CN1121128A

CN1121128A - Carbon fibre paper and its production process

Info

Publication number: CN1121128A
Application number: CN 94115515
Authority: CN
Inventors: 陈耀庭; 周明义
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-09-10
Filing date: 1994-09-10
Publication date: 1996-04-24

Abstract

The prodn process features that to paper pulp, 1-30% carbon fibre is added, and the carbon fibre paper is produced via pulping, papermaking and stoving. The said product has stable conductivity, high strength, winding capacity, small specific weight and good workability, and it is suitable for prodn of antistatic products and heating elements.

Description

A kind of carbon fiber paper and preparation method thereof

The present invention relates to a kind of carbon fiber paper and preparation method thereof, be used for anti-static material and heating element.

At present, except that wire and infrared radiation heater, novel heating paper has also had development, the graphite heating scraps of paper for example, but in this graphite heating scraps of paper manufacturing process, seriously polluted, its product strength is low, can not circumnutate again, proportion is also big, and thickness is thick, and efficient is low, especially the electrical property instability is also unsuitable bonding.

The objective of the invention is to overcome shortcoming that above-mentioned prior art exists with not enough, and a kind of carbon fiber paper of making of carbon fiber is provided, have that electric conductivity is stable, intensity is big, proportion is little, the characteristics of thin thickness.

The objective of the invention is to realize by following technical proposal:

Carbon fiber paper, it is characterized in that in paper pulp, adding the carbon fiber of 1-30% (% meter by weight), form through the paper of pulling an oar, copy, oven dry, the carbon fiber that in paper pulp, adds 1-5%, the carbon fiber paper of making has antistatic property, and its sheet resistance reduces, discharge electric charge, be used to make anlistatig product; As be used for that electrical package, computer floor are antistatic, medical gloves, protective articles; Increase along with content, resistance reduces, when by electric current, can convert electric energy to heat energy, when the adding carbon fiber is 5-30%, this carbon fiber paper can be used as electric heating device and is applicable to 24V, 36V, 220V supply voltage, paper pulp can be made of string or synthetic fiber or mineral fibres, make the carbon fiber paper that adds the carbon fiber making in the paper pulp at mineral fibres, except that above-mentioned advantage, also have do not burn, high temperature resistant, robust performance, for example use asbestos, glass fibre, ceramic fibre.

Carbon fiber is that acrylonitrile fiber, viscose and pitch fibers are a kind ofly had electric conductivity, intensity height, a corrosion resistant fiber shape carbon materials by what carry out under nitrogen protection that high-temperature process obtains, therefore adds it and can produce antistatic property and electric conductivity in paper pulp.

The preparation method of carbon fiber paper comprises slurrying, pulls an oar, copies paper, oven dry, pulls an oar, copies paper again after it is characterized in that adding carbon fiber in the paper pulp of preparation, and oven dry can be finished then, and the shearing length of carbon fiber is 2-25mm.

Owing to take technique scheme, compared with the prior art the present invention has following advantage and effect:

A) this carbon fiber paper has that electric conductivity is stable, intensity is high, can circumnutate, proportion is little, thin thickness, efficient height, can bonding, good processability;

B) preparation method is simple, pollution-free, raw material sources are wide, cost is low;

C) purposes is wide, function is many.

Embodiment 1

The paper pulp made from synthetic fiber adds 2% carbon fiber, and shearing length is 5mm, pulls an oar, copies paper, oven dry again, can produce anlistatig carbon fiber paper, as be used to make that electrical package, computer floor are antistatic, medical gloves, protective articles.

Embodiment 2

With the paper pulp that string is made, add 10% carbon fiber, shearing length is 15mm, through pulling an oar, copying paper, oven dry, can make the carbon fiber paper with electric conductivity, can make heating element heater, is applicable to the 220V supply voltage.

Embodiment 3

Add 30% carbon fiber with the paper pulp of asbestos deposit fibres system, shearing length is 10mm, through making beating, copy paper, oven dry, can make and has conductive carbon fibers paper, is applicable to the supply voltage of 24V, 36V, 220V.

Carbon fiber paper of the present invention can be made into the element of series of products and different purposes as required.

Claims

1. carbon fiber paper is characterized in that adding the carbon fiber of 1-30% (% meter by weight) in paper pulp, again through making beating, copy paper, oven dry and get.

2. carbon fiber paper according to claim 1 is characterized in that in paper pulp adding the carbon fiber of 1-5%, again through making beating, copy paper, oven dry and get.

3. carbon fiber paper according to claim 1 is characterized in that in paper pulp adding the carbon fiber of 5-30%, again through making beating, copy paper, oven dry and get.

4. carbon fiber paper according to claim 1 is characterized in that paper pulp can be with string or synthetic fiber or mineral fibres.

5. according to claim 1,2,3 described carbon fiber papers, it is characterized in that the shearing length of the carbon fiber that adds is 2-25mm.

6. carbon fiber paper according to claim 4 is characterized in that mineral fibres can be asbestos, glass fibre, ceramic fibre.

7. the preparation method of carbon fiber paper comprises slurrying, pulls an oar, copies paper, oven dry, pulls an oar, copies paper again after it is characterized in that adding carbon fiber in the paper pulp of preparation, and oven dry gets final product then.