Linear carbonaceous fiber with improved elongability

Details Linear carbonaceous fiber with improved elongability Linear carbonaceous fiber with improved elongability

1992-04-30

1994-07-12

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

D02G 300

Patent

active

053287649

ABSTRACT:
A process for preparing a non-flammable linear non-graphitic carbonaceous polymeric fiber, yarn or tow having improved elongability which comprises the step of heat treating a linear stabilized polymeric fiber, yarn or tow having an LOI greater than 40 without any substantial tension or stress in an inert non-oxidizing atmosphere at a temperature so as to irreversibly heat set said fiber yarn or tow.

REFERENCES:
patent: 4844974 (1989-07-01), McCullough, Jr. et al.
patent: 4857394 (1989-08-01), McCullough, Jr. et al.
patent: 5051216 (1991-09-01), Nakatani et al.

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