Process for the production of carbon fiber paper

Details Process for the production of carbon fiber paper Process for the production of carbon fiber paper

1974-07-03

1976-12-21

Lindsay, Jr., Robert L.

Paper making and fiber liberation

Processes and products

With coating after drying

162145, 162146, 162168R, 162175, 162207, 427227, 427228, D21H 148

Patent

active

039986896

ABSTRACT:
A carbon fiber paper is obtained from a mixture of carbon fibers, pulp, organic fibers having a carbon yield of not less than 20% and a paper sheet binder in relative amounts such that the ratio of the carbon fibers to the pulp falls in the range of 40 - 90% by weight of carbon fibers to 60 - 10% by weight of pulp, the ratio of the organic fibers to the combined weight of said carbon fibers and pulp falls in the range of from 5 to 20% by weight and the ratio of the paper sheet binder to the combined weight of said carbon fibers, pulp and organic fibers falls in the range of from 5 to 50% by weight. The resultant mixture is shaped into the form of sheet to produce a mixed paper sheet, impregnated with an organic high molecular substance and baked to carbonize at a temperature of not less than 800.degree. C in an atmosphere of an inert gas.

REFERENCES:
patent: 3265557 (1966-08-01), De Fries et al.
patent: 3367851 (1968-02-01), Filreis et al.
patent: 3539296 (1970-11-01), Selke
patent: 3628985 (1971-01-01), Hider et al.
patent: 3671385 (1972-06-01), Trent et al.
patent: 3674621 (1972-07-01), Miyamoto et al.
patent: 3682595 (1972-08-01), Okuda et al.
patent: 3774299 (1973-11-01), Sato et al.
patent: 3829327 (1974-08-01), Omori et al.
patent: 3855056 (1974-12-01), Maeda
patent: 3891499 (1975-06-01), Kato et al.

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