Electrophotographic photosensitive member, and apparatus and pro

Details Electrophotographic photosensitive member, and apparatus and pro Electrophotographic photosensitive member, and apparatus and pro

1997-07-02

1999-03-02

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 96, G03G 505

Patent

active

058768882

ABSTRACT:
A surface layer of a photosensitive layer contains at least one resin selected from the group consisting of (a) a polyarylate resin having a structural unit represented by the following general formula (1) and (b) a polycarbonate resin having a structural unit represented by the following general formula (2): ##STR1## wherein, X.sub.1 and X.sub.2 are each single bond, --O--, --S-- or substituted or unsubstituted alkylene and are the same or different, R.sub.1 to R.sub.8 and R.sub.11 to R.sub.14 are each hydrogen, halogen, or substituted or unsubstituted alkyl or aryl and are the same or different, and R.sub.9 and R.sub.10 are each hydrogen, halogen, or substituted or unsubstituted silyl, alkyl or aryl and are the same or different, and n is an integer of 2 or more; ##STR2## wherein X.sub.3 and X.sub.4 are each single bond, --O--, --S-- or substituted or unsubstituted alkylene and are the same or different, R.sub.15 to R.sub.22 are each hydrogen, halogen, substituted or unsubstituted alkyl or aryl and are the same or different, R.sub.23 and R.sub.24 are each hydrogen, halogen, substituted or unsubstituted silyl, alkyl or aryl and are the same or different, and m is an integer of 2 or more.

REFERENCES:
patent: 3837851 (1974-09-01), Shattuck et al.
patent: 3871880 (1975-03-01), Montillier
patent: 3935154 (1976-01-01), Cawley
patent: 5254423 (1993-10-01), Mayama et al.
patent: 5418099 (1995-05-01), Mayama et al.
patent: 5492786 (1996-02-01), Sugimura et al.
patent: 5693443 (1997-12-01), Nakamura et al.

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