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High conductivity carbon fiber board and preparation method thereof

A high-conductivity, carbon fiber board technology, used in chemical instruments and methods, non-polymer adhesive additives, epoxy resin glue, etc., can solve the problems of electrical conductivity, thermal conductivity, poor electrical conductivity, etc. The effect of good combustion performance, enhanced strength and improved electrical conductivity

Inactive Publication Date: 2018-07-31
ANHUI XUSHENG NEW CONCEPT MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of this carbon fiber plate is that once the carbon fiber plate breaks in the middle, its electrical conductivity and thermal conductivity will be affected, resulting in poor overall electrical conductivity.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0024] The present invention also proposes a method for preparing a high-conductivity carbon fiber plate, comprising the following steps:

[0025] 6) 1-10 carbon nanotubes, 2-5 composite melamine cyanurate, 30-60 parts epoxy resin

[0026] 7) Stir and mix evenly, and the stirring time is 30 minutes to 2 hours to obtain the mixture;

[0027] 8) Add 10-40 parts of curing agent to the mixture, stir and mix for 1-5 hours to obtain a highly conductive carbon fiber adhesive resin;

[0028] 9) Carbon black can be further added to the highly conductive carbon fiber bonding resin;

[0029] 10) Use an impregnation machine to coat the highly conductive adhesive resin on the carbon fiber cloth, the coating thickness is 100-400um, the coating heating temperature is 40-80 degrees, the coating time is 10-100min, and it is cooled at room temperature for more than 2h. Obtain coated carbon fiber cloth;

[0030] 11) Coating an adhesive between two layers of coated carbon fiber cloth, and then...

Embodiment 1

[0033] 1. Select carbon fiber woven cloth, take 2 parts of carbon nanotubes, 3 parts of flame retardant, and 60 parts of adhesive resin and mix them for 1 hour to obtain a mixture;

[0034] 2. Add 30 parts of aliphatic polyamine curing agent and 5 parts of carbon black to the mixture, and stir again for 1 hour to obtain a highly conductive carbon fiber adhesive resin;

[0035] 3. Use an impregnation machine to coat the highly conductive adhesive resin on the carbon fiber cloth, the coating thickness is 200um, the coating heating temperature is 50 degrees, the coating time is 30min, and the cooling is at room temperature for more than 2 hours, and the coated carbon fiber cloth is obtained;

[0036] 4. Coating an adhesive between two layers of coated carbon fiber cloth, hot-melt glue for the adhesive, and then pressing the multi-layer coated carbon fiber cloth through a hot press to obtain a high-conductivity carbon fiber board.

[0037] The resistivity of the sample was measure...

Embodiment 2

[0039] 1. Select carbon fiber woven cloth, take 4 parts of carbon nanotubes, 4 parts of flame retardant, and 55 parts of adhesive resin and mix them for 1 hour to obtain a mixture;

[0040] 3. Add 35 parts of aliphatic polyamine curing agent and 2 parts of carbon black to the mixture, and stir again for 1 hour to obtain a highly conductive carbon fiber adhesive resin;

[0041] 3. Use an impregnation machine to coat the highly conductive adhesive resin on the carbon fiber cloth, the coating thickness is 200um, the coating heating temperature is 50 degrees, the coating time is 30min, and the cooling is at room temperature for more than 2 hours, and the coated carbon fiber cloth is obtained;

[0042] 4. Coating an adhesive between two layers of coated carbon fiber cloth, hot-melt glue for the adhesive, and then pressing the multi-layer coated carbon fiber cloth through a hot press to obtain a high-conductivity carbon fiber board.

[0043] The resistivity of the sample was measure...

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PUM

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Abstract

The invention relates to the technical field of new energy automobile materials, and in particular relates to a high conductivity carbon fiber board and a preparation method thereof. The high conductivity carbon fiber board comprises multi layers of carbon fiber cloth and a conductive flame-retardant deposit attached to the carbon fiber cloth. The conductive flame-retardant deposit comprises 0.3-5parts by weight of a conductive filler which is carbon nanotubes, 2-5 parts by weight of a flame retardant, 10-40 parts by weight of a curing agent and 40-60 parts by weight of binder resin. The object of the present invention is to provide the high conductivity carbon fiber board with good flame retardancy and good electrical conductivity and the preparation method thereof.

Description

technical field [0001] The invention relates to the technical field of new energy automobile materials, in particular to a high-conductivity carbon fiber plate and a preparation method thereof. Background technique [0002] Carbon fiber sheet has good properties such as high tensile strength, corrosion resistance, shock resistance and impact resistance. It is widely used in aviation, sports equipment, construction industry, fire protection and other fields. Its molding process is to impregnate carbon fiber with resin, solidify it in the mold and continuously pultrude it. Using high-quality carbon fiber raw materials and good basic resin, the carbon fiber sheet has good properties such as high tensile strength, corrosion resistance, shock resistance, impact resistance, electrical conductivity and flame retardancy. [0003] The disadvantage of this carbon fiber plate is that once the middle of the carbon fiber plate breaks, its electrical conductivity and thermal conductivity...

Claims

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Application Information

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IPC IPC(8): B32B9/00B32B9/04B32B33/00B32B7/12B32B37/06B32B37/10C09J163/00C09J161/06C09J161/20C09J11/06C09J11/04
CPCC09J11/04C09J11/06C09J161/06C09J161/20C09J163/00B32B5/02B32B5/26B32B7/12B32B33/00B32B37/06B32B37/10B32B2307/3065B32B2307/202B32B2250/20B32B2255/26B32B2255/02C08K5/34928C08K3/04C08K2201/011C08K7/24
Inventor 蔡福泉
Owner ANHUI XUSHENG NEW CONCEPT MATERIAL CO LTD
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