Photosensitive material for electrophotography contains halo-ben

Details Photosensitive material for electrophotography contains halo-ben Photosensitive material for electrophotography contains halo-ben

1983-08-02

1984-09-04

Welsh, John D.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 79, 430 83, 430900, G03G 506

Patent

active

044697694

ABSTRACT:
Disclosed is a photosensitive material for the electrophotography, which comprises a dispersion of a charge-generating pigment in a charge-transporting medium composed mainly of a polyvinyl carbazole resin, wherein a perylene pigment represented by the following general formula: ##STR1## wherein R.sub.1 and R.sub.2 stand for a hydrogen atom or a substituted or unsubstituted alkyl or aryl group, is dispersed and incorporated as the charge-generating pigment in an amount of 1 to 40 parts by weight per 100 parts by weight of the polyvinyl carbazole resin and a halogeno-p-benzoquinone is further incorporated in an amount of 1 to 60 parts by weight per 100 parts by weight of the polyvinyl carbazole resin.

REFERENCES:
patent: 3037861 (1962-06-01), Hoegl et al.
patent: 3901697 (1975-08-01), Krohn et al.
patent: 3904407 (1975-09-01), Regensburger et al.
patent: 4264695 (1981-04-01), Kozima et al.
patent: 4315980 (1982-02-01), Sadamatsu et al.

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