Flexible carbon material

Details Flexible carbon material Flexible carbon material

1986-08-20

1988-07-26

Ives, P. C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428288, 428289, 428290, 428291, 428408, 428172, 264 291, 162136, 1621681, 162171, 201 35, 427227, 427228, B32B 300, B32B 714, B32B 516

Patent

active

047599774

ABSTRACT:
A flexible carbon material is produced by carbonizing a composite material comprising carbon fibers having an average length of 6 to 50 mm and a binding agent. Carbon lumps are derived from the binding agent and are dispersed in a matrix of the carbon fibers so as to restrain a plurality of the carbon fibers while yet permitting relative slippage to occur as between the carbon fibers and carbon lumps such that the carbon fiber material exhibits a flexibility ratio D/d of not greater than 200 (where D is the diameter of curvature of the carbon material, when bent, just before breakage, and d is the thickness of the carbon material). The carbon fibers and lumps are preferrably present in an amount of from 5 to 50%, and 5 to 70% by volume, respectively, based upon the total volume of the carbon material.

REFERENCES:
patent: 3998689 (1976-07-01), Kitago et al.
patent: 4064207 (1977-12-01), DeCrescente et al.
patent: 4115528 (1978-09-01), Christner et al.
patent: 4365008 (1982-12-01), DeCasperis et al.
patent: 4426340 (1984-01-01), Goller et al.
Chemical Abstracts, vol. 101, No. 12 (1984).

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