Scratch-resistant UV metal gloss coating for electrical appliances and usage method thereof

A metallic luster and scratch-resistant technology, applied in polyurea/polyurethane coatings, coatings, and devices for coating liquids on surfaces, can solve problems such as electrical wear, scratches, and poor adhesion of pigments and metal powders. Achieve the effects of improved adhesion, excellent wear and scratch resistance, and simple curing

Inactive Publication Date: 2019-03-01
CHENDU NEW KELI CHEM SCI CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] It can be seen that when the existing UV coatings in the prior art are used for electrical appliances coatings, there is a problem of po

Method used

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  • Scratch-resistant UV metal gloss coating for electrical appliances and usage method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] Example 1

[0027] The raw materials of scratch-resistant UV metallic luster paint are: 29kg of polyurethane acrylate, 13kg of carboxyl acrylate, 16kg of epoxy acrylate, 4kg of phosphate resin, 1.5kg of sericite, 2.4kg of barium sulfate, 2kg of aluminum powder, and acetylene carbon black 2.6 kg, graphene 0.8kg, perhydropolysilazane 3kg, polydimethylsiloxane 1.6kg, 1-hydroxy-cyclohexyl-phenyl ketone 4kg;

[0028] Add urethane acrylate, carboxyl acrylate, epoxy acrylate and phosphate resin into water according to the proportion of corresponding parts by weight, put them on an electric mixer and stir at low speed for 10-15 minutes, and then mix sericite, barium sulfate, metal powder, acetylene carbon Add black, graphene and perhydropolysilazane in parts by weight and stir at high speed for 10-20 minutes; after the high-speed stirring, add leveling agent and photoinitiator, and disperse at high speed for about 20-30 minutes to obtain slurry, adjust viscosity And pH value, both ...

Example Embodiment

[0036] Example 2

[0037] The raw materials of scratch-resistant UV metallic luster paint are: 25kg of polyurethane acrylate, 10kg of carboxyl acrylate, 10kg of epoxy acrylate, 3kg of phosphate resin, 1kg of sericite, 2kg of barium sulfate, 1kg of copper powder, 2kg of acetylene carbon black, graphite 0.5kg of alkene, 1kg of perhydropolysilazane, 1kg of polymethylphenylsiloxane, 3kg of 2,4,6-trimethylbenzoyl diphenyl phosphine oxide;

[0038] Add urethane acrylate, carboxyl acrylate, epoxy acrylate and phosphate resin into water according to the proportion of corresponding parts by weight, put them on an electric mixer and stir at low speed for 10-15 minutes, and then mix sericite, barium sulfate, metal powder, acetylene carbon Add black, graphene and perhydropolysilazane in parts by weight and stir at high speed for 10-20 minutes; after the high-speed stirring, add leveling agent and photoinitiator, and disperse at high speed for about 20-30 minutes to obtain slurry, adjust viscos...

Example Embodiment

[0041] Example 3

[0042] The raw materials of scratch-resistant UV metallic luster paint are: urethane acrylate 35kg, carboxyl acrylate 15kg, epoxy acrylate 20kg, phosphate resin 5kg, sericite 2kg, barium sulfate 3kg, tin powder 3kg, acetylene carbon black 3kg, graphite Ene 1kg, perhydropolysilazane 5kg, isophorone 2kg, 2-hydroxy-2-methyl-1-phenyl-1-acetone 5kg;

[0043] The method of use is: first fully stir the scratch-resistant UV metallic luster paint uniformly, and then spray it on the surface of the plastic electrical appliance, and use ultraviolet light at the same time. The intensity of ultraviolet light is 300μW / m 2 , The power is 220W, the irradiation time is 20min, and it is cured in an ammonia atmosphere at a temperature of 90℃ for 1h to obtain a dense black and bright metallic luster coating.

[0044] The test method is consistent with Example 1, and the data obtained is shown in Table 1.

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Abstract

The invention belongs to the technical field of electrical appliance coatings, and provides a scratch-resistant UV metal gloss coating for electrical appliances and a usage method thereof. The coatingis prepared from the following raw materials: urethane acrylate, carboxylic acrylic ester, epoxy acrylate, phosphate resin, sericite, barium sulfate, metal powder, acetylene black, graphene, perhydropolysilazane, a leveling agent and a photo-initiator. The usage method comprises the following steps: firstly, fully and uniformly stirring the scratch-resistant UV metal luster coating; then, spraying the coating on the surfaces of the electrical appliances; meanwhile, performing UV light irradiation and maintaining in the atmosphere of ammonia to obtain a dense bright-black metal luster coating. Compared with the conventional method, the prepared UV metal gloss coating has the advantages that a dense silicon dioxide membrane is formed during the formation of the membrane through photo-curing, so that the prepared coating has high metal gloss, the texture of the electrical appliances is improved greatly, and the adhesive force of the coating is improved remarkably. The scratch-resistantUV metal gloss coating has superior wear resistance and scratch resistance, and can be widely applied in the fields of electrical appliance coatings.

Description

technical field [0001] The invention belongs to the technical field of electrical appliance coatings, and provides a scratch-resistant UV metallic luster coating for electrical appliances and a use method thereof. Background technique [0002] Electrical plastic accessories are an important component of electrical accessories. They have the advantages of good insulation, light weight, good processing formability and low processing cost. They are widely used in instrumentation and mechanical equipment and other fields. At the same time, electrical plastic accessories also have the disadvantages of poor wear resistance and heat resistance, and easy aging. In order to solve this problem, people spray protective paint on the surface of electrical plastic parts to protect the electrical plastic parts. Due to the smooth surface of electrical plastic parts, the requirements for the adhesion of paint are very high. [0003] At this stage, ordinary coatings used for electrical appl...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D183/16C09D7/61C09D7/65B05D5/06
CPCC09D175/14B05D5/067C08K2003/0812C08K2003/085C08K2003/3045C08L2201/10C08L2205/03C09D7/61C09D7/65C08L85/02C08L83/16C08K13/02C08K3/042C08K3/04C08K3/08C08K3/30C08K3/34
Inventor 陈庆曾军堂
Owner CHENDU NEW KELI CHEM SCI CO LTD
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