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White finish coat photocurable UV (ultraviolet) paint and preparation method thereof

A light-curing and topcoating technology, applied in epoxy resin coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of poor adhesion, low paint gloss, poor leveling, etc., to achieve good transparency, anti- Good sinking performance and excellent leveling effect

Active Publication Date: 2013-04-10
AODA KOALA PAINT HUIZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the coating still has problems such as low gloss, poor leveling, and poor adhesion.

Method used

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  • White finish coat photocurable UV (ultraviolet) paint and preparation method thereof
  • White finish coat photocurable UV (ultraviolet) paint and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] A kind of white top coat photocuring UV coating, calculated in weight percent:

[0016] Amine modified epoxy resin (light curing): 40%

[0017] Aliphatic polyurethane resin (light curing): 20%

[0018] 2-Hydroxy-2-methyl-phenylacetone (photoinitiator): 2.5%

[0019] Diphenylphosphine oxide (photoinitiator): 0.5%

[0020] Modified polyurethane polymer (dispersant): 0.6%

[0021] Polysiloxane polyether copolymer (leveling agent): 0.4%

[0022] Titanium dioxide (TiO 2 ) (titanium dioxide): 10%

[0023] 1,6-Hexanediol diacrylate (reactive diluent): 12%

[0024] Trimethylolpropane Triacrylate (reactive diluent): 14%

[0025] The preparation method is as follows:

[0026] A. Add 40% amine-modified epoxy resin and aliphatic polyurethane into the paint-making tank, put in the modified polyurethane high polymer dispersant under the condition of stirring, and stir evenly.

[0027] B. Add titanium dioxide under the condition of stirring, and after stirring evenly, pass th...

Embodiment 2

[0039] A kind of white top coat photocuring UV coating, calculated in weight percent:

[0040] Amine modified epoxy resin (light curing): 35%

[0041] Aliphatic polyurethane resin (light curing): 25%

[0042] 2-Hydroxy-2-methyl-phenylacetone (photoinitiator): 2.5%

[0043] Diphenylphosphine oxide (photoinitiator): 0.5%

[0044] Modified polyurethane polymer (dispersant): 0.6%

[0045] Polysiloxane polyether copolymer (leveling agent): 0.4%

[0046]Titanium dioxide (TiO 2 ) (titanium dioxide): 10%

[0047] 1,6-Hexanediol diacrylate (reactive diluent): 12%

[0048] Trimethylolpropane Triacrylate (reactive diluent): 14%

[0049] The preparation method is as follows:

[0050] A. Add 40% amine-modified epoxy resin and aliphatic polyurethane into the paint-making tank, put in the modified polyurethane high polymer dispersant under the condition of stirring, and stir evenly.

[0051] B. Add titanium dioxide under the condition of stirring, and after stirring evenly, pass thr...

Embodiment

[0061] A kind of white top coat photocuring UV coating, calculated in weight percent:

[0062] Amine-modified epoxy resin (light curing): 28%

[0063] Aliphatic polyurethane resin (light curing): 32%

[0064] 2-Hydroxy-2-methyl-phenylacetone (photoinitiator): 2.5%

[0065] Diphenylphosphine oxide (photoinitiator): 0.5%

[0066] Modified polyurethane polymer (dispersant): 0.6%

[0067] Polysiloxane polyether copolymer (leveling agent): 0.4%

[0068] Titanium dioxide (TiO 2 ) (titanium dioxide): 10%

[0069] 1,6-Hexanediol diacrylate (reactive diluent): 12%

[0070] Trimethylolpropane Triacrylate (reactive diluent): 14%

[0071] The preparation method is as follows:

[0072] A. Add 40% amine-modified epoxy resin and aliphatic polyurethane into the paint-making tank, put in the modified polyurethane high polymer dispersant under the condition of stirring, and stir evenly.

[0073] B. Add titanium dioxide under the condition of stirring, and after stirring evenly, pass th...

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Abstract

The invention belongs to the field of chemical industry, and particularly discloses white finish coat photocurable UV (ultraviolet) paint and a preparation method thereof. The photocurable UV paint comprises the following components in percentage by weight: 20-60% of epoxy acrylate, 20-60% of polyurethane acrylate, 2-5% of phenyl acetone photoinitiator, 0.2-1% of diphenyl phosphine oxide photoinitiator, 0.2-1% of dispersant, 0.2-1% of leveling agent, 1-40% of titanium white TiO2, 5-15% of two-functional-group reactive diluent and 5-30% of three-functional-group reactive diluent. The paint has the characteristics of favorable gloss, adhesive force and leveling property, thus ensuring that the white UV paint can be better applied.

Description

technical field [0001] The invention relates to the technical field of chemical engineering, more specifically, the invention relates to a white top coat photocurable UV coating and a preparation method thereof. Background technique [0002] Light-curing UV coating products can be applied to the surface of various substrates: paper, wood, stone, leather, ceramics, metal, glass, plastic, concrete, etc., especially for some heat-sensitive materials. Photocuring technology is a high-efficiency, environmental, energy-saving, and high-quality material surface treatment technology. It uses ultraviolet light to trigger rapid polymerization and crosslinking of chemically active liquid materials, and instantly solidifies into solid materials. It basically does not contain volatile solvents (VOC ), so it will not cause air pollution, harm to human body and fire hazard. Photocuring only requires radiation energy for photoinitiators, unlike thermal curing or volatile coatings that have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D175/14C09D7/12
Inventor 陈磊袁进松陈日云
Owner AODA KOALA PAINT HUIZHOU
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