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Grit powder coating with high impact resistance and method for preparing grit powder coating

A technology of powder coating and high impact resistance, applied in the direction of powder coating, polyester coating, epoxy resin coating, etc., can solve the problems of poor impact resistance and achieve good ductility, enhanced adhesion, and good impact resistance Effect

Active Publication Date: 2016-07-13
ZHEJIANG HUACAI NEW MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current powder coatings have poor impact resistance when the film thickness is high (greater than 100 microns), especially when the powder coating is sprayed too thick or reworked and re-sprayed, its impact resistance is even worse.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of powder paint with high anti-scouring sand pattern, its raw material includes the following components by weight parts: 30 parts of epoxy resin; 20 parts of alkyd resin; 20 parts of silicone modified resin; 10 parts of fluorocarbon resin; 10 parts of imine; 1 part of ethylenediamine; 1 part of isophoronediamine; 1 part of 1-methylimidazole; 1 part of N-diglycidyl ether; 1 part of nano-titanium dioxide; 1 part of fumed silica; 1 part of light calcium carbonate; 1 part of silane coupling agent; 1 part of dimethylsiloxane; 1 part of dibutyltin dilaurate; 1 part of diatomaceous earth parts; sand texture agent 1 part.

[0021] The preparation method comprises the following steps: mixing the above-mentioned raw materials according to their corresponding parts by weight ratio; melting and extruding, tableting and crushing the mixed raw materials respectively; finely pulverizing the crushed powder; finely pulverizing The processed powder is sieved to obtain the high a...

Embodiment 2

[0032] The preparation method of this embodiment is the same as that of Embodiment 1.

[0033] A kind of powder paint with high anti-scouring sand pattern, its raw material includes the following components by weight parts: 60 parts of epoxy resin; 30 parts of alkyd resin; 30 parts of silicone modified resin; 20 parts of fluorocarbon resin; 20 parts of imine; 10 parts of ethylenediamine; 10 parts of isophorone diamine; 10 parts of 1-methylimidazole; 10 parts of N-diglycidyl ether; 5 parts of sodium lignosulfonate; polyethylene glycol 8 5 parts of nano titanium dioxide; 5 parts of fumed silica; 5 parts of light calcium carbonate; 3 parts of silane coupling agent; 3 parts of dimethylsiloxane; 3 parts of dibutyltin dilaurate; 3 parts of diatomaceous earth parts; sanding agent 4 parts.

Embodiment 3

[0035] The preparation method of this embodiment is the same as that of Embodiment 1.

[0036] The raw materials of the high anti-scouring sand texture powder coating include the following components in parts by weight: 40 parts of epoxy resin; 20 parts of alkyd resin; 20 parts of silicone modified resin; 10 parts of fluorocarbon resin; 15 parts of amine; 1 part of ethylenediamine; 10 parts of isophorone diamine; 6 parts of 1-methylimidazole; 7 parts of N-diglycidyl ether; 3 parts of sodium lignosulfonate; 8 parts of polyethylene glycol ; 5 parts of nano titanium dioxide; 5 parts of fumed silica; 5 parts of light calcium carbonate; 3 parts of silane coupling agent; 3 parts of dimethylsiloxane; 3 parts of dibutyltin dilaurate; ; 4 parts of sand texture agent.

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PUM

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Abstract

The invention provides grit powder coating with high impact resistance.The grit powder coating comprises, by weight, 30-60 parts of epoxy resin, 20-30 parts of alkyd resin, 20-30 parts of organic silicon modified resin, 10-20 parts of fluorocarbon resin, 10-20 parts of polyetherimide, 1-10 parts of ethylenediamine, 1-10 parts of isophorone diamine, 1-10 parts of 1-methylimidazole, 1-10 parts of N-diglycidyl ether, 1-5 parts of sodium lignin sulfonate, 1-8 parts of polyethylene glycol, 1-5 parts of nanometer titanium dioxide, 1-5 parts of gas-phase silicon dioxide, 1-5 parts of light calcium carbonate, 1-3 parts of silane coupling agents, 1-3 parts of dimethyl siloxane, 1-3 parts of dibutyltin dilaurate, 1-3 parts of diatomaceous earth and 1-4 parts of grit agents.The grit powder coating and the method have the advantage that the grid powder coating is excellent in impact resistance under the condition of high film thicknesses (higher than 100 micrometers).

Description

technical field [0001] The invention relates to the field of coatings, in particular to a powder coating with high anti-scouring sand texture. Background technique [0002] Powder coating is a new type of solvent-free solid powder coating, which has the characteristics of solvent-free, pollution-free, recyclable, environmental protection, energy and resource saving, labor intensity reduction and high mechanical strength of the coating film. [0003] Powder coatings can be divided into thermoplastic powder coatings and thermosetting powder coatings. Thermoplastic powder is composed of thermoplastic resins, pigments, fillers, plasticizers and stabilizers. Thermoplastic powder coatings include polyethylene, polypropylene, polyester, polyvinyl chloride, chlorinated polyether, polyamide, cellulose and polyester. Thermosetting powder coatings are composed of thermosetting resins, curing agents, pigments, fillers and additives. Thermosetting powder coatings include epoxy resin, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D167/08C09D183/04C09D127/12C09D179/08C09D5/03C09D7/12
Inventor 孙华强杨立新许志华王雪龙骆伟波
Owner ZHEJIANG HUACAI NEW MATERIAL CO LTD
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