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UV-Heat Dual Curing Coatings

A dual-curing, ultraviolet light technology, applied in the field of coatings, can solve the problems of inability to cure in shadow areas, difficult curing of colored systems, and limitation of light wave transmittance in curing depth, achieving good deep curing effect, good deep curing effect, and resistance to cold and heat. good impact

Active Publication Date: 2015-08-19
苏州佩琦材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in use, it is found that there are three insurmountable defects in UV-curable coatings: ①The curing depth is limited by the light wave transmission ability; ②It is difficult to cure in colored systems; ③It cannot be cured in shadow areas that cannot be reached by ultraviolet light.

Method used

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  • UV-Heat Dual Curing Coatings

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Embodiment 1: A kind of UV-heat dual-curing coating is prepared from the following raw materials in mass percentage:

[0035] Hexafunctional Aliphatic Urethane Acrylate 12.5%

[0036] Difunctional aliphatic urethane acrylate with 15% PGDA 5%

[0037] Hydroxy Acrylic Resin 10%

[0038] Trimethylolpropane Triacrylate 4%

[0039] Tripropylene glycol diacrylate 3%

[0040] 1-Hydroxy-cycloethyl-phenyl ketone 1.4%

[0041] 2.4.6 Diphenyl phosphorus oxide 0.4%

[0042] Silicone leveling agent 0.4%

[0043] Silicone-containing defoamer 0.1%

[0044] Inert solvent 60%

[0045] Aliphatic urethane acrylate containing NCO groups 3.2%.

[0046] Wherein, the inert solvent is composed of diacetone alcohol, butyl ester and ethyl ester, and the mass ratio of diacetone alcohol, butyl ester and ethyl ester is 2:5:3.

Embodiment 2

[0047] Embodiment 2: A kind of UV-heat dual-curing coating is prepared from the following raw materials in mass percentage:

[0048] Hexafunctional Aliphatic Urethane Acrylate 15%

[0049] Difunctional aliphatic urethane acrylate with 15% PGDA 10%

[0050] Hydroxy Acrylic Resin 12.5%

[0051] Trimethylolpropane Triacrylate 8%

[0052] Tripropylene glycol diacrylate 6%

[0053] 1-Hydroxy-cycloethyl-phenyl ketone 3.5%

[0054] 2.4.6 Diphenyl phosphorus oxide 1%

[0055] Silicone leveling agent 0.6%

[0056] Silicone-containing defoamer 0.2%

[0057]Inert solvent 40%

[0058] Aliphatic urethane acrylate containing NCO groups 3.2%.

[0059] Wherein, the inert solvent is composed of diacetone alcohol, butyl ester and ethyl ester, and the mass ratio of diacetone alcohol, butyl ester and ethyl ester is 2:5:3.

Embodiment 3

[0060] Embodiment 3: A kind of UV-heat dual-curing coating is prepared from the following raw materials in mass percentage:

[0061] Hexafunctional Aliphatic Urethane Acrylate 12.5%

[0062] Difunctional aliphatic urethane acrylate with 15% PGDA 5%

[0063] Hydroxy Acrylic Resin 12.5%

[0064] Trimethylolpropane Triacrylate 10%

[0065] Tripropylene glycol diacrylate 7.5%

[0066] 1-Hydroxy-cycloethyl-phenyl ketone 1.75%

[0067] 2.4.6 Diphenyl phosphorus oxide 0.5%

[0068] Silicone leveling agent 0.2%

[0069] Silicone-containing defoamer 0.05%

[0070] Inert solvent 45%

[0071] Aliphatic urethane acrylate containing NCO groups 5%.

[0072] Wherein, the inert solvent is composed of diacetone alcohol, butyl ester and ethyl ester, and the mass ratio of diacetone alcohol, butyl ester and ethyl ester is 2:5:3.

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Abstract

The invention relates to the field of coatings and particularly discloses an ultraviolet-thermal curable coating. The ultraviolet-thermal curable coating is prepared from the following raw materials in percentage by weight: 17.5-25% of aliphatic polyurethane acrylate, 5-12.5% of hydroxy acrylic resin, 7-17.5% of reactive diluent, 1.8-4.5% of photoinitiator, 0.2-0.6% of leveling agent, 0.05-0.2% of defoamer, 40-60% of inert solvent and 2-5% of aliphatic polyurethane acrylate containing an NCO group. The ultraviolet-thermal curable coating provided by the invention has the advantages that 1. the curing depth is not limited by the light transmission capacity; 2. curing is easy to perform in a colored system; and 3. curing can be performed in a shadow zone at which ultraviolet rays can not arrive.

Description

technical field [0001] The invention relates to the field of coatings, in particular to an ultraviolet-heat dual-curing coating. Background technique [0002] UV-curable coatings have the characteristics of 5E, namely Efficient (high efficiency), Enabling (wide application), Economical (economical), Energy saving (energy saving), Environmental-friendly (environmental friendly), and have achieved rapid development and wide application in the field of modern coatings. application. However, in use, it is found that there are three insurmountable defects in UV-curable coatings: ①The curing depth is limited by the light wave transmission ability; ②It is difficult to cure in colored systems; ③It cannot be cured in shadow areas that cannot be reached by ultraviolet light. In order to effectively solve the three major defects and make the coating further meet the needs of the market, UV-heat dual-curing coatings have emerged. [0003] The patent of the present invention is a furth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D175/14C09D7/12
Inventor 陈新洪刘志兴
Owner 苏州佩琦材料科技有限公司
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