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Pure epoxy powder coating material

An epoxy powder and coating technology, applied in powder coatings, epoxy resin coatings, anti-corrosion coatings, etc., 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 the stability of the overall film layer , excellent mechanical properties and good prospects for use

Inactive Publication Date: 2018-07-20
徐益禄
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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 pure epoxy powder coating, comprising the following components by weight: 100 parts of epoxy resin, 12 parts of curing agent, 2 parts of leveling agent, 3 parts of high gloss wax, 6 parts of flame retardant, 4 parts of silicon carbide , 2 parts of color masterbatch and 4 parts of antioxidant, the epoxy resin is bisphenol A epoxy resin, its epoxy equivalent is 1400~2500g / eq, and the antioxidant is N,N'-disecondary Butyl p-phenylenediamine

Embodiment 2

[0015] A pure epoxy powder coating, comprising the following components by weight: 110 parts of epoxy resin, 15 parts of curing agent, 2.5 parts of leveling agent, 5 parts of high gloss wax, 7 parts of flame retardant, 6 parts of silicon carbide , 2.5 parts of color masterbatch and 6 parts of antioxidant, the epoxy resin is bisphenol A epoxy resin, its epoxy equivalent is 1400~2500g / eq, and the antioxidant is N,N'-disecondary Butyl-p-phenylenediamine.

Embodiment 3

[0017] A pure epoxy powder coating, comprising the following components by weight: 120 parts of epoxy resin, 18 parts of curing agent, 3 parts of leveling agent, 6 parts of high-gloss wax, 8 parts of flame retardant, and 8 parts of silicon carbide , 3 parts of color masterbatch and 9 parts of antioxidant, the epoxy resin is bisphenol A type epoxy resin, its epoxy equivalent is 1400~2500g / eq, and the described antioxidant is N,N'-disecondary Butyl-p-phenylenediamine.

[0018] During the preparation of pure epoxy powder coating of the present invention, S1: take bisphenol A type epoxy resin, curing agent, leveling agent by weight, pulverize respectively and mix by mixer to obtain compound A; S2: Weigh high-gloss wax, flame retardant, silicon carbide and N,N'-di-sec-butyl-p-phenylenediamine in parts by weight, mix them evenly through a mixer, and keep warm at a constant temperature of 35-45 degrees for 0.5 hours to obtain a mixture B;

[0019] S3: Mix the mixture A and the mixt...

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PUM

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Abstract

The invention discloses a pure epoxy powder coating material, which comprises, by weight, 100-120 parts of an epoxy resin, 12-18 parts of a curing agent, 2-3 parts of a leveling agent, 3-6 parts of high-gloss wax, 6-8 parts of a flame retardant, 4-8 parts of silicon carbide, 2-3 parts of color masterbatch, and 4-9 parts of an antioxidant, wherein the epoxy resin is a bisphenol A type epoxy resin and has the epoxy equivalent of 1400-2500 g / eq, and the antioxidant is N,N'-di-sec-butyl p-phenylenediamine. According to the present invention, the cost of the pure epoxy 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 isprovided.

Description

technical field [0001] The invention relates to the field of powder coatings, in particular to a pure epoxy 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 deficiencies and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/03C09D5/08C09D7/61C09D7/63
CPCC09D163/00C09D5/033C09D5/08C08L91/06C08K13/02C08K3/34C08K5/18
Inventor 徐益禄
Owner 徐益禄
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