Perylene tetracarboxylic acid imide pigments in an electrophotog

Details Perylene tetracarboxylic acid imide pigments in an electrophotog Perylene tetracarboxylic acid imide pigments in an electrophotog

1986-07-23

1987-12-22

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 75, 430 76, G03G 506

Patent

active

047146664

ABSTRACT:
An electrophotographic recording material comprises an electrically conductive base material, an optional insulating intermediate layer and a photoconductive layer comprising at least one layer containing an asymmetrically substituted perylene-3,4,9,10-tetracarboxylic acid imide as charge carrier producing compound, a photoconductor as charge transport compound, binder and customary additives. The asymmetrically substituted perylene-3,4,9,10-tetracarboxylic acid imide can, for example, be represented by the formula ##STR1## where R denotes hydrogen, alkyl, hydroxyalky, alkoxyalkyl, aryl or aralkyl and A denotes phenylene, naphthylene or a more highly fused aromatic carbocylic or heterocyclic radical which can each be substituted by halogen, alkyl, cyano or nitro groups. This material is suitable in double-layer arrangement for highly light sensitive systems, and in a single layer for preparing printing forms or printed circuits.

REFERENCES:
patent: 3898084 (1975-08-01), Champ et al.
patent: 3904407 (1975-09-01), Regensburger et al.
patent: 4438187 (1984-03-01), Fushida et al.
patent: 4447514 (1984-05-01), Nakazawa et al.
patent: 4514482 (1985-04-01), Loutfy et al.
Nagao, Ishikawa, Tanabe, Misono, "Synthesis of Unsymmetrical Perylenebis (Dicarboximide) Derivatives", Chemistry Letters, No. 2 (Feb. 1979), at 151-154.

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