Process for producing carbon fibers from organic fibrous materia

Details Process for producing carbon fibers from organic fibrous materia Process for producing carbon fibers from organic fibrous materia

1973-05-29

1976-01-27

Woo, Jay H.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

264 29, 264DIG19, B29C 2500

Patent

active

039353010

ABSTRACT:
Organic fibrous material is changed to heat-stabilized material by heating in an atmosphere, and then the heat-stabilized material is carbonized in a carbonizing furnace at a temperature of from about 800.degree.C to 1600.degree.C.
When temperature at any given point in the furnace is plotted on a vertical axis and the particular location along the length of the carbonizing furnace is plotted on a horizontal axis, the slope of the resulting temperature profile above 800.degree.C either remains constant or decreases until the maximum temperature in the furnace is reached.

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patent: 3011981 (1961-12-01), Soltes
patent: 3508874 (1970-04-01), Rulison
patent: 3528774 (1970-09-01), Ezekiel et al.
patent: 3552923 (1971-01-01), Carpenter et al.
patent: 3572286 (1971-03-01), Forney
patent: 3634035 (1972-01-01), Stuetz et al.
patent: 3635675 (1972-01-01), Ezekiel
patent: 3656910 (1972-04-01), Ferment
patent: 3689220 (1972-09-01), Smudski

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