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Waterborne polyurethane ultraviolet curing coating and preparation method thereof

A technology of water-based polyurethane and curing coatings, applied in the field of coatings, can solve the problems of low solid content of water-based coatings, easy high-temperature back-sticking, high viscosity, etc., and achieve good low-temperature film-forming properties, simple construction, and good filling properties

Inactive Publication Date: 2017-05-31
中山市鑫峰光固化材料有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] At present, traditional solvent-based coatings, traditional UV coatings, and water-based coatings are mainly used in the market, but most of them have some defects. For example, solvent-based coatings contain organic solvents, which have a lot of odor, and the residual solvents evaporate for a long time, which will harm the human body and pollute the environment. UV-curable coatings contain a certain amount of active diluent, which has an odor, high humidity when drying, large surface shrinkage, poor adhesion, high viscosity, and organic solvents during spraying. The construction is limited by the shape of the profile, and thick coating is easy to crack or Does not dry back to white, but water-based coatings have low solid content, slow drying, easy to stick back at high temperature, crack at low temperature, scratch resistance, stain resistance, poor chemical resistance

Method used

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  • Waterborne polyurethane ultraviolet curing coating and preparation method thereof
  • Waterborne polyurethane ultraviolet curing coating and preparation method thereof
  • Waterborne polyurethane ultraviolet curing coating and preparation method thereof

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Embodiment Construction

[0029] The present invention will be further described below in conjunction with specific embodiment:

[0030] A kind of water-based polyurethane UV-curable coating, by weight component, its formula consists of:

[0031]

[0032]

[0033] In the above-mentioned embodiment 1, the water-based wax slurry is oxidized polyethylene wax, the dispersant is obtained by compounding polyethylene glycol and propylene glycol methyl ether, the thickener is polyoxypropylene glycol, and the photoinitiator is phenyldimethyl Benzoyl oxophosphorus.

[0034] In the above-mentioned embodiment 2, the water-based wax paste is modified polyethylene wax, the dispersant is obtained by compounding triethanolamine and propylene glycol methyl ether, the thickener is polyoxypropylene triol, and the photoinitiator is phenyltrimethylbenzene Formyl oxophosphorus.

[0035] In the above-mentioned embodiment 3, the water-based wax paste is polytetrafluoroethylene wax, the dispersant is obtained by compou...

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Abstract

The invention discloses a waterborne polyurethane ultraviolet curing coating and a preparation method thereof. The waterborne polyurethane ultraviolet curing coating is prepared from the following substances in parts by weight: 28 to 38 parts of waterborne aliphatic polyurethane acrylate, 30 to 40 parts of waterborne acrylic resin, 3 to 5 parts of waterborne wax liquor, 3 to 5 parts of silicon dioxide, 1 to 3 parts of filler talcum powder, 0.1 to 0.3 part of defoaming agent, 0.1 to 0.3 part of flatting agent,0.1 to 0.3 part of dispersing agent, 0.1 to 0.3 part of anti-settling agent, 0.1 to 0.3 part of thickening agent, 0.1 to 0.3 part of PH (Potential of Hydrogen) regulator, 2 to 3 parts of photoinitiator and 16 to 18 parts of water. The invention provides the waterborne polyurethane ultraviolet curing coating. The invention also provides the preparation method of the waterborne polyurethane ultraviolet curing coating.

Description

[0001] 【Technical field】 [0002] The invention relates to a water-based polyurethane ultraviolet light curing coating and a preparation method thereof, belonging to the technical field of coatings. [0003] 【Background technique】 [0004] At present, traditional solvent-based coatings, traditional UV coatings, and water-based coatings are mainly used in the market, but most of them have some defects. For example, solvent-based coatings contain organic solvents, which have a lot of odor, and the residual solvents evaporate for a long time, which will harm the human body and pollute the environment. UV-curable coatings contain a certain amount of active diluent, which has an odor, high humidity when drying, large surface shrinkage, poor adhesion, high viscosity, and organic solvents during spraying. The construction is limited by the shape of the profile, and thick coating is easy to crack or It does not turn white after drying, but the water-based paint has low solid content, s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D133/00C09D175/14C09D7/12C09D7/00
CPCC09D133/00C08L2201/08C08L2205/035C09D5/18C09D7/20C09D7/61C09D7/63C09D7/65C09D175/14C08L33/00C08L23/30C08K13/02C08K3/36C08K3/34C08L23/06C08L75/14C08L27/18
Inventor 徐庆
Owner 中山市鑫峰光固化材料有限公司
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