Electrically conductive barium sulfate filler and method for pre

Details Electrically conductive barium sulfate filler and method for pre Electrically conductive barium sulfate filler and method for pre

1997-07-31

1999-07-06

Mullis, Jeffrey C.

Coating processes

Particles, flakes, or granules coated or encapsulated

Solid encapsulation process utilizing an emulsion or...

42721331, 427215, 427216, 427217, C01F 1146

Patent

active

059195185

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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