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A kind of preparation method of modified graphene and slurry containing the modified graphene

A graphene modification technology, applied in chemical instruments and methods, anti-corrosion coatings, fibrous fillers, etc., can solve the problems of complex process, high application cost, small production scale, etc., to avoid agglomeration, complete sheet, sheet The effect of fewer layers

Active Publication Date: 2021-01-26
CHANGSHA TIANYUAN EMPIRE MATERIALS TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above technologies all have the disadvantages of complicated process, small production scale, and high application cost.

Method used

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  • A kind of preparation method of modified graphene and slurry containing the modified graphene
  • A kind of preparation method of modified graphene and slurry containing the modified graphene
  • A kind of preparation method of modified graphene and slurry containing the modified graphene

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A kind of preparation method following steps of modified graphene:

[0038] S1 takes silane coupling agent, distilled water and boric acid solution with a substance concentration of 1.5mol / L and places them in a stainless steel high-pressure bottle, seals it well, slowly sucks away the air in the stainless steel high-pressure bottle, and puts it in the stainless steel high-pressure bottle The vacuum degree is 0.09MPA;

[0039] S2 Fill the stainless steel high-pressure bottle described in step S1 with liquid gas, shake it up and let it stand for 24 hours;

[0040] S3 connecting the stainless steel high-pressure bottle described in step S2 to a solid gas preparation machine to prepare solid gas;

[0041] S4 puts the solid gas prepared in step S3 in ultraviolet light and irradiates with ultraviolet light in a washing machine until the solid gas completely disappears to prepare the modified graphene crude product;

[0042] S5 continues to expose the modified graphene crud...

Embodiment 2

[0058] A kind of preparation method following steps of modified graphene:

[0059] S1 takes silane coupling agent, distilled water and boric acid solution with a concentration of 1 mol / L and puts it in a stainless steel high-pressure bottle, seals it well, slowly takes away the air in the stainless steel high-pressure bottle, and vacuums the vacuum in the stainless steel high-pressure bottle The degree is -0.09MPA;

[0060] S2 Fill the stainless steel high-pressure bottle described in step S1 with liquid gas, shake it up and let it stand for 20 hours;

[0061] S3 connecting the stainless steel high-pressure bottle described in step S2 to a solid gas preparation machine to prepare solid gas;

[0062] S4 puts the solid gas prepared in step S3 in ultraviolet light and irradiates with ultraviolet light in a washing machine until the solid gas completely disappears to prepare the modified graphene crude product;

[0063] S5 continues to expose the modified graphene crude product ...

Embodiment 3

[0078] A kind of preparation method following steps of modified graphene:

[0079] S1 takes silane coupling agent, distilled water and boric acid solution with a concentration of 2 mol / L and places it in a stainless steel high-pressure bottle, seals it well, slowly takes away the air in the stainless steel high-pressure bottle, and vacuums the vacuum in the stainless steel high-pressure bottle The degree is 0.1MPA;

[0080] S2 Fill the stainless steel high-pressure bottle described in step S1 with liquid gas, shake it up and let it stand for 28 hours;

[0081] S3 connecting the stainless steel high-pressure bottle described in step S2 to a solid gas preparation machine to prepare solid gas;

[0082] S4 puts the solid gas prepared in step S3 in ultraviolet light and irradiates with ultraviolet light in a washing machine until the solid gas completely disappears to prepare the modified graphene crude product;

[0083] S5 continues to expose the modified graphene crude product ...

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Abstract

The invention provides a modified graphene and a preparation method containing the modified graphene slurry as follows: take flake graphite powder, modifier, distilled water and boric acid solution and place them in a stainless steel high-pressure bottle, and put them in a stainless steel high-pressure bottle Fill with liquid gas, shake well and let stand. Connect the stainless steel high-pressure bottle to the solid gas preparation machine to prepare solid gas. The solid gas is placed in an ultraviolet cleaning machine for high-energy ultraviolet irradiation, and a few layers or even a single layer of modified graphene is peeled off. After the solid gas completely disappears, the ultraviolet irradiation is continued for a period of time to prepare the modified graphene. The modified graphene continues to be exposed under the ultraviolet lamp, and the modified graphene is stored in a vacuum in the intermediate. Excellent, with surface functional characteristics, and at the same time bonded and grafted with nano-titanium and silicon to form a new titanium-silicon-modified graphene ternary composite material.

Description

technical field [0001] The invention relates to the field of preparation of modified graphene, in particular to a preparation method of modified graphene and a preparation method of slurry containing the modified graphene. Background technique [0002] Corrosion of materials, especially iron and steel materials, has an astonishing loss to the national economy, reaching 3 to 5% of the total output value of the national economy. The accidents and indirect losses caused by material corrosion are even more incalculable. In petroleum, refining, chemical, metallurgy, electric power The corrosion situation of materials in the fields of environmental protection, marine engineering and other fields is more severe. At present, the use of coating technology to prevent corrosion is the most economical, direct and effective way, but the current use of anti-corrosion coatings is mainly based on two points: coating shielding and electrochemical The protection mechanism, among which the coa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09C1/46C09C3/08C09C3/10C09C3/06C09C3/12C08K9/06C08K9/00C08K3/04C09D5/10
CPCC09C1/46C09C3/08C09C3/10C09C3/06C09C3/12C09C3/006C08K9/06C08K9/00C08K3/042C09D5/10C01B32/192C01B32/194C09C1/44C09C3/063
Inventor 马金华
Owner CHANGSHA TIANYUAN EMPIRE MATERIALS TECH CO LTD
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