Pretreatment of pan fiber

Details Pretreatment of pan fiber Pretreatment of pan fiber

1985-11-25

1987-04-28

Lusignan, Michael R.

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

4234474, 264 292, D01F 912, D01C 500

Patent

active

046613366

ABSTRACT:
The rate of preoxidation-stabilization of polyacrylonitrile carbon fiber precursors is substantially increased by applying an aqueous solution of an accelerator compound containing a C.dbd.N group such as guanidine carbonate to the fiber, suitably by immersing the fiber in a bath of the solution.

REFERENCES:
patent: 4031188 (1977-06-01), Kohler

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