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A kind of low-energy curing ultraviolet light curing coating and preparation method thereof

A technology of curing coatings and ultraviolet light, applied in polyester coatings, epoxy resin coatings, coatings, etc., can solve problems such as not being well applied, and achieve excellent wettability, low cost, and flexible paint film. Effect

Inactive Publication Date: 2018-08-24
HUNAN JINHAI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, ordinary UV coating products used on flat wooden workpieces cannot be well applied in the above situations, and it is necessary to develop a product cured with low ultraviolet light energy

Method used

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  • A kind of low-energy curing ultraviolet light curing coating and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The low-energy curing UV-curable coating of the present embodiment, the raw material weight percent in its formula is as follows:

[0042] Modified multifunctional polyester acrylate: 35%

[0043] Modified Epoxy Acrylate 10%

[0044] Modified Pentaerythritol Acrylate 20%

[0045] TPGDA 10%

[0046] Wetting and dispersing agent 0.5%

[0047] Clear Talc 15%

[0048] Photoinitiator 1 4%

[0049] Photoinitiator 2 1%

[0050] Photoinitiator 3 4%

[0051] Leveling agent 0.5%.

[0052] The above-mentioned modified polyester acrylate adopts HY-218 sold by our company;

[0053] The above-mentioned modified epoxy acrylate resin adopts Jiangsu Sanmu SM-6109D;

[0054] The above-mentioned modified pentaerythritol triacrylate adopts Wuxi Huihong L-300;

[0055] The above wetting and dispersing agent uses BYK 164;

[0056] Above-mentioned transparent talcum powder is the 1250# talcum powder of Longsheng;

[0057] Above-mentioned photoinitiator 1 is 2-hydroxyl-2-methyl-1-p...

Embodiment 2

[0060] The low-energy curing UV-curable coating of the present embodiment, the raw material weight percent in its formula is as follows:

[0061] Modified multifunctional polyester acrylate: 30%

[0062] Modified Epoxy Acrylate 14%

[0063] Modified Pentaerythritol Triacrylate 22%

[0064] TPGDA 12%

[0065] Wetting and dispersing agent 0.5%

[0066] Clear Talc 12%

[0067] Photoinitiator 1 4%

[0068] Photoinitiator 2 1%

[0069] Photoinitiator 3 4%

[0070] Leveling agent 0.5%.

[0071] The above-mentioned modified polyester acrylate adopts HY-218 sold by our company;

[0072] The above-mentioned modified epoxy acrylate resin adopts Jiangsu Sanmu SM-6109D;

[0073] The above-mentioned modified pentaerythritol triacrylate adopts Wuxi Huihong L-300;

[0074] The above wetting and dispersing agent uses BYK 164;

[0075] Above-mentioned transparent talcum powder is the 1250# talcum powder of Longsheng;

[0076] Above-mentioned photoinitiator 1 is 2-hydroxyl-2-methyl-...

Embodiment 3

[0079] The low-energy curing UV-curable coating of the present embodiment, the raw material weight percent in its formula is as follows:

[0080] Modified multifunctional polyester acrylate: 25%

[0081] Modified Epoxy Acrylate 15%

[0082] Modified Pentaerythritol Triacrylate 25%

[0083] TPGDA 15%

[0084] Wetting and dispersing agent 0.5%

[0085] Clear Talc 10%

[0086] Photoinitiator 1 4%

[0087] Photoinitiator 2 1%

[0088] Photoinitiator 3 4%

[0089] Leveling agent 0.5%.

[0090] The above-mentioned modified polyester acrylate adopts HY-218 sold by our company;

[0091] The above-mentioned modified epoxy acrylate resin adopts Jiangsu Sanmu SM-6109D;

[0092] The above-mentioned modified pentaerythritol triacrylate adopts Wuxi Huihong L-300;

[0093] The above wetting and dispersing agent uses BYK 164;

[0094] Above-mentioned transparent talcum powder is the 1250# talcum powder of Longsheng;

[0095] Above-mentioned photoinitiator 1 is 2-hydroxyl-2-methyl-...

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Abstract

The invention discloses an ultraviolet curable coating for low energy curing and a preparation method of the ultraviolet curable coating. The ultraviolet curable coating consists of the following raw materials in percentage by weight: 25-30% of modified polyfunctionality polyester acrylic ester, 10-15% of modified epoxy acrylate, 20-25% of modified pentaerythritol acrylic ester, 15-20% of TPGDA, 0.3-1.0% of a wetting dispersant, 10-15% of transparent talcum powder, 2-4% of a photoinitiator 1, 1-3% of a photoinitiator 2, 2-4% of a photoinitiator 3 and 0.3-0.5% of a leveling agent. The preparation method comprises the following steps: mixing the modified polyfunctionality polyester acrylic ester, modified epoxy acrylate, modified pentaerythritol acrylic ester and TPGDA, stirring to disperse, further adding the photoinitiators 1, 2 and 3 and the wetting dispersant, feeding the transparent talcum powder, and dispersing, thereby obtaining a product coating. An expected curing degree can be achieved for the ultraviolet curable coating disclosed by the invention by virtue of 40-80mj / m<2> of ultraviolet energy, so that the energy for curing a coating is greatly reduced, the construction efficiency can be improved, and the probability of quality defects on the backlight side of an irregular workpiece can be reduced.

Description

technical field [0001] The content of the present invention relates to the field of ultraviolet light curing materials, in particular to the technology of ultraviolet light curing wood paint, especially to a kind of low ultraviolet light energy curing wood paint and its preparation method. Background technique [0002] Traditional wood coatings mainly include oily coatings such as polyurethane coatings (PU), polyester coatings (PE) and nitro coatings (NC). With the continuous innovation of coating industry technology, ultraviolet (UV) curing coatings and water-based coatings have been developed after the above-mentioned traditional oil-based coatings, especially the application range of UV-curing coatings is becoming wider and wider. UV coatings have significant characteristics such as high solid content, fast curing, low emission, less pollution, assembly line production, and excellent paint film performance. Therefore, it has developed rapidly in my country in only a few d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D167/06C09D163/10C09D7/61
Inventor 刘立新王石青李祥万欢
Owner HUNAN JINHAI SCI & TECH
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