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Ultraviolet light solidified water born paint in use for leather or leatheroid

A water-based coating, artificial leather technology, applied in polyurea/polyurethane coatings, coatings, textiles and papermaking, etc., to achieve smooth coating, good feel and good elasticity

Inactive Publication Date: 2005-11-16
湖南亚大新材料科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The application of water-based light-curing system on leather and artificial leather has not been reported so far

Method used

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  • Ultraviolet light solidified water born paint in use for leather or leatheroid
  • Ultraviolet light solidified water born paint in use for leather or leatheroid
  • Ultraviolet light solidified water born paint in use for leather or leatheroid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Waterborne Aromatic Urethane Acrylate (A-1) 35%

[0039] Ethoxylated Trimethylolpropane Triacrylate 6%

[0040] Deionized water 55%

[0041] 4'-(2-Hydroxyethoxy)-2-hydroxy-2-methylpropiophenone 4%

[0042] After mixing the above-mentioned components in proportion, stir at 40-50°C for about 0.5 hours, filter with a 200-mesh filter cloth and pack, then the UV-curable leather or artificial leather water-based coating of the present invention is obtained. Spray the coating on artificial PU leather, level it at 50°C for 3 minutes, and measure its performance after being cured by ultraviolet light. The results are shown in Table 1.

Embodiment 2

[0044] Waterborne Aromatic Urethane Acrylate (A-1) 40%

[0045] Polyethylene Glycol Acrylate 5%

[0046] Deionized water 50%

[0047] 4'-(2-Hydroxyethoxy)-2-hydroxy-2-methylpropiophenone 5%

[0048] The sample preparation method is the same as in Example 1, and the properties of the coating film are shown in Table 1.

Embodiment 3

[0050] Waterborne Aliphatic Urethane Acrylate (A-2) 48%

[0051]Deionized water 45%

[0052] 4'-(2-Hydroxyethoxy)-2-hydroxy-2-methylpropiophenone 5%

[0053] 1-Hydroxy-1-cyclohexylbenzophenone 2%

[0054] The sample preparation method is the same as in Example 1, and the properties of the coating film are shown in Table 1.

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PUM

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Abstract

An ultraviolet solidified water paint for leather and artificial leather contains proportionally aqueous aliphatic or aromatic polyurethane acrylate, aquous acrylate, deionized water and optical trigger.

Description

technical field [0001] The invention belongs to the water-based photocurable paint in the field of chemical industry, in particular to an ultraviolet light-curable leather or artificial leather water-based paint used in industries such as leather or artificial leather processing. Background technique [0002] The traditional surface treatment of leather and artificial leather includes solvent-based one-component polyurethane and two-component polyurethane. The solid content is generally 30-40%, which causes great pollution to the environment. Leather treated with one-component polyurethane has simple construction and fast drying speed, but the coating film has poor solvent resistance, corrosion resistance and abrasion resistance; two-component polyurethane has better overall performance, but slow drying time and low production efficiency , The application of water-based polyurethane system to treat the surface of leather and artificial leather is a ne...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14
Inventor 梁亮胡辉梁逸增伍松
Owner 湖南亚大新材料科技股份有限公司
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