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Water-based UV-curable coating, and preparation method and application method thereof

A curing coating, water-based technology, applied in antifouling/underwater coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of less surface modification of optical plastics, poor heat resistance of plastics, and strict requirements , to achieve excellent substrate lubrication and leveling performance, low VOC, excellent leveling effect

Inactive Publication Date: 2019-09-20
深圳市嘉卓成科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The film layer plated by physical method is uniform and dense, but the equipment is complicated, the conditions are strict, and the heat resistance of plastic is poor, so it is rarely used in the surface modification of optical plastics.

Method used

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  • Water-based UV-curable coating, and preparation method and application method thereof
  • Water-based UV-curable coating, and preparation method and application method thereof
  • Water-based UV-curable coating, and preparation method and application method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] A kind of water-based UV curable paint, described water-based UV curable paint comprises the raw material of following weight portion:

[0062]

[0063]

[0064] The acrylate oligomer is composed of a hexafunctional aliphatic urethane acrylate oligomer, a four-functional aliphatic urethane acrylate oligomer and a difunctional aliphatic urethane acrylate oligomer in a weight ratio of 1.5:1:1 The mixture; the acrylate monomer is composed of isodecyl acrylate, propoxylated neopentyl glycol diacrylate, trimethylolpropane trimethacrylate and dipentaerythritol pentaacrylate in a weight ratio of 1:1.4: A mixture composed of 0.5:0.4.

[0065] The water-based leveling agent is composed of polyether-modified polydimethylsiloxane, alkyl-modified organosiloxane and polyacrylate leveling agent containing epoxy functional groups in a weight ratio of 1.4:2:1. mixture; the photoinitiator is composed of 1-hydroxycyclohexyl phenyl ketone, 2,2-dimethoxy-1,2-diphenylethanone and 2-h...

Embodiment 2

[0089] A kind of water-based UV curable paint, described water-based UV curable paint comprises the raw material of following weight portion:

[0090]

[0091]The acrylate oligomer is composed of a hexafunctional aliphatic urethane acrylate oligomer, a four-functional aliphatic urethane acrylate oligomer and a difunctional aliphatic urethane acrylate oligomer in a weight ratio of 1.8:1:1.2 The mixture; the acrylate monomer is composed of isodecyl acrylate, propoxylated neopentyl glycol diacrylate, trimethylolpropane trimethacrylate and dipentaerythritol pentaacrylate in a weight ratio of 1:1.6: 0.8: 0.5 composition mixture.

[0092] The water-based leveling agent is composed of polyether-modified polydimethylsiloxane, alkyl-modified organosiloxane and polyacrylate leveling agent containing epoxy functional groups at a weight ratio of 1.6:2.5:1 mixture; the photoinitiator is composed of 1-hydroxycyclohexyl phenyl ketone, 2,2-dimethoxy-1,2-diphenylethanone and 2-hydroxy-2-me...

Embodiment 3

[0116] A kind of water-based UV curable paint, described water-based UV curable paint comprises the raw material of following weight portion:

[0117]

[0118] The acrylate oligomer is composed of a hexafunctional aliphatic urethane acrylate oligomer, a four-functional aliphatic urethane acrylate oligomer and a difunctional aliphatic urethane acrylate oligomer in a weight ratio of 2:1:1.5 The mixture; the acrylate monomer is composed of isodecyl acrylate, propoxylated neopentyl glycol diacrylate, trimethylolpropane trimethacrylate and dipentaerythritol pentaacrylate in a weight ratio of 1:1.8: A mixture of 1:0.6 composition.

[0119] The water-based leveling agent is composed of polyether-modified polydimethylsiloxane, alkyl-modified organosiloxane and polyacrylate leveling agent containing epoxy functional groups in a weight ratio of 1.8:3:1. mixture; the photoinitiator is composed of 1-hydroxycyclohexyl phenyl ketone, 2,2-dimethoxy-1,2-diphenylethanone and 2-hydroxy-2-me...

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Abstract

The invention relates to the technical field of chemical coatings, specifically to a water-based UV-curable coating, and a preparation method thereof and an application method thereof. The water-based UV-curable coating comprises the following raw materials by weight: 25-45 parts of an acrylate oligomer, 20-40 parts of acrylate monomers, 2-6 parts of a water-based leveling agent, 1-5 parts of a photoinitiator, and 30-50 parts of deionized water. The water-based UV-curable coating of the invention solves the problems that optical plastics have low surface tension and the surfaces of the optical plastics are inert and are unfavorable for adhesion of conventional coatings; the coating of the invention has good adhesion and excellent leveling performance; a formed paint film has a variety of excellent performances such as water resistance, high temperature resistance and temperature shock resistance; and the coating of the invention can be widely applied to the coating of optical plastics such as PMMA and PC that require high transparency.

Description

technical field [0001] The invention relates to the technical field of chemical coatings, in particular to a water-based UV curable coating and a preparation method and application method thereof. Background technique [0002] The chemical name of PMMA is polymethyl methacrylate, and its common name is acrylic and plexiglass. Because it has the advantages of light weight, low price, easy molding and high transparency, the light transmittance is over 92%, and it is the plastic with the best optical performance, followed by PC plastic. [0003] For optical plastics, it has been widely used in recent years due to its advantages of good impact resistance, low density, low price, and easy processing and molding, but the disadvantages of poor wear resistance, heat resistance, moisture resistance, and solvent resistance are serious. It limits the development of its products to higher grades. Redesigning the molecular structure to overcome these shortcomings is of course the funda...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D5/14C09D7/63C09D7/65C09D7/61B05D7/02B05D7/24
CPCB05D7/02B05D7/24C08K2003/0806C08K2003/2241C08K2201/011C08L2205/025C08L2205/035C09D5/14C09D175/14C09D7/61C09D7/63C09D7/65C08L75/14C08L71/02C08K13/02C08K3/08C08K3/22C08K5/20C08K5/103
Inventor 戴国亮廖华丘远东李中隆宋良伟陈海果
Owner 深圳市嘉卓成科技发展有限公司
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