Electrophotographic light-sensitive material

An electrophotographic light-sensitive material comprising a support having provided thereon at least one photoconductive layer containing an inorganic photoconductive substance and a binder resin, wherein the binder resin comprises (A) at least one resin having a weight average molecular weight of from 1.times.10.sup.3 to 2.times.10.sup.4 and containing not less than 30% by weight of a copolymerizable component corresponding to a repeating unit represented by the general formula (I) described below and from 0.5 to 20% by weight of a copolymerizable component having at least one acidic group selected from the group consisting of --PO.sub.3 H.sub.2, --SO.sub.3 H, --COOH, --OH, ##STR175## (wherein R represents a hydrocarbon group or --OR' (wherein R' represents a hydrocarbon group)) and a cyclic acid anhydride-containing group;

• ##STR176## wherein a.sub.1 and a.sub.2 each represents a hydrogen atom, a halogen atom, a cyano group or a hydrocarbon group;
• and R.sub.1 represents a hydrocarbon group;
• and (B) at least one copolymer having a weight average molecular weight of from 5.times.10.sup.4 to 1.times.10.sup.6 and comprising at least a monofunctional macromonomer (M) having a weight average molecular weight of not more than 2.times.10.sup.4 and a monomer represented by the general formula (V) described below, the macromonomer (M) comprising at least one polymerizable component corresponding to a repeating unit represented by the general formulae (IVa) and (IVb) described below, and at least one polymerizable component containing at least one acidic group selected from --COOH, --PO.sub.3 H.sub.2, --SO.sub.3 H, --OH, ##STR177## (wherein R.sub.0 represents a hydrocarbon group or --OR.sub.0 ' (wherein R.sub.0 ' represents a hydrocarbon group)), --CHO, and an acid anhydride-containing group, and the macromonomer (M) having a polymerizable double bond group represented by the general formula (III) described below bonded to only one terminal of the main chain of the polymer;
• ##STR178## wherein X.sub.0 represents --COO--, --OCO--, --CH.sub.2 OCO--, --CH.sub.2 COO--, --O--, --SO.sub.2 --, --CO--, --CONHCOO--, --CONHCONH--, ##STR179## (wherein R.sub.31 represents a hydrogen atom or a hydrocarbon group), and c.sub.1 and c.sub.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a cyano group, a hydrocarbon group, --COO--Z.sub.1 or --COO--Z.sub.1 bonded via a hydrocarbon group (wherein Z.sub.1 represents a hydrogen atom or a hydrocarbon group which may be substituted);
• ##STR180## wherein X.sub.1 has the same meaning as X.sub.0 in the general formula (III);
• Q.sub.1 represents an aliphatic group having from 1 to 18 carbon atoms or an aromatic group having from 6 to 12 carbon atoms;
• d.sub.1 and d.sub.2, which may be the same or different, have the same meaning as c.sub.1 and c.sub.2 in the general formula (III);
• and Q.sub.0 represents --CN, --CONH.sub.2, or ##STR181## (wherein Y represents a hydrogen atom, a halogen atom, an alkoxy group or --COOZ.sub.2 (wherein Z.sub.2 represents an alkyl group, an aralkyl group, or an aryl group));
• ##STR182## wherein X.sub.2 has the same meaning as X.sub.1 in the general formula (IVa);
• Q.sub.2 has the same meaning as Q.sub.1 in the general formula (IVa);
• and e.sub.1 and e.sub.2, which may be the same or different, have the same meaning as c.sub.1 and c.sub.2 in the general formula (III).