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A kind of UV-curable coating without thickening and preparation method thereof

A technology of curing coatings and ultraviolet light, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of non-recyclable, high viscosity, and the coating can not meet the requirements of matte, and achieves difficult to thicken, increase roughness, The effect of good gloss and color retention

Active Publication Date: 2022-08-09
中山市鑫峰光固化材料有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a UV-curable coating that does not return to thick, and solve the problems that the existing coatings cannot meet the matte requirements and the viscosity is too high to be recycled.

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  • A kind of UV-curable coating without thickening and preparation method thereof
  • A kind of UV-curable coating without thickening and preparation method thereof
  • A kind of UV-curable coating without thickening and preparation method thereof

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below with reference to the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] Select 6 UV-curable coatings that do not thicken with different component ratios, and are numbered sequentially as Examples 1 to 6. As shown in Table 1, each implementation is prepared according to the preparation method of the UV-curable coating that does not thicken according to the present invention. Example of a non-thickening UV-curable coating.

[0025] Table 1: The composition ratio table of the UV-curable coatings without thickening of Examples 1-6

[0026]

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Abstract

The invention discloses a non-thickening ultraviolet curing coating and a preparation method thereof. The coating comprises the following components in parts by weight: fillers include transparent spherical micropowder and fumed silica micropowder, and functional assistants include dispersant, defoamer, leveling agent, photoinitiator assistant and photoinitiator. The thinner is used to reduce the viscosity of the coating so that the coating can be leveled. The crosslinking speed of the hydroxy acrylic resin and the urethane acrylate is slow, and it is easy to rework; the thinner forms a hydrogen bond with the surface of the coating to improve the adhesion and prevent paint stripping. The structure of the double bond, ester group and alkane makes the paint film have better elongation at break; the dispersant disperses the urethane acrylate, and the paint is not easy to thicken; the filler increases the roughness of the paint film and reduces the gloss to achieve a matte effect , to solve the problems existing in existing coatings.

Description

【Technical field】 [0001] The invention relates to the technical field of light-curing coatings, in particular to a non-thickening ultraviolet light-curing coating and a preparation method thereof. 【Background technique】 [0002] At present, the UV-curable coatings on the market basically have the characteristics of no volatile organic solvent, high solid content and high gloss, but there is a problem that it is difficult to extinction. In addition, there are many needs for ultra-low matte products that cannot be met, such as high viscosity of the coating, inability to recycle, easy to thicken the paint, not leveling, easy to white after drying, cracking and peeling, and no scratch resistance. There is a need for a new UV-curable coating that can overcome the above-mentioned defects. [Content of the invention] [0003] The object of the present invention is to provide a non-thickening UV-curable coating, which solves the problems that the existing coating cannot meet the m...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D133/00C09D7/20C09D7/61C09D7/63C09D7/65
CPCC09D175/14C09D7/20C09D7/61C09D7/63C09D7/65C09D7/70C08L2205/035C08L33/00C08L71/00C08K13/04C08K7/26C08K7/16C08K5/5415
Inventor 徐庆
Owner 中山市鑫峰光固化材料有限公司
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