Environmentally-friendly solvent-free anticorrosive graphene coating and preparation method thereof

A technology of anti-corrosion coatings and graphene, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve problems such as large environmental hazards, achieve the effects of reducing construction conditions, highlighting mechanical properties, and rapid conductivity

Inactive Publication Date: 2019-10-22
四川芯美科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a kind of environment-friendly solvent-free graphene anticorrosion coating and its preparation method for the traditional anticorrosion coating which is harmful to the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of environment-friendly solvent-free graphene anticorrosion coating, comprises the raw material of following weight component: 30 parts of epoxy resins, 15 parts of reactive diluents, 0.15 parts of graphene, 5 parts of auxiliary agents, 20 parts of iron oxide red, 10 parts of mica powders , 0.4 parts of fumed silica, 4 parts of barite, 6 parts of tripolyphosphate, 0.5 parts of silane coupling agent, and 7 parts of phenalkamine epoxy resin curing agent.

[0030] The reactive diluent is one or more of n-butyl glycidyl ether, cresyl glycidyl ether, Cardolite NC-513 and Cardolite Ultra LITE 513.

[0031] The tripolyphosphate is aluminum tripolyphosphate or zinc tripolyphosphate.

[0032] The additives include dispersant, leveling agent and defoamer at a ratio of 1:1:1, the dispersant is BYK-P104, BYK191, BYK190 or BYK180, and the defoamer is BYK-A530, XP In -405B, DF 7072, BYK 011 or BYK 093, the leveling agent is BYK-307, BYK 348, BYK 333 or Glide 450.

[0033] Th...

Embodiment 2

[0044] A kind of environment-friendly solvent-free graphene anticorrosion coating, comprises the raw material of following weight component: 35 parts of epoxy resins, 17 parts of reactive diluents, 0.17 parts of graphene, 8 parts of auxiliary agents, 23 parts of iron oxide red, 13 parts of mica powders , 0.6 parts of fumed silica, 5 parts of barite, 8 parts of tripolyphosphate, 1 part of silane coupling agent, and 11 parts of phenalkamine epoxy resin curing agent.

[0045] The reactive diluent is one or more of n-butyl glycidyl ether, cresyl glycidyl ether, Cardolite NC-513 and Cardolite Ultra LITE 513.

[0046] The tripolyphosphate is aluminum tripolyphosphate or zinc tripolyphosphate.

[0047]The additives include dispersant, leveling agent and defoamer at a ratio of 1:1:1, the dispersant is BYK-P104, BYK191, BYK190 or BYK180, and the defoamer is BYK-A530, XP In -405B, DF 7072, BYK 011 or BYK 093, the leveling agent is BYK-307, BYK 348, BYK 333 or Glide 450.

[0048] The s...

Embodiment 3

[0059] A kind of environment-friendly solvent-free graphene anticorrosion coating, comprises the raw material of following weight component: 40 parts of epoxy resins, 20 parts of reactive diluents, 0.2 parts of graphene, 10 parts of auxiliary agents, 25 parts of iron oxide red, 15 parts of mica powders , 0.8 parts of fumed silica, 6 parts of barite, 10 parts of tripolyphosphate, 1.5 parts of silane coupling agent, and 15 parts of phenalkamine epoxy resin curing agent.

[0060] Preferably, the reactive diluent is one or more of n-butyl glycidyl ether, cresyl glycidyl ether, Cardolite NC-513 and Cardolite Ultra LITE 513.

[0061] Preferably, the tripolyphosphate is aluminum tripolyphosphate or zinc tripolyphosphate.

[0062] Preferably, the auxiliary agent includes a dispersant, leveling agent and defoamer at a ratio of 1:1:1, the dispersant is BYK-P104, BYK191, BYK190 or BYK180, and the defoamer is BYK- In A530, XP-405B, DF 7072, BYK 011 or BYK 093, the leveling agent is BYK-3...

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PUM

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Abstract

The invention discloses an environmentally-friendly solvent-free anticorrosive graphene coating and a preparation method thereof. The coating of the invention is prepared from, by weight, 30-40 partsof epoxy resin, 15-20 parts of a reactive diluent, 0.15-0.2 part of graphene, 5-10 parts of an assistant, 20-25 parts of iron oxide red, 10-15 parts of mica powder, 0.4-0.8 part of fumed silica, 4-6 parts of barite, 6-10 parts of tripolyphosphate, 0.5-1.5 parts of a silane coupling agent and 7-15 parts of a phenolic amine epoxy resin curing agent. The product of the invention is a solvent-free coating, does not contain volatile organic solvents, has a solid content of 100% and a VOC content of zero, and is green and environmentally friendly; and the super large specific surface area, excellentbarrier property, high chemical stability and good electrical conducting property of the graphene are utilized, so the comprehensive properties of the anticorrosive composite coating are greatly improved.

Description

technical field [0001] The invention relates to the field of graphene coatings, in particular to an environmentally friendly solvent-free graphene anticorrosion coating and a preparation method thereof. Background technique [0002] Anti-corrosion coatings are generally divided into conventional anti-corrosion coatings and heavy-duty anti-corrosion coatings. They are an indispensable coating in paint coatings. Conventional anti-corrosion coatings are used to prevent corrosion of metals and protect non-ferrous metals under normal conditions. Lifespan; heavy-duty anti-corrosion coatings refer to a class of anti-corrosion coatings that can be applied in relatively harsh corrosive environments and have a longer protection period than conventional anti-corrosion coatings. Traditional anti-corrosion coatings are easily doped with metal ions Exudation, primary battery corrosion effect occurs between paint and metal, and accelerates the corrosion of metal materials; lead and chromat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D5/08C09D7/63C09D7/61
CPCC09D163/00C09D5/08C09D7/63C09D7/61C08K2003/2272C08K2003/327C08K2003/328C08K13/02C08K3/042C08K3/22C08K3/36C08K3/32
Inventor 彭亮叶春霖
Owner 四川芯美科技有限公司
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