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A technology of curing paint and UV light, applied in coatings, epoxy resin coatings, polyurea/polyurethane coatings, etc., can solve the problem of high cost, uncertain vibration and wear resistance, and RCA wear resistance test performance of UV-cured paint films. Poor and other problems, to achieve the effect of reducing product cost and excellent wear resistance test performance
Active Publication Date: 2011-08-03
HUNAN SOKAN NEW MATERIAL
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Abstract
Description
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Problems solved by technology
[0004] The present invention aims to provide a UV curable paint to solve the problems of high product cost, poor RC
Method used
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Embodiment 1
[0048] In Example 1, the parts by weight of the components of the UV-curable primer and topcoat are listed in Table 1 and Table 2.
[0049] The parts by weight of each component of primer in table 1 embodiment 1
[0050] Primer components
parts by weight
Difunctional Aliphatic Urethane Acrylic Resin
10
Difunctional epoxy acrylic resin
25
Trifunctional Acrylate Monomer
10
Trifunctional Acrylate Monomer
15
[0051] adhesion promoting resin
1
Photoinitiator α-Hydroxycyclohexylbenzophenone
5
leveling agent
0.01
ethyl acetate
19.9
Butyl acetate
12
Isopropanol
7
[0052] The parts by weight of each composition of finish paint in the embodiment 1 of table 2
[0053] Topcoat components
Embodiment 2
[0055] In Example 2, the parts by weight of each component of the UV-curable primer and topcoat are listed in Table 3 and Table 4.
[0056] The parts by weight of each component of primer in table 3 embodiment 2
[0057] Primer components
[0058] Difunctional epoxy acrylic resin
[0059] The parts by weight of each composition of finish paint in the embodiment 2 of table 4
[0060] Topcoat components
[0061] butanone
Embodiment 3
[0063] In Example 3, the parts by weight of each component of the UV-curable primer and top coat are listed in Table 5 and Table 6.
[0064] The parts by weight of each component of primer in table 5 embodiment 3
[0065] Primer components
[0066] The parts by weight of each composition of finish paint in the embodiment 3 of table 6
[0067] Topcoat components
[0068] ethyl acetate
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Abstract
The invention provides ultraviolet-cured paint, which comprises priming paint and finishing paint, wherein the priming paint comprises the following components in parts by weight: 10-20 parts of bifunctional aliphatic polyurethane acrylic resin, 15-25 parts of bifunctional epoxy acrylic resin, 1-6 parts of adhesion accelerating resin, 2-5 parts of photo initiator, 25-60 parts of diluent and 0.01-0.5 part of aid; and the finishing paint comprises the following components in parts by weight: 1-40 parts of high functional aliphatic polyurethane acrylic resin, 5-15 parts of bifunctional aliphatic polyurethane acrylic resin, 1-5 parts of adhesion accelerator, 1-5 parts of photo initiator, 20-60 parts of diluent and 0.2-2 parts of aid. A sample surface coated with the ultraviolet-cured paint provided by the invention is free from wear after more than 1,000 times of wearing tests in RCA wear resistance testing. After over 4 hours of shock and wear resistance testing, the wear area of the sample surface is smaller than 1 mm<2> or the diameter of a worn region is smaller than 1 mm.
Description
technical field [0001] The invention relates to the technical field of ultraviolet light curing paint, in particular to a wear-resistant ultraviolet light curing paint used for vacuum coating. Background technique [0002] In order to make the vacuum-coated coating smooth and have metallic luster and brightness, it is necessary to paint the surface to be coated before and after coating. The commonly used paint is UV-curable paint. Such as the UV curing paint mentioned in the CN101250339 patent, the top coat of the paint is composed of high-functional aliphatic urethane acrylate of 5-20% by weight, macromolecular resin of 10-30%, and difunctional aliphatic urethane acrylate of 5-20% by weight. ester, 10-20 trifunctional aliphatic urethane acrylate, 5-10 adhesion promoting resin, 1-5 photoinitiator, 20-60 diluent, 0.01-1 additive; the primer consists of Percentage of 5-30 difunctional aliphatic urethane acrylate, 10-40 epoxy acrylate, 5-25 trifunctional acrylate, 5-25 difunct...
Claims
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Application Information
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