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Water-based low-gloss photocureable coating and preparation method thereof

A light-curing coating, low gloss technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of water-based coatings with low solid content, no scratch resistance, no water resistance, etc., to improve adhesion and not easy to peel off paint , the effect of easy leveling

Inactive Publication Date: 2021-03-12
中山市鑫峰光固化材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a water-based low-gloss light-curing coating, which solves the problems of the existing water-based coatings such as low solid content, water resistance, easy paint removal, and scratch resistance, and at the same time facilitates the leveling of the water-based coating

Method used

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  • Water-based low-gloss photocureable coating and preparation method thereof
  • Water-based low-gloss photocureable coating and preparation method thereof
  • Water-based low-gloss photocureable coating and preparation method thereof

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Embodiment Construction

[0021] The technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0022] Select six water-based low-gloss light-curing coatings with different component distribution ratios, and number them sequentially as Examples 1 to 6. As shown in Table 1, prepare the water-based low-gloss light-curing coatings of each embodiment according to the preparation method of the water-based low-gloss light-curing coating of the present invention. Gloss light curing coating. And test the performance of the water-based low-gloss light-curing coatings of each embodiment according to...

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Abstract

The invention discloses a water-based low-gloss photocureable coating and a preparation method thereof. The coating is prepared from the following components: waterborne polyurethane acrylate comprises aliphatic polyurethane acrylate with low viscosity and six degrees of functionality, aliphatic polyurethane acrylate with three degrees of functionality and aliphatic polyurethane acrylate with twodegrees of functionality. A functional additive comprises a coating delustering agent, a dispersing agent, an antifoaming agent, a leveling agent and a photoinitiator. According to the coating, the cross-linking characteristic of the waterborne polyurethane acrylate, the hydrogen bond interaction between the waterborne polyurethane acrylate and a chain extender and the hard characteristic of fumedsilica in the coating delustering agent are used in cooperation to improve the mechanical strength, wear resistance, scratch resistance and water resistance of a coating film obtained after the waterborne coating is cured.

Description

【Technical field】 [0001] The invention relates to the technical field of polymer coatings, in particular to a water-based low-gloss light-curing coating and a preparation method thereof. 【Background technique】 [0002] The existing UV-curable coatings are basically oil-based coatings, that is, coatings that use oily solvents as the system. During the manufacturing process of this kind of coatings, the oily solvents are easy to volatilize, have a strong smell, and the paint film has a large shrinkage, and the paint film is brittle and difficult to extinction. Among them, ultra-low matte products also have defects such as high viscosity, easy to return to thick after repeated use, no leveling, and not easy to dry, which cannot meet market demand. The existing water-based UV-curable coatings on the market have low solid content. , Poor filling, easy whitening of paint film, not water resistant, easy to crack, easy to peel off paint, not resistant to scratches and other problems...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D7/42C09D7/48C09D7/80C08G18/10C08G18/48C08G18/34C08G18/32C08G18/67
CPCC08G18/0823C08G18/10C08G18/3228C08G18/348C08G18/4854C08G18/6692C08G18/677C09D175/14C09D7/42C09D7/48C09D7/70C09D7/80C08K7/26C08K5/3492C08G18/66
Inventor 徐庆
Owner 中山市鑫峰光固化材料有限公司
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