Electrostatographic developer compositions using terpolymer coat

Details Electrostatographic developer compositions using terpolymer coat Electrostatographic developer compositions using terpolymer coat

1978-10-30

1980-06-03

Martin, Jr., Roland E.

Radiation imagery chemistry: process, composition, or product th

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

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

430111, 428407, 260 4214, G03G 910, B32B 1502

Patent

active

042060656

ABSTRACT:
Electrostatographic developer mixtures comprising finely-divided toner particles electrostatically clinging to the surface of carrier particles comprising a core having an outer coating thereon selected from terpolymers of vinyl chloride/vinyl acetate/vinyl alcohol and vinyl chloride/vinyl acetate/dibasic acid. The coated carrier particles have negative triboelectric charging properties and are particularly useful in reversal development systems. Imaging processes are also disclosed.

REFERENCES:
patent: 2876133 (1959-03-01), Iler et al.
patent: 3133893 (1964-05-01), Newman
patent: 3305498 (1967-02-01), Herman et al.
patent: 3364186 (1968-01-01), Wilhelm et al.
patent: 3519593 (1970-07-01), Bolger
patent: 3669885 (1972-06-01), Wright et al.
patent: 3676350 (1972-07-01), Wright et al.
patent: 3906088 (1975-09-01), Trichot
patent: 3916065 (1975-10-01), Moriconi et al.
"Electrographic Carrier Vehicle and Developer Composition," Res. Discl., Prod. Lic. Index, Aug., 1972, pp. 59-60.

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