Linear carbonaceous fiber with improved elongability

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

1994-05-03

1996-04-02

Ryan, Patrick J.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428357, 428359, 428375, 428408, 521149, P02G 300

Patent

active

055039294

ABSTRACT:
A process for preparing a non-flammable linear non-graphitic carbonaceous polymeric fiber, yarn or tow having improved elongability containing 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: 4857394 (1989-09-01), McCullough, Jr. et al.
patent: 4937140 (1990-06-01), McCullough, Jr. et al.
patent: 4950540 (1990-09-01), McCullough, Jr. et al.
patent: 4999385 (1991-03-01), McCullough, Jr. et al.
patent: 5328764 (1994-07-01), McCullough, Jr. et al.

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