Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Patent
1994-02-24
1995-04-25
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, 430904, G03G 9097
Patent
active
054097967
ABSTRACT:
A positively charged liquid developer comprised of thermoplastic resin particles, optional pigment, a charge director, and a charge adjuvant comprised of a polymer of an alkene and unsaturated acid derivative; and wherein the acid derivative contains pendant ammonium groups, and wherein the charge adjuvant is associated with or combined with said resin and said optional pigment.
An example of a charge adjuvent copolymer compound containing alkylene and an unsaturated acid derivative such as acrylic acid and methacrylic acid containing pendent ammonium groups is represented, for example, by the following general formula ##STR1## wherein Z is oxygen or substituted nitrogen; Y is alkyl; R is hydrogen, alkyl or aryl; and X is an anion.
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General Chemistry, Third Edition, Brady et al., p. 705 (1982).
Bonsignore Frank J.
Fuller Timothy J.
Larson James R.
Mosher Ralph A.
Pan David H.
Palazzo E. O.
Rodee Christopher D.
Xerox Corporation
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