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Free-radical chain polymerization thinly-coated ultraviolet-cured nanometer paint

A chain polymerization and nano-coating technology, applied in polyester coatings, polyurea/polyurethane coatings, anti-corrosion coatings, etc., can solve problems such as energy consumption and material consumption, environmental pollution, etc., to reduce energy consumption, good leveling effect, The effect of reducing film thickness

Inactive Publication Date: 2015-03-11
深圳市千浪化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its film thickness is usually more than 25 μm, which consumes a lot of energy and materials, among which organic solvents account for more than 25%, which seriously pollutes the environment. Therefore, it is necessary to provide new materials such as thin-coated UV-curable nano-coatings

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The weight percent of each component in this embodiment is: 38% of aliphatic urethane acrylate, 21% of epoxy acrylate, 21.5% of polyester acrylate, 13.2% of methyl isobutyl ketone, 3.7% of PIBDK photoinitiator, BYK2008 Dispersant 1.1%, BYK333 leveling agent 1.5%.

[0023] Weigh each component, add other components in turn to the aliphatic urethane acrylate, and mix evenly to obtain a coating. Test the film thickness, adhesion, and RCA tape resistance of the free radical chain polymerization thin-coated UV-curable nano coating Grinding test.

[0024] The test results show that the film thickness is 17μm, the adhesion test shows that there is no paint peeling on the surface of the paint film, and the wear times of the RCA paper tape wear test are more than 4300 times before the substrate is exposed.

Embodiment 2

[0026] The weight percent of each component in this embodiment is: 36% of aliphatic urethane acrylate, 23% of epoxy acrylate, 21.5% of polyester acrylate, 13.2% of butyl ester, 3.7% of PIBDK photoinitiator, BYK2008 dispersant 1.1%, BYK333 leveling agent 1.5%.

[0027] Weigh each component, add other components in turn to the aliphatic urethane acrylate, and mix evenly to obtain a coating. Test the film thickness, adhesion, and RCA tape resistance of the free radical chain polymerization thin-coated UV-curable nano coating Grind test.

[0028] The test results show that the film thickness is 15 μm, the adhesion test shows that there is no paint peeling on the surface of the paint film, and the wear times of the RCA paper tape wear test are more than 5300 times before the substrate is exposed. The wear resistance of the components in this embodiment is very good.

Embodiment 3

[0030] The weight percent of each component of the present embodiment is: 34% of aliphatic urethane acrylate, 25% of epoxy acrylate, 21.5% of polyester acrylate, 8% of butyl ester, 5% of methyl isobutyl ketone, PIBDK Photoinitiator 3.9%, BYK2008 dispersant 1.1%, BYK333 leveling agent 1.5%.

[0031] Weigh each component, add other components in turn to the aliphatic urethane acrylate, and mix evenly to obtain a coating. Test the film thickness, adhesion, and RCA tape resistance of the free radical chain polymerization thin-coated UV-curable nano coating Grind test.

[0032] The test results show that the film thickness is 15 μm, the adhesion test shows that there is no paint peeling on the surface of the paint film, and the wear times of the RCA paper tape wear test are more than 4700 times before the substrate is exposed.

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PUM

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Abstract

Related free-radical chain polymerization thinly-coated ultraviolet-cured nanometer paint comprises the following compositions in percent by weight: 33-39% of aliphatic polyurethane acrylate, 22-28% of epoxy acrylate, 20-24% of polyester acrylate, 8-15% of a solvent, 3-5% of a photoinitiator, 0.5-3% of a dispersant, and 0.5-3% of a leveling agent. The solvent is one or two of butyl acetate and 4-methyl-2-pentanone. The beneficial effects comprise that the paint is thinly coated, is resistant to smudge and prevents fingerprints, helps to improve the chemical performances of conventional ultraviolet-cured material coatings, reduce energy consumption and save cost, and has strong weatherability, corrosion resistance and chemical corrosion resistance. A coating of the paint is relatively small in yellowing property and is reduced in tensile strength, and the ultraviolet paint with relatively good comprehensive performances is obtained.

Description

technical field [0001] The invention belongs to the technical field of ultraviolet light curing coatings, and in particular relates to a thin-coating ultraviolet light curing nano coating of free radical chain polymerization. Background technique [0002] With the continuous improvement of people's living standards and the continuous advancement of science and technology, consumers around the world require the appearance of electronic and electrical products to be bright in color, exquisite in shape, and novel in style. , After the surface is painted, it is durable and not easy to scratch, anti-fingerprint, anti-chemical corrosion and other performances can be improved to a new level in the previous traditional paint, so as to ensure the color and continuous protection of the surface of the casing for a long time effect. [0003] Traditional UV-curable coatings are usually thick coatings, and the surface properties can meet the above requirements. However, its film thickne...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D163/10C09D167/06C09D7/12C09D5/08
CPCC09D175/14C08L2205/03C09D5/08C09D7/40
Inventor 谢梦静
Owner 深圳市千浪化工有限公司
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