Alumina fiber and a method of producing the same

Details Alumina fiber and a method of producing the same Alumina fiber and a method of producing the same

1990-02-22

1991-09-24

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252508, 428374, 428319, 501 95, H01B 106, B32B 1500

Patent

active

050512102

ABSTRACT:
An electrically conductive alumina fiber which heretofore known only as electrically insulative is now provided, which comprises an aluminum oxide matrix, and a continuous phase of carbon in the aluminum oxide matrix, the continued phase of carbon affording an electrically conductive property to the fiber. Also, a method of producing the alumina fiber is disclosed, comprising pyrolyzing a fiber of poly[(acyloxy)aloxane)] having a formula ##STR1## wherein, R.sub.1 represents CH.sub.2 CH.sub.2 OCH.sub.2 CH.sub.3, R.sub.2 represents ##STR2## or other substituted aromatic group, in an inert atmosphere.

REFERENCES:
patent: 4716055 (1989-12-01), Sanders et al.
patent: 4724109 (1988-02-01), Yamashita et al.
patent: 4801502 (1989-01-01), Weinrotter et al.
patent: 4997601 (1991-03-01), Mininni et al.

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