Donald J Carolla

US Patent:

48227064, Apr 18, 1989

Filed:

Feb 26, 1988

Appl. No.:

7/160651

Inventors:

Donald J. Carolla - Plymouth MN

Assignee:

Minnesota Mining and Manufacturing Company - St. Paul MN

International Classification:

G03G 505
G03G 508

US Classification:

430 89

Abstract:

A persistent conductivity-type electrophotographic recording member comprising a nonconductive layer and a photoconductive layer disposed on one surface of the nonconductive layer, wherein the photoconductive layer comprises a photosensitive material substantially uniformly dispersed in a binder which consists essentially of a copolymer of styrene with at least one alkyl acrylate, the alkyl group of which comprises from four to twelve carbon atoms. The acid value of such copolymers is typically preferably below about 2, and more preferably below about 1.