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UV elastic self-repairing coating

A self-healing and elastic technology, applied in the field of coatings, can solve the problems of not showing elastic self-healing performance and sharp object scratch resistance, and achieve the effect of good elastic self-healing performance

Inactive Publication Date: 2016-06-29
威堡涂料(天津)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The performance of the coating composition does not reflect the elastic self-healing performance and the scratch resistance of sharp objects except for the abrasion resistance of the paper tape

Method used

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  • UV elastic self-repairing coating
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of UV elastic self-healing coating, is made up of following raw material by mass percentage: elastic photocurable resin 50%, photopolymerization monomer 10%, photoinitiator 2%, solvent 25.2%, auxiliary agent 12.8%, described elastic The photocurable resin is composed of 80% polyurethane acrylate unsaturated polymer, 10% tricyclic phenol alkane polyurethane elastic resin, and 10% tetraethylene bisphenol epoxy acrylic oligomer. The photoinitiator is composed of 1-hydroxy ring 40% of hexyl phenyl ketone, 60% of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, and the solvent is composed of 25% of ethylene glycol dimethyl propoxy ester, dimethylol dipropyl 75% ester, and the additives are composed of 92% silicon dioxide elastic powder and 8% BYK306 leveling agent;

[0021] A kind of UV elastic self-healing coating, the preparation steps are as follows:

[0022] A. Add 1-hydroxycyclohexyl phenyl ketone, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide in the mixing tank...

Embodiment 2

[0026] A UV elastic self-healing coating, composed of the following raw materials by mass percentage: 70% of elastic photocurable resin, 2% of photopolymerizable monomer, 1% of photoinitiator, 22.2% of solvent, 4.8% of auxiliary agent, the elastic The photocurable resin is composed of 60% of polyurethane acrylate unsaturated polymer, 25% of tricyclic phenol alkane polyurethane elastic resin, and 15% of tetraethylene bisphenol epoxy acrylic oligomer. The photoinitiator is composed of 1-hydroxy ring 40% of hexyl phenyl ketone, 60% of 2,4,6-trimethylbenzoyl-diphenylphosphine oxide, and the solvent consists of 50% of ethylene glycol dimethyl propoxy ester, dimethylol dipropyl 50% of ester, and the auxiliary agent is composed of 92% of silicon dioxide elastic powder and 8% of BYK306 leveling agent;

[0027] A kind of UV elastic self-healing coating, the preparation steps are as follows:

[0028] A. Add 1-hydroxycyclohexyl phenyl ketone, 2,4,6-trimethylbenzoyl-diphenylphosphine oxi...

Embodiment 3

[0032] A UV elastic self-healing coating, composed of the following raw materials by mass percentage: 67.45% elastic photocurable resin, 8% photopolymerizable monomer, 1.5% photoinitiator, 23% solvent, 0.05% auxiliary agent, the elastic The photocurable resin is composed of 70% polyurethane acrylate unsaturated polymer, 18% tricyclic phenol alkane polyurethane elastic resin, and 12% tetraethylene bisphenol epoxy acrylic oligomer. The photoinitiator is composed of 1-hydroxy ring Hexyl phenyl ketone 40%, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide 60%, the solvent is composed of ethylene glycol dimethyl propoxy ester 20%, dimethylol dipropyl 80% ester, and the additives are composed of 92% silicon dioxide elastic powder and 8% BYK306 leveling agent;

[0033] A kind of UV elastic self-healing coating, the preparation steps are as follows:

[0034] A. Add 1-hydroxycyclohexyl phenyl ketone, 2,4,6-trimethylbenzoyl-diphenylphosphine oxide in the mixing tank, use ethylene glycol d...

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Abstract

A UV elastic self-healing coating is composed of the following raw materials according to mass percentage: 50-70% of elastic photocurable resin, 2-10% of photopolymerizable monomer, 1-2% of photoinitiator, 22.2-25.2% of solvent, auxiliary 0.05‑15%, the prepared UV elastic self-healing coating can form a cross-linked network with both soft and hard segments after UV curing, and the elastic part is contributed by the elastic part of the elastic photocurable resin. The hard segment area is provided by the hard segment of the elastic photocurable resin, which ensures that the coating has good elastic self-healing properties and also has scratch resistance and wear resistance.

Description

technical field [0001] The invention belongs to the technical field of coatings, in particular to a UV elastic self-repairing coating. Background technique [0002] Coating is a chemical product with convenient construction, low price, remarkable effect and high added value. It not only reduces wear and prolongs the life of the coated article, but also plays a role in aesthetic modification and enjoyment of beauty. With the development of science and technology With the continuous progress and development, coatings have gradually become highly specialized chemical products in various fields. [0003] With the increase of people's demand for electronic products, there is fierce competition among major electronic manufacturers. The competition goal is not limited to the diversification of product functions, but also pays more attention to the appearance of the product and the wear resistance of the surface material, which is not easy to scratch. . Therefore, electronics manu...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12
CPCC09D175/14C08L2205/025C09D7/61C09D7/65
Inventor 王庭福
Owner 威堡涂料(天津)有限公司
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