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Xanthochromia-resistant UV paint for external wall sheet material and preparation method of xanthochromia-resistant UV paint

A technology for yellowing resistance and sheet metal, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problems of slow drying, unenvironmental protection and poor performance of water-based coatings, and achieve good yellowing resistance, excellent water resistance, and good adhesion. focus effect

Inactive Publication Date: 2015-09-23
ZHUO DA NEW MATERIAL TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The exterior wall coatings currently used are basically divided into water-based coatings and solvent-based two-component curing coatings. Water-based coatings dry slowly and have poor performance; solvent-based coatings have high VOC content and are not environmentally friendly.

Method used

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  • Xanthochromia-resistant UV paint for external wall sheet material and preparation method of xanthochromia-resistant UV paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A kind of anti-yellowing UV paint, is made up of following raw material of percentage by weight:

[0041] Aliphatic polyurethane acrylate (Changxing 6106) 40%;

[0042] Acrylate (Changxing 6530B-40) 12%;

[0043] 1,6-hexanediol diacrylate (Changxing EM221) 15%;

[0044] Tripropylene glycol diacrylate (Changxing EM223) 15%;

[0045] 2-Hydroxy-2-methyl-1-phenyl-1-propanone 5%;

[0046] o-Hydroxybenzophenones 1%;

[0047] Leveling agent (BYK333) 1.0%;

[0048] Defoamer (BYK020) 0.5%;

[0049] Leveling control agent (EFKA5010) 0.5%;

[0050] Mix solvent 10%.

[0051] Add the aliphatic urethane acrylate, acrylate, reactive diluent, and solvent according to the above weight percentage into the container, stir thoroughly, then add the above weight percentage of auxiliary agent and photoinitiator, and fully stir.

Embodiment 2

[0053] A kind of anti-yellowing UV paint, is made up of following raw material of percentage by weight:

[0054] Aliphatic polyurethane acrylate (Changxing 6106) 30%;

[0055] Acrylate (Changxing 6530B-40) 20%;

[0056] 1,6-hexanediol diacrylate (cytec HDDA) 15%;

[0057] Trimethylol Triacrylate 15%;

[0058] Benzophenone 6%;

[0059] Salicylates 2%;

[0060] Leveling agent (BYK333) 1.0%;

[0061] Defoamer (BYK020) 0.5%;

[0062] Leveling control agent (EFKA5010) 0.5%;

[0063] Mix solvent 10%.

[0064] Add the aliphatic urethane acrylate, acrylate, reactive diluent, and solvent according to the above weight percentages into the container, stir well, then add the above weight percentages of additives and photoinitiators, and stir well to obtain a yellowing-resistant UV coating.

Embodiment 3

[0066] A kind of anti-yellowing UV paint, is made up of following raw material of percentage by weight:

[0067] Aliphatic urethane acrylate (Cytec EB284) 35%;

[0068] Acrylate (Cytec EB710) 10%;

[0069] 1,6-hexanediol diacrylate (cytec HDDA) 15%;

[0070] Tripropylene glycol diacrylate (Cytec TPGDA) 10%;

[0071] Benzoin Dimethyl Ether 6%;

[0072] Triazines 2%;

[0073] Leveling agent (BYK333) 1.0%;

[0074] Defoamer (BYK020) 0.5%;

[0075] Leveling control agent (EFKA5010) 0.5%;

[0076] Mix solvent 20%.

[0077] Add the aliphatic urethane acrylate, acrylate, reactive diluent, and solvent according to the above weight percentages into the container, stir well, then add the above weight percentages of additives and photoinitiators, and stir well to obtain a yellowing-resistant UV coating.

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Abstract

The invention provides a xanthochromia-resistant UV paint for an external wall sheet material, and a preparation method of the xanthochromia-resistant UV paint, wherein the xanthochromia-resistant UV paint has the properties of good water resistance, good alkali resistance, good washing resistance and good xanthochromia resistance. The xanthochromia-resistant UV paint for the external wall sheet material, disclosed by the invention, consists of the following raw materials in percentage by weight: 30%-40% of an aliphat polyurethane acrylic ester,10%-20% of an acrylic ester,10%-30% of a reactive diluent, 3%-6% of a photoinitiator, 0.1%-2% of a light stabilizer, 0.5%-2% of an auxiliary, and 10%-20% of a mixed solvent. The aliphat polyurethane acrylic ester adopts the polyurethane acrylic ester of which the functionality is 2-4; the acrylic ester is the pure acrylic ester.

Description

technical field [0001] The invention relates to a UV coating and a preparation method thereof, in particular to an anti-yellowing UV coating for exterior wall panels and a preparation method thereof. Background technique [0002] UV coatings are also called Ultra-Violet Ray curing coatings, which mainly cure the coatings to form films through the irradiation of ultraviolet lamps. The application range of ultraviolet wavelengths for industrial use is 200nm-450nm. UV coatings can be applied by roller coating and curtain coating. , spraying and other methods of coating, with low VOC, green environmental protection, fast curing, energy saving, easy industrialization and other advantages. [0003] The exterior wall coatings currently used are basically divided into water-based coatings and solvent-based two-component curing coatings. Water-based coatings dry slowly and have poor performance; solvent-based coatings have high VOC content and are not environmentally friendly. ...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D133/04C09D7/12
Inventor 孙凯周盾白邝清林郭立斌
Owner ZHUO DA NEW MATERIAL TECH GRP
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