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UV-curable low-shrinkage environment-friendly coating

An environmentally friendly coating, low shrinkage technology, applied in coatings and other directions, can solve the problems of limited application and poor compatibility, and achieve the effects of strong sunscreen ability, convenient manufacturing, and improved anti-aging properties

Inactive Publication Date: 2015-09-30
CHENGDU NASHUO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Many hydroxyl groups and ether bonds contained in the epoxy resin structure make the coating film have good adhesion to polar substrates such as metal, ceramics, glass, concrete, wood, etc. The compatibility is not good, and it needs to be used with epoxy curing agent, which limits the application of high relative molecular weight epoxy resin in one-component acrylic resin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A UV-curable low-shrinkage environmental-friendly coating is composed of the following raw materials in parts by mass: 15 parts of maleic anhydride, 40 parts of cycloethyl methacrylate, 15 parts of methyl methacrylate, 9 parts of epoxy resin, 20 parts of ethyl silicate, 5 parts of sodium dodecyl sulfonate, 15 parts of solvent, 0.5 parts of wetting agent, 3 parts of dispersing agent, 2 parts of leveling agent, 1 part of photoinitiator, 2 parts of anti-skinning agent , 1 part of white carbon black, 2 parts of asbestos powder.

Embodiment 2

[0024] A UV-curable low-shrinkage environmental protection coating, which is composed of the following raw materials in parts by mass: 17 parts of maleic anhydride, 45 parts of cycloethyl methacrylate, 17 parts of methyl methacrylate, 11 parts of epoxy resin, 22 parts of ethyl silicate, 7 parts of sodium dodecyl sulfonate, 18 parts of solvent, 1 part of wetting agent, 4 parts of dispersing agent, 3 parts of leveling agent, 2 parts of photoinitiator, 3 parts of anti-skinning agent , white carbon black 2 parts, asbestos powder 3 parts.

Embodiment 3

[0026] A UV-curable low-shrinkage environmental protection coating, which is composed of the following raw materials in parts by mass: 20 parts of maleic anhydride, 50 parts of cycloethyl methacrylate, 21 parts of methyl methacrylate, 13 parts of epoxy resin, 25 parts of ethyl silicate, 10 parts of sodium dodecyl sulfonate, 20 parts of solvent, 1.2 parts of wetting agent, 5 parts of dispersing agent, 4 parts of leveling agent, 3 parts of photoinitiator, 5 parts of anti-skinning agent , 4 parts of white carbon black, 4 parts of asbestos powder.

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PUM

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Abstract

The invention discloses a UV-curable low-shrinkage environment-friendly coating, and belongs to the field of coatings, in particular to the field of UV-curable coatings. The UV-curable low-shrinkage environment-friendly coating comprises the following raw materials: cis-butenedioic anhydride, cyclohexanol methacrylate, methyl methacrylate, epoxy resin, tetraethyl orthosilicate, sodium dodecyl sulfonate, a solvent, a wetting agent, a dispersant, a leveling agent, a photoinitiator, an anti-skimming agent, white carbon black and asbestos dust. The curing product of the coating is excellent in performance, and a sample obtained after curing has excellent adhesion, scratch resistance and anti-fouling performance.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to the field of UV-cured water-based coatings. Background technique [0002] Acrylic resin coatings have developed into a type of coating with the most types and the most comprehensive performance. Acrylic resin coatings have the advantages of short drying time, good flexibility, light color, excellent gloss and color retention and outdoor weather resistance, but the general one-component acrylic resin coatings have poor adhesion to special substrates, and to a certain extent limits its application. Epoxy resin is one of the most important varieties of coating resins. The aromatic ring in the molecular structure endows the coating with good hardness and chemical resistance, while the ether bond facilitates the rotation of the molecular chain and makes the coating have a certain degree of flexibility. . Many hydroxyl groups and ether bonds contained in the epoxy resin structure make the co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/02C09D4/06C09D7/12
Inventor 黄波
Owner CHENGDU NASHUO TECH
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