Phosphonitrile fluoroelastomer coated carrier particles for use

Details Phosphonitrile fluoroelastomer coated carrier particles for use Phosphonitrile fluoroelastomer coated carrier particles for use

1977-09-07

1978-06-27

Smith, Ronald H.

Coating processes

Measuring, testing, or indicating

Thickness or uniformity of thickness determined

252 621P, 252 6254, 260 2P, 260 4214, 427127, 427221, 428403, 428404, 428406, 428407, G03G 910, G03G 914

Patent

active

040976173

ABSTRACT:
Coated carrier particles for use in an electrophotographic process are prepared by applying a thin coating of a phosphonitrile fluoroelastomer to the surface of the carrier particles. The coated carriers are long lived and capable of imparting a negative triboelectric charge to electroscopic powders mixed therewith.

REFERENCES:
patent: 3271330 (1966-09-01), Evans
patent: 3438773 (1969-04-01), Hayashi et al.
patent: 3798167 (1974-03-01), Kukla et al.
patent: 3838073 (1974-09-01), Rose et al.
patent: 3888799 (1975-06-01), Rose et al.

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