Electrophotographic light-sensitive material

Details Electrophotographic light-sensitive material Electrophotographic light-sensitive material

1994-12-15

1996-12-03

Rodee, Christopher D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

G03G 505

Patent

active

055806902

ABSTRACT:
An electrophotographic light-sensitive material which has improved electrostatic characteristics and image forming performance and is excellent particularly in reproducibility of highly accurate image using a liquid developer and image forming performance upon a scanning exposure system using a laser beam of a low power.
The electrophotographic light-sensitive material contains, as a binder resin, at least one resin selected from a low molecular weight resin (A.sub.1) formed from a macromonomer containing a polymer component of formula (I) and a monomer of the formula (I) and having a polar group bonded at one terminal of the main chain thereof, a low molecular weight resin (A.sub.2) formed from a macromonomer containing at random polar groups and a low molecular weight resin (A.sub.3) formed from a macromonomer containing polar groups as a block, and a resin (B) which is a medium to high molecular weight starlike polymer comprising an organic molecule having bonded thereto at least three polymer chains each containing a polymer component containing a specified polar group and a polymer component of formula (I). ##STR1## wherein a.sup.1 and a.sup.2 : hydrogen, halogen, a cyano group, a hydrocarbon group, --COOR.sup.4 or --COOR.sup.4 bonded via a hydrocarbon group (R.sup.4 : hydrocarbon group), and R.sup.3 : a hydrocarbon group.

REFERENCES:
patent: 5021311 (1991-06-01), Kato et al.
patent: 5089368 (1992-02-01), Kato et al.

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