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Cold zinc-sprayed anticorrosion coating doped with modified graphene

An anti-corrosion coating, graphene technology, applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., can solve the problems of discount in the performance of coatings, unsatisfactory effects, and inability to disperse coatings.

Inactive Publication Date: 2016-04-20
江苏鑫能材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the effect of the existing graphene-doped coatings is not ideal, and there are defects in the dispersibility of the coatings, which directly leads to a great reduction in the performance of the coatings.

Method used

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  • Cold zinc-sprayed anticorrosion coating doped with modified graphene

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Embodiment 1

[0013] The preparation method of the cold-sprayed zinc anticorrosion coating mixed with modified graphene of the present invention comprises the following steps: first, the product proportion is drawn up as, and the weight parts of its composition raw materials are: modified graphene 80, polypropylene vinyl acetate 15 , epoxy resin 38, zinc powder 210, talcum powder 40, defoamer 20, leveling agent 8, curing agent 8, filler 70, and component B includes polyborosiloxane 40, aluminum powder 70, citric acid Triethyl ester 16, the modified graphene is to exchange the vinylbenzyl group in imidazole to the edge of graphene by ion exchange, and then polymerize with methyl methacrylate to obtain graphene polymethyl methacrylate Ester composite material, i.e. modified graphene; Specifically, the preferred filler in this embodiment is selected from a silica solution, and the silica solution is selected from a nanoscale silica solution with a three-dimensional network structure; The parti...

Embodiment 2

[0015] The preparation method of the cold-sprayed zinc anticorrosion coating mixed with modified graphene of the present invention comprises the following steps: first, the product proportion is drawn up, and the parts by weight of its composition raw materials are: modified graphene 50, polypropylene vinyl acetate 10 , epoxy resin 20, zinc powder 70, talcum powder 17, defoamer 10, leveling agent 5, curing agent 5, filler 30-70, and component B includes polyborosiloxane 30, aluminum powder 60, Triethyl citrate 14; the modified graphene is to exchange the vinylbenzyl group in imidazole to the edge of graphene by ion exchange, and then polymerize with methyl methacrylate to obtain graphene polymethyl Methyl acrylate composite material, that is, modified graphene; specifically, the preferred filler in this embodiment is selected from a silica solution, and the silica solution is selected from nanoscale silica with a three-dimensional network structure solution; the particle diame...

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Abstract

The invention relates to a cold zinc-sprayed anticorrosion coating doped with modified graphene. The cold zinc-sprayed anticorrosion coating is prepared from, by weight, 50-80 parts of the modified graphene, 10-15 parts of polypropylene vinyl acetate, 20-38 parts of epoxy resin, 70-210 parts of zinc powder and 17-40 parts of talcum powder. The modified graphene is obtained in the mode that ion exchange is conducted to exchange vinyl benzyl in imidazole into the edge portion of grapheme, then polymerization with methylacrylic acid armour is conducted, and the obtained graphene polymethyl methacrylate composite material is the modified grapheme. The cold zinc-sprayed anticorrosion coating is applicable to offshore wind power facility protection in a marine environment, or used for long-term anticorrosion of onshore steel structures of inland tube diameters.

Description

technical field [0001] The invention relates to the field of anti-corrosion coatings, in particular to a cold-sprayed zinc anti-corrosion coating mixed with modified graphene. Background technique [0002] In the prior art, graphene has been used as a coating, especially anti-corrosion coatings, and a lot of research has begun, and with the development of industry, graphene anti-corrosion coatings are the main coatings that can play an anti-corrosion and wear-resistant role in the use of outdoor equipment in power grids. , The effect of acid and alkali resistance is becoming more and more important. At present, common graphene coatings are easy to be corroded and aged, and cannot play the role of self-cleaning and acid and alkali resistance. CN101407690A discloses a two-component epoxy zinc-rich primer and a preparation method thereof. Component A consists of the following components in parts by weight: 14 parts of epoxy resin, 54-71 parts of zinc powder, 4-20 parts of fill...

Claims

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Application Information

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IPC IPC(8): C09D185/04C09D123/14C09D163/00C09D7/12C09D5/10C09C1/46C09C3/10
CPCC09D185/04C08L2205/035C09C1/46C09C3/10C09D5/103C09D5/106C09D7/61C09D7/62C09D7/63C09D7/65
Inventor 赵栋刘小文
Owner 江苏鑫能材料科技有限公司
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