Electrophotographic toner

Details Electrophotographic toner Electrophotographic toner

1991-09-11

1993-01-12

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

430107, G03G 9097

Patent

active

051789841

ABSTRACT:
A positively chargeable electrophotographic toner is disclosed, which is prepared by adding to toner particles silica fine particles having been surface treated with a homo-or copolymer comprising, as a monomer component, a dialkylaminoalkyl acrylate or a dialkylaminoalkyl methacrylate in the form of a quaternary ammonium salt. The toner has improved fluidity and improved anti-caking properties while exhibiting satisfactory charging properties and environmental stability and causing no image defects.

REFERENCES:
patent: 4640882 (1987-02-01), Mitsuhashi et al.
patent: 4680245 (1987-07-01), Suematsu et al.
patent: 4902598 (1990-02-01), Winnik et al.

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