Carbon fiber composite conductive paper and preparation method thereof

A composite conductive and carbon fiber technology, applied in the direction of carbon fiber, natural cellulose pulp/paper, special paper, etc., can solve the problems of uneven heating on the surface of electrothermal materials, unstable heating performance, low infrared radiation rate, etc. Circulation, easy transfer, good heat radiation effect

Active Publication Date: 2021-11-26
上海骏珲新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the deficiencies in the prior art, the purpose of the present disclosure is to provide a carbon fiber composite conductive paper and its preparation method, the purpose of which is to make the carbon fiber composite conductive paper form a stable three-dimensional conductive filling network structure, which can effectively solve the problem of existing conductive The surface of the electric heating material made of paper is uneven, the temperature difference is too large, the heating performance is unstable, the service life is low, and the infrared radiation rate is low.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] A carbon fiber composite conductive paper is composed of the following raw materials in mass percentage: 55% of wood fiber, 37.5% of chopped carbon fiber, 2% of graphene mixture, 0.5% of dispersant anionic polyacrylamide and 5% of low melting point copolyamide fiber.

[0070] In this embodiment 1, the matrix fibers include matrix long fibers and matrix short fibers, the length of the matrix long fibers is 0.7-1.2mm and the length of the matrix short fibers is 2.4-5mm; the matrix long fibers and The weight ratio of the matrix short fibers is 3:1.

[0071] In Example 1, the chopped carbon fibers are polyacrylonitrile carbon fibers with a length of 2mm, 3mm and 4mm, and the weight ratio of the three is 1:0.6:0.3; the chopped carbon fibers are sized and dried Water-dispersible chopped carbon fibers obtained by chopping carbon fibers.

[0072] In this embodiment 1, the graphene mixture is a mixture of graphene oxide and graphite powder, and the weight ratio of the two is 1:...

Embodiment 2

[0075] A carbon fiber composite conductive paper, which is composed of the following raw materials in mass percentage: 95.9% of cotton fiber, 2% of chopped carbon fiber, 0.2% of graphene mixture, 0.1% of dispersant anionic polyacrylamide and 1.8% of ethylene-vinyl acetate copolymer fiber %.

[0076] In this embodiment 2, the matrix fibers include matrix long fibers and matrix short fibers, the length of the matrix long fibers is 0.7-1.2mm and the length of the matrix short fibers is 2.4-5mm; the matrix long fibers and The weight ratio of the matrix short fibers is 4:1.

[0077] In Example 2, the chopped carbon fibers are polyacrylonitrile carbon fibers with a length of 2mm, 3mm and 4mm, and the weight ratio of the three is 1:0.7:0.4; the chopped carbon fibers are sized and dried Water-dispersible chopped carbon fibers obtained by chopping carbon fibers.

[0078] In this embodiment 2, the graphene mixture is formed by mixing graphene oxide and graphite powder, and the weight ...

Embodiment 3

[0081] A carbon fiber composite conductive paper, composed of the following raw materials in mass percentage: 75% polyester fiber, 20.7% chopped carbon fiber, 1% graphene mixture, 0.3% dispersant polyethylene oxide and 3% low melting point thermoplastic fiber .

[0082] In this embodiment 3, the matrix fibers include matrix long fibers and matrix short fibers, the length of the matrix long fibers is 0.7-1.2mm and the length of the matrix short fibers is 2.4-5mm; the matrix long fibers and The weight ratio of the matrix short fibers is 5:1.

[0083] In Example 3, the chopped carbon fibers are polyacrylonitrile carbon fibers with a length of 2mm, 3mm and 4mm, and the weight ratio of the three is 1:0.8:0.5; the chopped carbon fibers are sized and dried Water-dispersible chopped carbon fibers obtained by chopping carbon fibers.

[0084] In this embodiment 3, the graphene mixture is formed by mixing graphene oxide and graphite powder, and the weight ratio of the two is 1:20; the ...

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Abstract

The invention provides carbon fiber composite conductive paper. The carbon fiber composite conductive paper is prepared from raw materials in percentage by mass as follows: 55%-95.9% of matrix fibers, 2%-37.5% of short carbon fibers, 0.2%-2% of a graphene mixture, 0.1%-0.5% of a dispersant and 1.8%-5% of hot-melt adhesive fibers. The invention further provides a preparation method of the carbon fiber composite conductive paper. The problems that an electric heating material prepared from existing conductive paper is uneven in surface heating, too large in temperature difference, unstable in heating performance, short in service life, low in infrared radiance and the like are effectively solved. The carbon fiber composite conductive paper can be widely applied to various planar far infrared electric heating elements.

Description

technical field [0001] The present disclosure relates to the technical field of conductive paper, in particular to a carbon fiber composite conductive paper and a preparation method thereof. Background technique [0002] Carbon fiber conductive paper should have excellent infrared performance. The electrothermal material prepared by carbon fiber conductive paper has high electrothermal conversion efficiency, and the infrared radiation can generally reach more than 60%. It is widely used in floor heating, rehabilitation physiotherapy, food drying, sterilization, and wearable equipment , household appliances and other fields. [0003] Chinese Patent Publication No. CN102226325A discloses a kind of far-infrared carbon fiber low-temperature conductive heating paper, including raw pulp board, carbon fiber, nanometer far-infrared negative ion powder and diffusing agent. In this scheme, the pulp is beaten and impregnated with carbon fibers that have undergone carbonization treatme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H11/00D21H11/12D21H13/50D21H13/26D21H13/24D21H15/02D21H13/00D21H17/00D21F11/06D21H27/00D06M15/53D06M15/285D06M101/40
CPCD21H11/00D21H11/12D21H13/50D21H13/26D21H13/24D21H15/02D21H13/00D21H17/00D21F11/06D21H27/00D06M15/53D06M15/285D06M2200/40D06M2101/40
Inventor 全俊成王婼楠吴亚琪尚建勋马玉梅
Owner 上海骏珲新材料科技有限公司
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