Compositions – Electrically conductive or emissive compositions – Elemental carbon containing
Patent
1996-05-22
1998-07-07
McGinty, Douglas J.
Compositions
Electrically conductive or emissive compositions
Elemental carbon containing
252510, H01B 124, H01B 118
Patent
active
057763720
ABSTRACT:
The present invention provides
a carbon composite material which is a molded material comprising (a) an expanded graphite powder and (b) a thermoplastic resin or a thermosetting resin or a fired product of the thermosetting resin, and the expanded graphite powder (a) being dispersed in the component (b); wherein the expanded graphite powder has an average particle diameter of 5-12 .mu.m and at least 80% of the total particles of the expanded graphite powder have particle diameters of 0.1-20 .mu.m; and
a process for producing a carbon composite material, which comprises mixing and dispersing a thermoplastic or thermosetting resin and the expanded graphite powder as mentioned above, and then pressure-molding the resulting mixture at room temperature to 400.degree. C., or a process for producing a carbon composite material, which comprises mixing and dispersing a thermosetting resin and the expanded graphite powder as mentioned above, pressure-molding the resulting mixture at room temperature to 400.degree. C., and firing the resulting molding at 700.degree.-3,000.degree. C. in a non-oxidizing atmosphere.
The carbon composite material produced by the above process is free from the problems of the prior art and is superior in both gas non-permeability and electroconductivity.
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Hagiwara Atsushi
Saito Kazuo
Tanno Fumio
McGinty Douglas J.
Nisshinbo Industries Inc.
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