Process of thermally stabilizing pan fibers

Details Process of thermally stabilizing pan fibers Process of thermally stabilizing pan fibers

1992-05-07

1993-10-26

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Filaments

264 296, 264 297, 264 83, 4234476, 4234477, 4234478, D01F 922

Patent

active

052563448

ABSTRACT:
PAN-based precursors are stabilized prior to carbonization in separate non-oxidizing and oxidizing environments according to process of the invention. Advantages of process include safer, more rapid stabilization and increase in the types of polymers which may be effectively stabilized.

REFERENCES:
patent: 3775520 (1973-11-01), Ram et al.
patent: 3862334 (1975-01-01), Turner
patent: 3961888 (1976-06-01), Riggs

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