| abstract |
An electrophotographic photoreceptor comprising a support having provided thereon at least one photoconductive layer containing at least inorganic photoconductive particles and a binder resin, wherein the binder resin comprises.n (A) at least one resin having a weight average molecular weight of from 1 x 10 3 to 2 x 10 4 with at least one substituent selected from (i) -P0 3 H 2 , (ii) -S0 3 H, (iii) -COOH,n wherein R represents a hydrocarbon group or -OR', and R' represents a hydrocarbon group, (v) -SH, (vi) a phenolic hydroxyl group, and (vii) a cyclic acid anhydride-containing group, the substituent being bonded to one or both of the terminals of the main chain thereof, and (B) at least one copolymer resin comprising a monofunctional macromonomer and a monomer, said monofunctional macromonomer having a weight average molecular weight of not more than 2 x 10 4 , said macromonomer containing at least one polymerization component represented by formula (b-2) or (b-3): |