Photoresponsive imaging members with protective copolyurethane o

Details Photoresponsive imaging members with protective copolyurethane o Photoresponsive imaging members with protective copolyurethane o

1988-11-02

1991-05-21

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524742, 524751, 524755, 528 58, 528 74, C08G 1867

Patent

active

050176455

ABSTRACT:
An imaging member comprised of a photoconductive layer, and a protective copolyurethane overcoating of the formula ##STR1## wherein A is a trivalent group; A' is a bivalent group; R is selected from the group consisting of alkylene, substituted alkylene, arylene, and substituted arylene; x and y are number mole fractions of from about 0.05 to about 0.95 subsequent to the provision that the sum of x+y is equal to 1.0. Also disclosed are processes for the preparation of the aforementioned copolyurethanes.

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