Cyclization of acrylic fiber

Details Cyclization of acrylic fiber Cyclization of acrylic fiber

1984-07-19

1986-07-29

Cooper, Jack

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234476, 264 292, D01F 922

Patent

active

046030417

ABSTRACT:
Improved process for producing a carbon fiber having high tensile strength and high modulus involves oxidation of acrylonitrile fiber which has been treated with selected ammonium salts, from the group of ammonium sulfamate, ammonium bromide and ammonium iodide.

REFERENCES:
patent: 3661616 (1972-05-01), Miyamichi
patent: 3767773 (1973-10-01), Turner et al.
patent: 4024227 (1977-05-01), Kishimoto et al.
patent: 4336022 (1982-06-01), Lynch et al.
patent: 4349523 (1982-09-01), Hiramatsu et al.
Research Disclosure Journal, May, 1977, p. 15.

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