Electrophotographic light-sensitive material comprising resin co

Details Electrophotographic light-sensitive material comprising resin co Electrophotographic light-sensitive material comprising resin co

1991-05-22

1993-10-12

Goodrow, John

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430127, G03G 5087

Patent

active

052524191

ABSTRACT:
An electrophotographic light-sensitive material comprising a support having provided thereon a photoconductive layer containing at least an inorganic photoconductive substance, a spectral sensitizer and a binder resin, wherein the binder resin contains (1) at least one resin (Resin (A)) which contains at least 30% by weight of a polymer component represented by the general formula (I) and a polymer component containing at least one acidic group selected from ##STR1## (wherein R represents a hydrocarbon group or --OR') and a cyclic acid anhydride-containing group, and which has at least one acidic group selected from the above-mentioned acidic groups at one terminal of the main chain of the copolymer; ##STR2## and (2) at least one graft type copolymer (Resin (B)) formed from at least one monofunctional macromonomer (M) and comprising an AB block copolymer composed of an A block comprising at least one polymer component containing at least one acidic group selected from ##STR3## and a cyclic acid anhydride-containing group, and a B block containing at least one polymer component represented by the general formula (III) having a polymerizable double bond group bonded to the terminal of the main chain of the B block polymer. ##STR4## X.sub.1 represents ##STR5## and R.sub.21 represents a hydrocarbon group, provided that, when X.sub.1 represents ##STR6## R.sub.21 represents a hydrogen atom or a hydrocarbon group.

REFERENCES:
patent: 4933246 (1990-06-01), Teuscher
patent: 5021311 (1991-06-01), Kato et al.

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