Electrophotographic light-sensitive material

Details Electrophotographic light-sensitive material Electrophotographic light-sensitive material

1990-07-10

1992-04-14

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 49, 430 58, 430910, G03G 5087

Patent

active

051047608

ABSTRACT:
An electrophotographic light-sensitive material comprising a support having at least one photoconductive layer containing an inorganic photoconductive substance and a binder resin comprising (A) at least one resin containing not less than 30% by weight of a copolymerizable component corresponding to a repeating unit represented by the general formula (I) and having at least one acidic group selected from the group consisting of --PO.sub.3 H.sub.2, --SO.sub.3 H, --COOH, --OH ##STR1## (wherein R represents a hydrocarbon group of --OR' (wherein R' represents a hydrocarbon group)) and a cyclic acid anhydride-containing group at one of the terminals of the main chain thereof; ##STR2## 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 resin containing at least one polyester type macromonomer represented by the following general formula (IIIa), (IIIb), (IIIc), or (IIId): ##STR3## wherein the group in the brackets represents a recurring unit; 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 having from 1 to 8 carbon atoms, --COO--V.sub.1, or --COO--V.sub.2 bonded through a hydrocarbon group having from 1 to 8 carbon atoms (wherein V.sub.1 and V.sub.2 each represents a hydrocarbon group having from 1 to 18 carbon atoms); X.sub.1 represents a direct bond, --COO--, --OCO--, --CH.sub.2).sub.l.sbsb.1 COO--, --CH.sub.2).sub.l.sbsb.2 OCO-- (wherein l.sub.1 and l.sub.2 each represents an integer of from 1 to 3), ##STR4## wherein d.sub.1 represent a hydrogen atom or a hydrocarbon group having from 1 to 12 carbon atoms, --CONHCONH--, --CONHCOO--, --O--, ##STR5## or --SO.sub.2 --; Y.sub.1 represents a group bonding X.sub.1 to --COO--; W.sub.1 and W.sub.2, which may be the same or different, each represents a divalent aliphatic group, a divalent aromatic group (each of the aforesaid groups may have, in the bond of each divalent organic moiety, at least one bonding group selected from --O--, --S--, wherein d.sub.2 represents a hydrogen atom or a hydrocarbon group having from 1 to 12 carbon atoms), --SO.sub.2 --, --COO--, --OCO--, --CONHCO--, --NHCONH--, ##STR6## (wherein d.sub.3 has the same meaning as d.sub.2), ##STR7## (wherein d.sub.4 has the same meaning as d.sub.2), and ##STR8## or an organic moiety composed of a combination of these moieties; R.sub.31 represents a hydrogen atom or a hydrocarbon group; c.sub.3 and c.sub.4 have the same meaning as c.sub.1 and c.sub.2 ; X.sub.2 has the same meaning as X.sub.1 ; Y.sub.2 represents a group bonding X.sub.2 to --COO--; W.sub.3 represents a divalent aliphatic group; R.sub.32 has the same meaning as R.sub.31 ; R.sub.31 ' represents a hydrogen atom, a hydrocarbon group or --COR.sub.33 ' (wherein R.sub.33 ' represents a hydrocarbon group); Y.sub.1, represents a group bonding X.sub.1 to Z.sub.1 ; Z.sub.1 represents --CH.sub.2 --, --O--, or --NH--; Y.sub.2' represents a group bonding X.sub.2 to Z.sub.2 ; Z.sub.2 has the same meaning as Z.sub.1 ; and R.sub.32 ' has the same meaning as R.sub.31 '.

REFERENCES:
patent: 4952475 (1990-08-01), Kato et al.
patent: 4954407 (1990-09-01), Kato et al.
patent: 4960661 (1990-10-01), Kato et al.
patent: 4968572 (1990-11-01), Kato et al.
patent: 5009975 (1991-04-01), Kato et al.

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