Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1998-10-29
1999-12-14
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 5845, G03G 514
Patent
active
060015233
ABSTRACT:
The invention described in the specification provides an improved coating for an electrophotographic photoconductor printing system. In particular, a blend of polycarbonate-A and polycarbonate-Z binders according to the formula: ##STR1## wherein R.sup.1 is selected from the group consisting of CH.sub.2 an alkylidene group, a cycloalkyl group and a substituted cycloalkyl group, R.sup.2 and R.sup.3 are selected from the group consisting of hydrogen, halogen and an a CH.sub.3 group provides increased durability and wear properties to a charge transport layer coated onto a charge generation layer of a photoreceptor drum. The polycarbonate blend may be used with amine and hydrazone charge transport materials and the charge transport layer may include additional additives which further improve the wear properties of the photoconductor coatings in a laser printer.
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Kemmesat Paul Dwight
Neely Jennifer Kaye
Randolph Catherine Mailhe
Srinivasan Kasturi Rangan
Brady John A.
Goodrow John
Lexmark International Inc.
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