Developing powder composition containing a fluorine-modified alk

Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...

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430109, 430903, G03G 914

Patent

active

044304080

ABSTRACT:
Developing powder compositions containing a fluorine-modified alkyl siloxane and a surface treatment of carbon black are disclosed. The toner powders exhibit reduced sensitivity to machine conditions and provide copies whose images are sharply defined, have substantially reduced image fill-in, substantially reduced backgrounding, and good image density.

REFERENCES:
patent: 3558492 (1971-01-01), Proskow
patent: 3652315 (1972-03-01), Matsuo et al.
patent: 4265993 (1981-05-01), Kawanishi et al.

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