Modified white graphene composite anticorrosive paint and preparing method thereof

A technology of white graphene and anti-corrosion coating, applied in the field of materials, can solve the problems of easy failure of anti-corrosion coating and loss of anti-corrosion effect of equipment

Active Publication Date: 2016-12-21
GUANGDONG NANOLUTION SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing anti-corrosion coatings are prone to failure under the influence of high temperature, high humidity, light, acid rain and other factors, thus losing the anti-corrosion effect on equipment

Method used

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  • Modified white graphene composite anticorrosive paint and preparing method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Step 1) Preparation of modified white graphene: soak 5-10 layers of white graphene with 0.1% long-chain borane aqueous solution for 24 hours to obtain long-chain borane-modified white graphene solution.

[0026] Step 2) Dissolve 43.9 parts of alkyd resin, 12 parts of calcium carbonate, 7.5 parts of titanium dioxide, 0.5 parts of carbon black, 1 part of BYK UMEN, 0.1 part of BYK 065 in 25 parts of xylene / n-butanol / ethyl acetate mixed solvent Stir uniformly in medium to obtain a matrix resin solution; 5 parts of modified white graphene dispersions prepared in step 1) are stirred evenly with the above-mentioned matrix resin solution to obtain a high-performance alkyd resin anticorrosive coating of composite modified white graphene.

Embodiment 2

[0028] Step 1) Preparation of modified white graphene: soak 5-10 layers of white graphene with 0.1% oleylamine aqueous solution for 24 hours to obtain oleylamine-modified white graphene solution.

[0029] Step 2) dissolve 33 parts of epoxy-modified acrylic resin, 12 parts of barium sulfate, 8 parts of red iron oxide, 1.5 parts of Tego 740W, 0.5 parts of Tego 810 in 30 parts of water and stir evenly to obtain matrix resin; 10 parts of the modified white graphene dispersion liquid are stirred evenly with the above-mentioned matrix resin liquid, and the high-performance epoxy-modified acrylic resin anticorrosion coating of composite modified white graphene is obtained.

Embodiment 3

[0031] Step 1) Preparation of modified white graphene: soak 5-10 layers of white graphene with 0.1% sodium dodecylsulfonate for 24 hours to obtain a long-chain borane-modified white graphene solution.

[0032] Step 2) Dissolve 43.9 parts of epoxy resin, 12 parts of talc powder, 8 parts of iron oxide red, 1 part of BYK P-104, 0.1 part of BYK066N in 20 parts of xylene / n-butanol / ethyl acetate mixed solvent and stir well 15 parts of modified white graphene dispersion liquid and epoxy resin solution that step 1) make are stirred evenly; Add 10 parts of diethylenetriamine again, stir and mix, promptly make the high performance of compound modified white graphene Epoxy resin anti-corrosion coating.

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Abstract

The invention relates to the technical field of materials, and particularly discloses modified white graphene composite anticorrosive paint. The modified white graphene composite anticorrosive paint is prepared from, by weight, 18-68.5 parts of matrix resin, 5-20 parts of pigment and filler, 0.4-1.5 parts of dispersant, 0.1-0.5 part of defoamer, 20-30 parts of solvent, 1-20 parts of white grapheme and 0-10 parts of curing agent. The modified white graphene composite anticorrosive paint has excellent corrosion resistance and high strength and salt spray resistance, the thickness of a coating can be further reduced by means of modified white grapheme with atomic-level thickness, adhesive force on a base material is increased, and the abrasive resistance of the paint is improved. The corrosion resistance of the paint is higher than that of existing heavy anti-corrosion paint, and due to its real environment protection function, the paint can be widely applied to the fields including ocean engineering, communication and transportation, major industrial equipment and municipal facilities for coating protection.

Description

technical field [0001] The invention relates to the technical field of materials, in particular to a modified white graphene composite anticorrosion coating and its preparation. Background technique [0002] Metal materials play an important role in human life. In industrial production, metal structural parts are easily corroded due to exposure to high-temperature gas, moisture and smoke all year round, which significantly reduces the mechanical properties of metal materials and destroys the geometry of metal structural parts. Shorten the service life of the equipment and cause huge economic losses. Therefore, looking for effective technical means to realize the anticorrosion of metal materials has become the goal that countries around the world pay attention to. [0003] Among the many anti-corrosion technologies, the anti-corrosion technology of coatings is the most widely used. Anti-corrosion coating is the best material for protecting metal structural parts from corros...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D167/08C09D163/10C09D163/00C09D5/08C09D7/12
CPCC09D5/08C09D163/00C09D163/10C09D167/08C08K3/38C08K9/04C08K13/06C08K2003/385C09D5/18
Inventor 段曦东赵涛楠毛志浩
Owner GUANGDONG NANOLUTION SCI & TECH CO LTD
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