Process for producing carbon fibers having excellent physical pr

Details Process for producing carbon fibers having excellent physical pr Process for producing carbon fibers having excellent physical pr

1975-01-20

1977-01-04

Meros, Edward J.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

81155, 264 292, C01B 3107

Patent

active

040013820

ABSTRACT:
Carbon fibers having excellent physical properties are produced by a process which comprises heating acrylonitrile copolymer fibers made from an acrylonitrile copolymer produced by copolymerizing at least 80 mole % acrylonitrile and 0.3 to 6 mole % of an unsaturated monomer containing a carboxyl group and in which 0.1 to 15% of the terminal hydrogens of said carboxyl groups have been replaced with alkali metal cations or ammonium ions.

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