Alumina fiber with carbon inclusion and a method of producing th

Details Alumina fiber with carbon inclusion and a method of producing th Alumina fiber with carbon inclusion and a method of producing th

1989-03-01

1991-12-03

Barr, Josephine

Plastic and nonmetallic article shaping or treating: processes

Forming continuous or indefinite length work

Shaping by extrusion

264 292, 264 56, 26421115, 26421117, 252518, 252508, D01F 600

Patent

active

050698540

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 continuous 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 (1987-12-01), 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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