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Graphene conducting material and preparation method thereof

A conductive material and graphene technology, applied in the field of graphene conductive materials and their preparation, can solve problems such as affecting graphene research and application, difficult to disperse, etc., and achieve improved oxidation resistance, product stability, and stability. Effect

Inactive Publication Date: 2018-01-19
温州市赢创新材料技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Graphene with a complete structure is composed of stable benzene six-membered rings, its surface is inert, and the interaction force between it and the polymer is small, while there is a strong van der Waals force between graphene sheets, which is easy to aggregate and difficult to Uniform dispersion in the polymer matrix, which seriously affects the research and application of graphene in polymer modification

Method used

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Examples

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Effect test

Embodiment 1

[0026] Embodiment 1 A kind of graphene conductive material, it is made up of the raw material of following weight portion:

[0027] Graphene oxide 30, conductive dispersion liquid 20, aniline 35, ammonium persulfate 1, melamine 0.4, tert-butyl-diphenol 0.1, diphenylsilicon glycol 4, calcium propionate 2.

[0028] Described conductive dispersion liquid is made up of the following raw materials by weight:

[0029] Sodium polyacrylate 2, isopropanol 4, methacrylic acid 2, acetylene carbon black 10, lauryl dimethyl amine oxide 0.1, benzotriazole 0.3.

[0030] The preparation method of the described conductive dispersion liquid comprises the following steps:

[0031] (1) Take benzotriazole, add it to isopropanol, stir evenly, add acetylene carbon black, and sonicate at 50°C for 10 minutes to obtain an alcohol solution;

[0032] (2) Take methacrylic acid, add it to the above-mentioned alcohol solution, and keep stirring at 90 °C for 1 hour to obtain a carbon black ester solution; ...

Embodiment 2

[0040] A graphene conductive material, which is made up of the following raw materials by weight:

[0041] Graphene oxide 41, conductive dispersion 30, aniline 40, ammonium persulfate 2, melamine 1, tert-butyl-p-diphenol 0.2, diphenylsilicone diol 5, calcium propionate 3.

[0042] Described conductive dispersion liquid is made up of the following raw materials by weight:

[0043] Sodium polyacrylate 3, isopropanol 6, methacrylic acid 3, acetylene carbon black 15, lauryl dimethyl amine oxide 0.2, benzotriazole 1.

[0044] The preparation method of the described conductive dispersion liquid comprises the following steps:

[0045] (1) Take benzotriazole, add it to isopropanol, stir evenly, add acetylene carbon black, and sonicate at 60°C for 15 minutes to obtain an alcohol solution;

[0046] (2) Take methacrylic acid, add it to the above-mentioned alcohol solution, and keep stirring at 96°C for 2 hours to obtain a carbon black ester solution;

[0047] (3) Take sodium polyacryl...

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Abstract

The invention discloses a graphene conducting material. The graphene conducting material is prepared from the following raw materials in parts by weight: 30 to 41 parts of graphene oxide, 20 to 30 parts of a conducting dispersion solution, 35 to 40 parts of aniline, 1 to 2 parts of ammonium persulfate, 0.4 to 1 part of melamine, 0.1 to 0.2 part of tert-butyl p-diphenol, 4 to 5 parts of diphenyl silanediol and 2 to 3 parts of calcium propionate. According to the graphene conducting material disclosed by the invention, various conducting substances, such as polyaniline, acetylene carbon black and graphene, are added; all the raw materials are blended and the graphene conducting material has very strong cooperatively enhanced conductivity; after the raw materials are treated by a method disclosed by the invention, the effects of stable finished products and efficient electric conduction are realized.

Description

technical field [0001] The invention belongs to the field of graphene conductive materials, in particular to a graphene conductive material and a preparation method thereof. Background technique [0002] The unique structure of graphene endows it with many excellent properties, such as mechanical properties, thermal properties, electrical properties and optical properties. In terms of mechanical properties, graphene is currently the material with the highest hardness and strength in the world. Its hardness is harder than diamond, its ultimate strength reaches 130GPa, and its tensile modulus reaches 1.01TPa, which is 300 times that of steel. Graphene undergoes certain functions. After chemical modification, its dissolution, dispersion and compatibility in different environments can be improved, and its research and application in different fields can be expanded. Because graphene has excellent mechanical, electrical, thermal and optical properties, after compounding with pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L79/02C08L33/02C08K13/06C08K9/04C08K3/04C08K5/3475C08G73/02
Inventor 方万漂郑友明
Owner 温州市赢创新材料技术有限公司
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