Block copolymer amine salts as charge directors for negative ele

Details Block copolymer amine salts as charge directors for negative ele Block copolymer amine salts as charge directors for negative ele

1992-05-21

1994-03-01

Kight, III, John

Radiation imagery chemistry: process, composition, or product th

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

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

430115, 430119, 430137, G03G 912

Patent

active

052906531

ABSTRACT:
A negative-working electrostatic liquid developer consists essentially of a nonpolar liquid having Kauri-butanol value less than 30; thermoplastic resin particles having an average particle size by area of less than 10 .mu.m; a salt of an AB diblock copolymer charge director compound as defined; and optionally a colorant and charge adjuvant; and process of making same.

REFERENCES:
patent: 4957844 (1990-09-01), Page
patent: 5035972 (1991-07-01), El-Sayed et al.
patent: 5106717 (1992-04-01), Houle et al.
patent: 5130221 (1992-07-01), El-Sayed et al.

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