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Ultraviolet light curable coating with dewdrop effect and preparation method and coating method thereof

A technology of curing paint and ultraviolet light, which is applied in the field of paint, can solve the problems of alcohol resistance, G1 resistance, high temperature and high humidity resistance, etc., and achieve the effect of easy curing, good decorative effect and good decorative effect

Active Publication Date: 2015-01-14
ZHEJIANG UVCHEM SPECIAL COATINGS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Among the UV-curable coatings in the prior art, there is no coating capable of forming a stable dewdrop paint effect, and the alcohol resistance, G1 resistance, and high temperature and high humidity resistance are poor

Method used

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  • Ultraviolet light curable coating with dewdrop effect and preparation method and coating method thereof
  • Ultraviolet light curable coating with dewdrop effect and preparation method and coating method thereof
  • Ultraviolet light curable coating with dewdrop effect and preparation method and coating method thereof

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Embodiment 1～3

[0066] See Table 1 for the composition in parts by weight of the primer, and Table 2 for the composition in parts by weight of the topcoat.

[0067] Table 1

[0068]

[0069] Table 2

[0070]

[0071] Accurately weigh each component according to the composition in parts by weight in Table 1, place it in a container for high-speed dispersion, disperse and stir evenly, and then filter with a filtration accuracy of 1um. After the filter is completed, pack it to obtain a primer. During the packaging process, it is necessary to avoid light, heat and collision.

[0072] Accurately weigh each component according to the composition in parts by weight in Table 2, place it in a container for high-speed dispersion, disperse and stir evenly, then filter with a filtering accuracy of 1um, and pack after filtering to obtain a top coat. During the packaging process, it is necessary to avoid light, heat and collision.

[0073] Apply the above coating on the plastic substrate, the coat...

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Abstract

The invention discloses an ultraviolet light curable coating with a dewdrop effect. The coating comprises base paint and finish paint, wherein the base paint comprises the following ingredients by weight percent: 10-15% of epoxy acrylate, 18-30% of high-functionality-degree polyurethane acrylic ester A, 8-15% of a tri-functional group monomer A, 3-5% of a photoinitiator A, 0.4-0.8% of an organic silicon flatting agent and 45-55% of an organic solvent A; and the finish paint comprises the following ingredients by weight percent: 5-10% of a thermoplastic acrylic resin, 8-18% of the high-functionality-degree polyurethane acrylic ester B, 15-20% of the tri-functional group monomer B, 3-5% of the photoinitiator B, 0.1-0.3% of an acrylic acid flatting agent, 1-3% of a silane coupling agent and 50-60% of the organic solvent B. The ultraviolet light curable coating with the dewdrop effect is simple to prepare and easy to cure, and has the dewdrop effect after being cured into a coating.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a UV-curable coating with a dewdrop effect, a preparation method and a coating method thereof. Background technique [0002] Ultraviolet light (UV) curing is to use the photosensitivity of photoinitiators (photosensitizers) to form excited ecological molecules under the irradiation of ultraviolet light, decompose them into free radicals or ions, and make unsaturated organic compounds polymerize, graft and exchange. Combined chemical reactions to achieve the purpose of curing. [0003] The current UV light-curing coatings mainly play the role of decoration and protection. Among the various decorative effects, there are various colors of light, matte, vacuum coating and hammer effect. [0004] The invention with the application publication number of CN102796448A discloses a water-based two-component white varnish, which is composed of a main agent component A and a curing agent component B...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D163/10C09D133/00C09D5/29C09D7/06C09D7/12B05D5/06B05D7/26C09D7/47
Inventor 杨明君张忠良余立刚
Owner ZHEJIANG UVCHEM SPECIAL COATINGS CO LTD
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