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Cured epoxy resin powder coating material

A technology for curing epoxy resin and powder coatings. It is applied in the field of powder coatings. It can solve the problems of easy generation of fine bubbles, poor physical properties, and inability to meet the needs of production and life, and achieve overall film stability, excellent mechanical properties, and good use. foreground effect

Inactive Publication Date: 2018-07-20
袁传江
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, its powder coating is composed of polyester resin, blocked isophor copper diisocyanate, benzoin and dibutyltin dilaurate. Its disadvantages are poor physical properties, poor covering effect, and easy generation of fine bubbles. Unable to meet electrical spraying and surface protection
That is, the existing powder coatings have poor coverage and cannot meet the needs of production and life.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A cured epoxy resin powder coating, comprising the following components by weight: 112-118 parts of bisphenol A epoxy resin, 10-11 parts of phenyl glycidyl ether, and 2-3 parts of ethylenediaminetetraacetic acid , 45-55 parts of aromatic hydrocarbon modified polyamine, 100-105 parts of talcum powder and 2-4 parts of colloidal silicon dioxide.

Embodiment 2

[0015] A cured epoxy resin powder coating, comprising the following components in proportion by weight: 120 parts of bisphenol A epoxy resin, 12 parts of phenyl glycidyl ether, 4 parts of ethylenediaminetetraacetic acid, aromatic hydrocarbon modified polymer 60 parts of amine, 110 parts of talcum powder and 5 parts of colloidal silicon dioxide.

Embodiment 3

[0017] A cured epoxy resin powder coating, comprising the following components by weight: 110 parts of bisphenol A epoxy resin, 9 parts of phenyl glycidyl ether, 1 part of ethylenediaminetetraacetic acid, aromatic hydrocarbon modified polymer 40 parts of amine, 90 parts of talc and 1 part of colloidal silicon dioxide.

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PUM

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Abstract

The invention discloses a cured epoxy resin powder coating material, which comprises, by weight, 110-120 parts of a bisphenol A type epoxy resin, 9-12 parts of phenyl glycidyl ether, 1-4 parts of ethylenediaminetetraacetic acid, 40-60 parts of aromatic hydrocarbon modified polyamine, 90-110 parts of talc powder, and 1-5 parts of colloidal silica, wherein the bisphenol A type epoxy resin has the epoxy equivalent of 180-190. According to the present invention, the cost of the cured epoxy resin powder coating material prepared according to the formula is reduced compared to the coating material in the prior art, the whole film layer is stable after the product is subjected to spray molding, and the good use prospect is provided.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to a cured epoxy resin powder coating. Background technique [0002] Powder coating is a new type of solvent-free 100% solid powder coating. It has the characteristics of no solvent, no pollution, recyclable, environmental protection, saving energy and resources, reducing labor intensity and high mechanical strength of the coating film. In the prior art, its powder coating is composed of polyester resin, blocked isophor copper diisocyanate, benzoin and dibutyltin dilaurate. Its disadvantages are poor physical properties, poor covering effect, and easy generation of fine bubbles. Unable to meet electrical spraying and surface protection. That is, the existing powder coatings have poor coverage and cannot meet the needs of production and life. Contents of the invention [0003] The technical problem to be solved by the present invention is to overcome the above-mentioned deficienci...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/03C09D7/61
CPCC09D163/00C08K3/34C08K3/36C09D5/033
Inventor 袁传江
Owner 袁传江
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