Process for producing non-woven fabrics of carbon fibers

Details Process for producing non-woven fabrics of carbon fibers Process for producing non-woven fabrics of carbon fibers

1989-02-23

1991-04-02

Weston, Caleb

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156242, 4234471, 4234474, 264 291, 264 295, 264 296, B32B 1102

Patent

active

050045113

ABSTRACT:
A process is provided for producing non-woven fabrics in which adhered points supporting the non-woven fabrics structure are the same carbon materials with the component fibers and which is superior in strength, dimensional stability, heat-resisting property, chemical resistance, electric conductivity, etc.
This process comprises mixing spun pitch fibers or insufficiently infusiblized pitch fibers with infusiblized pitch fibers or carbonized pitch fibers, shaping the mixture into a sheet or the like and thereafter carbonizing the shaped mixture in the atmosphere of an inert gas to mutually fix the component fibers by utilizing the adhering property of the spun pitch fibers or the insufficiently infusiblized pitch fibers during the carbonization.

REFERENCES:
patent: 4350672 (1982-09-01), Layden et al.
patent: 4776995 (1988-10-01), Nelson et al.
patent: 4849200 (1989-07-01), Uemura et al.

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