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Water-based UV (ultraviolet) coating material

A coating and water-based technology, applied in the field of water-based UV coatings, can solve the problems of poor adhesion and low surface polarity of UV coatings

Inactive Publication Date: 2015-12-16
展辰新材料集团股份有限公司 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, plastics are non-porous materials, and the surface polarity is low, so the existing UV coatings have poor adhesion on the surface of plastic materials

Method used

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  • Water-based UV (ultraviolet) coating material
  • Water-based UV (ultraviolet) coating material
  • Water-based UV (ultraviolet) coating material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Prepare materials: 55 parts by weight of epoxy acrylate (XY-B-350, Suzhou Xingye Chemical Industry Co., Ltd.), 10 parts by weight of TMPTA, 13 parts by weight of NPGDA, 5 parts by weight of isopropanol, 5 parts by weight of n-butanol, 3 parts by weight of photoinitiator-TPO , 1 part by weight of modified polyurea (BYK-420, German BYK), 0.5 part by weight of leveling agent (HX-5600, Huaxia Auxiliary), 0.5 part by weight of defoamer (HX-5041, Huaxia Auxiliary), 2 parts by weight of phenoxydimethylsilane (HY-F4011, Guangzhou Hengyu Chemical Industry Co., Ltd.), and 5 parts by weight of water.

[0047] Mix the above-mentioned components together, and after mixing evenly, the water-based UV coating is obtained.

[0048] Spray or flow-coat this water-based UV paint on the surface of plastic materials (PP or PVC, with a smooth surface and a gloss of 50-90GS), with a spraying amount of 150g-250g / square meter, pass through a UV curing machine, and dry. After drying, place it fo...

Embodiment 2

[0054] Prepare materials: 50 parts by weight of epoxy acrylate (XY-B-350, Suzhou Xingye Chemical Industry Co., Ltd.), 10 parts by weight of TMPTA, 13 parts by weight of NPGDA, 5 parts by weight of isopropanol, 3 parts by weight of n-butanol, matting agent (OK-412, Degussa, Germany) 3 parts by weight, sodium polyhydroxylate (HX-5300, Huaxia Auxiliaries) 1 part by weight, modified polyurea (BYK-420, Bicker, Germany) 2 parts by weight, photoinitiator-TPO2. 5 parts by weight, 0.2 parts by weight of leveling agent (HX-5600, Huaxia Auxiliary), 0.3 parts by weight of defoamer (HX-5041, Huaxia Auxiliary), phenoxydimethylsilane (HY-F4011, Guangzhou Heng Yu chemical industry) 2 weight parts, water 8 weight parts.

[0055] Mix epoxy acrylate, TMPTA, NPGDA and sodium polyhydroxylate in the above raw materials, add matting agent after mixing, disperse at high speed until the fineness is ≤25μm, and finally add the remaining components in the raw materials, and stir evenly to obtain Water-b...

Embodiment 3

[0059] Material preparation: 40 parts by weight of epoxy acrylate (XY-B-350, Suzhou Xingye Chemical Industry), 8 parts by weight of TMPTA, 10 parts by weight of NPGDA, 5 parts by weight of isopropanol, 3 parts by weight of matting agent (OK-520, Degussa, Germany) Parts, 18 parts by weight of titanium dioxide (R-900 DuPont), 1 part by weight of sodium polyhydroxylate (HX-5320, Huaxia Auxiliaries), 2 parts by weight of modified polyurea (BYK-420, German BYK), photoinitiated Agent-TPO2.5 parts by weight, leveling agent (HX-5610, Huaxia Auxiliaries) 0.2 parts by weight, defoamer (HX-5041, Huaxia Auxiliaries) 0.3 parts by weight, phenoxydimethylsilane (HY- F4011, Guangzhou Hengyu Chemical) 2 parts by weight, water 8 parts by weight.

[0060]Mix epoxy acrylate, TMPTA, NPGDA and sodium polyhydroxylate in the above raw materials, add matting agent after mixing, disperse at high speed until the fineness is ≤25μm, and finally add the remaining components in the raw materials, and stir e...

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Abstract

The invention belongs to the field of a coating material, and particularly relates to a water-based UV (ultraviolet) coating material. The water-based UV coating material comprises the following components in parts by weight: 40 to 60 parts of epoxy acrylate; 10 to 20 parts of neopentyl glycol diacrylate (NPGDA); 1 to 3 parts of phenoxyl dimethylsilane; 10 to 25 parts of solvent; and 10 to 45 parts of additives. The epoxy-modified acrylate is used as a main body to be matched with NPGDA and phenoxyl dimethylsilane, so that the adhesive force of the coating material on the plastic surface can be remarkably improved. An experimental result shows that after the water-based UV coating material is cured on the plastic surface, the adhesive force reaches level I.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a water-based UV coating. Background technique [0002] Ultraviolet (UV) curing technology is a technology that uses ultraviolet or visible light as an energy source to trigger a chemically reactive liquid coating to rapidly transform into a solid state. Compared with traditional coating curing technology, UV curing technology has the advantages of energy saving, pollution-free, high efficiency, suitable for heat-sensitive substrates, and excellent performance. It is a rapidly developing "green" new technology. [0003] Plastics have been widely used in many daily life and industrial fields. For example, various plastics (ABS, PC, PA, etc.) are widely used in parts such as motorcycles, automobiles, mobile phones, and home appliances. In addition, many packaging materials and labels A large number of plastic substrates such as PE, PP, and PET are used. Due to the shortcomings of plastic ...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D7/12
Inventor 刘慧陈寿生
Owner 展辰新材料集团股份有限公司
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