Electrically-conductive colorless transparent barium sulfate fil

Details Electrically-conductive colorless transparent barium sulfate fil Electrically-conductive colorless transparent barium sulfate fil

1996-05-23

1997-12-16

Nakarani, D. S.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

252518, 428328, 428330, 428403, 428404, B32B 516, C01F 1146, H01B 108

Patent

active

056983158

ABSTRACT:
A electrically-conductive barium sulfate filler and a method for preparing same are herein disclosed and it comprises a particulate core material composed of barium sulfate provided thereon with a coating film of tin dioxide which may be optionally doped with niobium or tentalum, the bare core material free of coating film having a specific surface area ranging from 0.1 to 150 m.sup.2 /g and the film having a thickness ranging from 2 to 80 nm.

REFERENCES:
patent: 4389451 (1983-06-01), Fujioka et al.
patent: 4613539 (1986-09-01), Hormadaly

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