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A kind of graphene coating and preparation method for anticorrosion in sea mud area

A graphene and coating technology, applied in anti-corrosion coatings, fire-resistant coatings, epoxy resin coatings, etc., can solve problems such as difficulty in dispersion, easy re-aggregation of graphene, and achieve enhanced anti-corrosion performance, better adsorption effect, and excellent composition. simple effect

Active Publication Date: 2018-09-14
玛雅森林(北京)国际科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the defect that graphene is difficult to disperse in the application of anti-corrosion coatings at present, and the defects that graphene layers are easy to overlap and gather again, the present invention proposes a graphene coating and preparation method for anti-corrosion in sea mud areas, by inhibiting the loading of silver powder Silica agglomeration indirectly prevents the agglomeration of graphene in the coating, improves the dispersion of graphene in the coating, and then enhances the anti-corrosion performance of the coating

Method used

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  • A kind of graphene coating and preparation method for anticorrosion in sea mud area

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Effect test

Embodiment 1

[0034] (1) Disperse 10 parts by weight of hollow mesoporous silica microspheres with a particle size of 10 μm and a pore size of 10 nm, 20 parts by weight of graphene and 2 parts by weight of silver powder with a particle size of 60 nm in 30 parts by weight of a dispersion medium at 30°C In ethanol, shake and stir, so that the surface of hollow mesoporous silica microspheres is evenly loaded with graphene and silver powder;

[0035] (2) Add 16 parts by weight of propylene glycol resin monomer and dimethyl silicone oil monomer mixture to (1) and stir at a high speed, the stirring speed is 500rpm, and stir for 20 minutes, so that the resin monomer wraps the medium loaded with graphene and silver powder. porous silica microspheres to obtain a composite microsphere suspension;

[0036] (3) Add 1 part by weight of cumene hydroperoxide whose temperature is controlled at 80°C to the composite microsphere suspension described in (2) in the form of dropwise addition at a rate of 10 dro...

Embodiment 2

[0039] (1) 20 parts by weight of hollow mesoporous silica microspheres with a particle size of 1 μm and a pore size of 40 nm, 15 parts by weight of a mixture of double-layer graphene, graphene oxide and nitrogen-doped graphene, and 5 parts by weight Silver powder with a particle size of 300nm is dispersed in 20 parts by weight of deionized water as a dispersion medium at 60°C, oscillating and stirring, so that the surface of hollow mesoporous silica microspheres is evenly loaded with graphene and silver powder;

[0040](2) Add 40 parts by weight of propylene glycol resin monomer and simethicone monomer mixture to (1) and stir at a high speed at a stirring speed of 200rpm, and stir for 50 minutes to make the resin monomer wrap the graphene-loaded and silver powder. Mesoporous silica microspheres to obtain a composite microsphere suspension;

[0041] (3) 2 parts by weight of the mixture of azobisisobutyronitrile, benzoyl, dicumyl peroxide and di-tert-butyl peroxide, which is con...

Embodiment 3

[0044] (1) 12 parts by weight of hollow mesoporous silica microspheres with a particle size of 3 μm and a pore size of 25 nm, 15 parts by weight of a mixture of double-layer graphene, multilayer graphene, and graphene oxide, and 7 parts by weight of particles Silver powder with a diameter of 120nm is dispersed in 28 parts by weight of xylene as a dispersion medium at 35°C, oscillating and stirring, so that the surface of the hollow mesoporous silica microspheres is uniformly loaded with graphene and silver powder;

[0045] (2) Add 35 parts by weight of phenolic resin monomer, propylene glycol resin monomer and dimethyl silicone oil monomer to (1) and stir at a high speed at a stirring speed of 480rpm, and stir for 25 minutes to make the resin monomer wrap the loaded graphene Mesoporous silica microspheres with silver powder to obtain a composite microsphere suspension;

[0046] (3) Add 1.5 parts by weight of a mixture of tert-butyl hydroperoxide, benzoyl and di-tert-butyl pero...

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Abstract

The invention provides a graphene coating for the corrosion resisting of a sea mud area and a preparation method of the graphene coating. The preparation method includes: adding hollow mesoporous silica microspheres, graphene, silver powder and water-soluble resin monomers into a dispersing medium, adding an initiator, stirring at high speed to perform polymerization, wrapping the surfaces of themicrospheres with a water-soluble resin thin film after the microspheres adsorb the graphene and the silver powder, adding the wrapped microspheres and triethanolamine into resin coating, and stirringto allow the graphene to be evenly dispersed to obtain the corrosion-resisting coating. The preparation method has the advantages that the defects that the graphene is hard to disperse when being applied to the corrosion-resisting coating, and graphene layers easily overlap and aggregate again are overcome, the increasing of the dispersity of the graphene in the coating enhances the corrosion resistance of the coating, and the prepared coating is especially applicable to the corrosion resisting of the sea mud area, simple in component, resistant to corrosion, good in waterproof performance and resistant to aging.

Description

technical field [0001] The invention relates to the field of preparation and processing of new materials, in particular to a graphene coating used for anti-corrosion in sea mud areas and a preparation method. Background technique [0002] With the gradual deepening of the utilization of marine resources by humans, the scale of marine development is also expanding. However, because the marine environment is a highly corrosive and complex disaster environment, various materials are prone to deterioration and damage in the marine environment. The marine corrosive environment is generally divided into five corrosion zones: the marine atmosphere zone, the spray splash zone, the tidal range zone, the seawater immersion zone and the sea mud zone. Among them, corrosion occurs in the sea mud area below the junction with seawater and sea mud. The mud in the sea mud area contains a large number of microorganisms and is highly corrosive. Corrosion micro-batteries will be formed between ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D163/00C09D161/32C09D183/04C09D5/10C09D7/61C09D7/65
CPCC08K2003/0806C08K2201/011C08K2201/014C08L2201/08C08L2205/03C08L2205/035C09D5/10C09D5/18C09D161/32C09D163/00C09D163/10C09D183/04C08L71/02C08L83/04C08K13/06C08K9/10C08K9/12C08K7/26C08K3/04C08K3/08C08L61/06C08L33/00
Inventor 陈庆昝航
Owner 玛雅森林(北京)国际科技有限公司
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