Voltage-withstand photo-cured anode oxidation coating, as well as preparation method and using method thereof
  • Voltage-withstand photo-cured anode oxidation coating, as well as preparation method and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] Described coating comprises following components:

[0055] 1) 25 parts of solvent-based modified polyurethane acrylate; 2) 10 parts of epoxy acrylate;

[0056] 3) 20 parts of polyurethane; 4) 10 parts of dipentaerythritol hexaacrylate;

[0057] 5) 0.5 parts of polyether silane copolymer; 6) 10 parts of mixed solvent;

[0058] 7) 3 parts of chlorine-modified siloxane; 8) 2 parts of butyl acetate;

[0059] 9) 6 parts of phosphate ester modified triacrylate; 10) 1 part of propyltrimethylsilane coupling agent;

[0060] 11) 2 parts of 1-hydroxycyclohexyl phenyl ketone; 12) 0.3 part of dibutyltin dilaurate.

[0061] Further, the mixed solvent includes various components in the following parts by weight:

[0062] 1) 10 parts of ethyl acetate; 2) 30 parts of toluene;

[0063] 3) 10 parts of methyl isobutyl ketone; 4) 30 parts of butyl acetate;

[0064] 5) 10 parts of ethylene glycol ethyl ether acetate.

[0065] The preparation process comprises the following steps:

[...

Embodiment 2

[0073] 1) 40 parts of solvent-based modified polyurethane acrylate; 2) 5 parts of epoxy acrylate;

[0074] 3) 20 parts of polyurethane; 4) 20 parts of dipentaerythritol hexaacrylate;

[0075] 5) 20 parts of trimethylolpropane triacrylate; 6) 0.5 parts of polyether silane copolymer;

[0076] 7) 20 parts of mixed solvent; 8) 6 parts of chlorine-modified siloxane; 9) 2 parts of butyl acetate;

[0077] 10) 6 parts of phosphate ester modified triacrylate; 11) 1 part of propyltrimethylsilane coupling agent;

[0078] 12) 2 parts of 1-hydroxycyclohexyl phenyl ketone; 13) 0.1 part of dibutyltin dilaurate.

[0079] Further, the mixed solvent includes various components in the following parts by weight:

[0080] 1) 30 parts of ethyl acetate; 2) 20 parts of toluene;

[0081] 3) 20 parts of methyl isobutyl ketone; 4) 20 parts of butyl acetate;

[0082] 5) 20 parts of ethylene glycol ethyl ether acetate.

[0083] The preparation process comprises the following steps:

[0084] 1) Prem...

Embodiment 3

[0091] One of the purposes of the application of the present invention is to provide a voltage-resistant light-curing anodic oxidation coating, specifically, the coating includes the following various components in parts by weight:

[0092] 1) 340 parts of solvent-based modified polyurethane acrylate; 2) 15 parts of epoxy acrylate;

[0093] 3) 15 parts of polyurethane; 4) 16 parts of dipentaerythritol hexaacrylate;

[0094] 5) 10 parts of trimethylolpropane triacrylate; 6) 1 part of polyether silane copolymer;

[0095] 7) 14 parts of mixed solvent; 8) 4 parts of chlorine-modified siloxane; 9) 3 parts of butyl acetate;

[0096] 10) 4 parts of phosphate ester modified triacrylate; 11) 2 parts of propyltrimethylsilane coupling agent;

[0097] 12) 1.5 parts of 1-hydroxycyclohexyl phenyl ketone; 13) 0.2 parts of dibutyltin dilaurate.

[0098] Further, the mixed solvent includes various components in the following parts by weight:

[0099] 1) 20 parts of ethyl acetate; 2) 25 par...

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PUM

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Abstract

The application of the invention provides a voltage-withstand photo-cured anode oxidation coating, as well as a preparation method and a using method thereof. The coating comprises the following components in parts by weight: 25-40 parts of solvent type modified polyurethane acrylate, 5-15 parts of epoxy acrylate, 10-20 parts of polyurethane, 10-20 parts of dipentaerythritol hexaacrylate, 0-20 parts of trimethylolpropane triacrylate, 0.5-2 parts of polyether silane copolymer, 10-20 parts of mixed solvent, 3-6 parts of chloro-modified siloxane, 2-5 parts of butyl acetate, 3-6 parts of phosphate ester modified triacrylate, 1-3 parts of propyl-trimethyl silane coupling agent, 1-2 parts of 1-hydroxycyclohexyl phenyl ketone and 0.1-0.5 part of dibutyltin laurate. The coating has the characteristics of safety, environmental protection, easiness in construction, excellent adhesion force, high fullness, strong appearance decoration, water resistance, chemical resistance and the like of the photo-cured coating, can withstand voltage of 5KV, has low content of VOC (voltage organic compounds) and is of the environment-friendly coating with fast curing speed and high performances.

Description

technical field [0001] The application of the present invention relates to a voltage-resistant light-curing anodic oxidation coating and its preparation and use methods, which belong to the technical field of chemical coatings. Background technique [0002] Anodizing is currently the most basic and common method of aluminum alloy surface treatment, which can be divided into ordinary anodizing and hard anodizing. The color film obtained by electrolytic coloring of aluminum and aluminum alloy has good wear resistance, light resistance, heat resistance and corrosion resistance, and is widely used in the decoration and anti-corrosion of modern architectural aluminum profiles. In addition, the electrolytic coloring of the anodized aluminum can improve the decorative effect and commodity value. In the next 10 years, anodic oxidation technology will still be the main surface treatment method, but the process technology needs to be continuously improved to achieve faster oxidation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/10C09D7/12B05D1/02B05D3/00B05D3/02B05D7/14
Inventor 黄杰良吴小浩
Owner 深圳市嘉卓成科技发展有限公司
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