Conducting carbon fiber composite material as well as preparation method thereof

A technology of conductive carbon fiber and composite material, applied in the field of conductive carbon fiber composite material and its preparation

Inactive Publication Date: 2014-01-22
JIAXING LONGSHINE CARBON FIBER PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, there is no research report on graphene / copper nanowires synergistically improving the electrical conductivity of carbon fiber-reinforced epoxy-based composites.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 1) Graphene is dispersed in ethanol, and preparation concentration is the graphene ethanol solution of 0.01g / L, then, then, use the ultrasonic equipment that power is 1000W to carry out ultrasonic processing 0.5 hour to described graphene ethanol solution, obtain graphene ethanol solution;

[0017] 2) Add copper nanowires and epoxy resin to the graphene ethanol solution obtained in step 1) so that the concentration is 20g / L and 200g / L respectively to obtain a mixed solution, and stir the mixed solution with a magnetic stirrer for 30 minutes, then Then use an ultrasonic device with a power of 1000W to carry out ultrasonic treatment on the mixed solution for 0.5 hours;

[0018] 3) Put the ultrasonically treated mixed solution in step 2) into an oven with a temperature of 80 degrees Celsius, bake for 10 hours, and then use a vacuum pump to extract the ethanol solvent in the mixed solution until the mixed solution has no bubbles;

[0019] 4) Add a chemically equivalent cur...

Embodiment 2

[0022] 1) Graphene is dispersed in ethanol, and preparation concentration is the graphene ethanol solution of 1g / L, then, then, use the ultrasonic equipment that power is 300W to carry out ultrasonic treatment to described graphene ethanol solution for 5 hours, obtain graphene ethanol solution ;

[0023] 2) Add copper nanowires and epoxy resin to the graphene ethanol solution obtained in step 1) so that the concentration is 59g / L and 200g / L respectively to obtain a mixed solution, and stir the mixed solution for 5 minutes with a magnetic stirrer, then Then use an ultrasonic device with a power of 300W to carry out ultrasonic treatment on the mixed solution for 0.5 hours;

[0024] 3) Put the ultrasonically treated mixed solution in step 2) into an oven with a temperature of 50 degrees Celsius, bake for 48 hours, and then use a vacuum pump to extract the ethanol solvent in the mixed solution until the mixed solution has no bubbles;

[0025] 4) Add a chemically equivalent curing...

Embodiment 3

[0028] 1) Graphene is dispersed in ethanol, and preparation concentration is the Graphene ethanol solution of 0.2g / L, then, then, use the ultrasonic equipment that power is 600W to carry out ultrasonic treatment 2 hours to described Graphene ethanol solution, obtain Graphene ethanol solution;

[0029] 2) Add copper nanowires and epoxy resin to the graphene ethanol solution obtained in step 1) to make the concentrations 40.0g / L and 200g / L respectively to obtain a mixed solution, and stir the mixed solution with a magnetic stirrer for 20 minutes, Then use an ultrasonic device with a power of 800W to carry out ultrasonic treatment to the mixed solution for 3 hours;

[0030] 3) Put the ultrasonically treated mixed solution in step 2) into an oven with a temperature of 80 degrees Celsius, bake for 30 hours, and then use a vacuum pump to extract the ethanol solvent in the mixed solution until the mixed solution has no bubbles;

[0031] 4) Add a chemically equivalent curing agent to...

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Abstract

The invention relates to a conducting carbon fiber composite material as well as a preparation method thereof. The composite material comprises carbon fibers, an epoxy resin matrix material and inorganic nano-filler uniformly dispersed in the epoxy resin matrix material. The inorganic nano-filler consists of graphene and copper nanowires. The conducting performance of the carbon fiber composite material is effectively improved by means of the graphene and copper nanowires, so that the conductivity of the composite material is improved from 210S/cm to 6500S/cm.

Description

technical field [0001] The invention belongs to the field of polymer-based composite materials, and in particular relates to a conductive carbon fiber composite material and a preparation method thereof. Background technique [0002] Carbon fiber reinforced epoxy-based composite materials have the unique advantages of high specific strength and specific stiffness, strong designability, good fatigue fracture resistance, corrosion resistance, good structural dimensional stability, and easy large-area integral forming. Important materials that cannot be replaced in national defense construction and technological development, such as bulletproof helmets, bulletproof clothing, helicopter wings, early warning aircraft radome, various high-pressure pressure vessels, civil aircraft candy bars, sporting goods, various high-temperature resistant products and excellent performance tire cord etc. However, because epoxy resin is insulating, the conductivity of ordinary carbon fiber rein...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08K7/06C08K3/04C08K7/00C08K3/08C08J5/04
Inventor 沈小军路帆曹正宁孟令轩王振安
Owner JIAXING LONGSHINE CARBON FIBER PROD
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