Liquid developer compositions with charge adjuvants of a copolym

Details Liquid developer compositions with charge adjuvants of a copolym Liquid developer compositions with charge adjuvants of a copolym

1994-10-31

1995-12-26

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

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

430114, G03G 8135

Patent

active

054786886

ABSTRACT:
A positively charged liquid developer comprised of liquid, thermoplastic resin particles, optional pigment, a charge director, and an insoluble charge adjuvant comprised of a copolymer of an alkyl acrylamidoglycolate alkyl ether and an alkenylester, and wherein the charge adjuvant is associated with or combined with said resin and said optional pigment, and which charge adjuvant is of the formula ##STR1## wherein R.sup.1 is hydrogen or alkyl of 1 to 20 carbons; R.sup.2 is H, alkyl of 1 to 20, aryl of 6 to 20 carbons, and aryl alkyl of 7 to 35 carbons; m is from 0 to about 10; and wherein the alkyl and aryl groups optionally contain heteroatoms of F, Cl, O, S, N, Si, and P; R.sup.3 and R.sup.4 are alkyl; and x and y represent the number of segments.

REFERENCES:
patent: 4707429 (1987-11-01), Trout
patent: 4988597 (1991-01-01), Spiewak et al.
patent: 5019477 (1991-05-01), Felder
patent: 5026621 (1991-06-01), Tsubuke et al.
patent: 5030535 (1991-07-01), Drappel et al.
patent: 5035972 (1991-07-01), El-Sayed et al.
patent: 5235016 (1993-08-01), Vafa et al.
patent: 5244762 (1993-09-01), Spiewak et al.

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