Electrophotographic light-sensitive material

Details Electrophotographic light-sensitive material Electrophotographic light-sensitive material

1990-09-14

1992-05-26

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 49, G03G 5087

Patent

active

051167107

ABSTRACT:
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 at least one graft copolymer resin (A) having a weight average molecular weight of from 1.times.10.sup.3 to 2.times.10.sup.4 formed from a monofunctional macromonomer (MA) and a monomer represented by the general formula (III) described below,and having a component containing at least one specified acidic group bonded to only one of the terminals of the main chain thereof, the monofunctional macromonomer (M) having a weight average molecular weight of not more than 2.times.10.sup.4, containing at least one polymer component corresponding to a repeating unit represented by the general formula (IIa) or (IIb) described below, and having a polymerizable double bond-containing group represented by the general formula (I) described below bonded to only one of the terminals of the main chain of the macromonomer: ##STR1## wherein A.sub.0, a.sub.1 and a.sub.2 are as defined in the specification: ##STR2## wherein A.sub.1, B.sub.1, b.sub.1, b.sub.2 and B.sub.0 are as defined in the specification: ##STR3## wherein A.sub.2, B.sub.2, c.sub.1 and c.sub.2 are as defined in the specification; and at least one copolymer resin (B) having a weight average molecular weight of from 5.times.10.sup.4 to 1.times.10.sup.6 and formed from at least a monofunctional macromonomer (MB) having a weight average molecular weight of not more than 2.times.10.sup.4 and a monomer represented by the general formula (III) described above, the macromonomer (MB) comprising at least one polymer component corresponding to a repeating unit represented by the general formula (IIa) or (IIb) described above, and at least one polymer component containing at least one specified acidic group, and the macromonomer (MB) having a polymerizable double bond-containing group represented by the general formula (I) described above bonded to only one terminal of the main chain thereof, the content of the component containing the acidic group bonded to the terminal of the polymer main chain being from 1 to 20% by weight based on the weight of resin (A).

REFERENCES:
patent: 5021311 (1991-06-01), Kato et al.
patent: 5030534 (1991-07-01), Kato et al.

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