ELECTROPHOTOGRAPHIC SENSITIVE BODY, ELECTROPHOTOGRAPHIC DEVICE HAVING THIS ELECTROPHOTOGRAPHIC SENSITIVE BODY AND FACSIMILE

• Main Author: KANAMARU TETSUO
• Format: Patent
• Language: English
• Published: 18.12.1992
• Subjects: ADHESIVES; CHEMISTRY; CINEMATOGRAPHY; DYES; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; HOLOGRAPHY; LAKES; MAGNETOGRAPHY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION; POLISHES

PURPOSE:To provide an extremely high sensitivity characteristic and the stable potential stability at the time of repetitive use by incorporating a specific disazo pigment into a photosensitive layer. CONSTITUTION:The photosensitive layer contains the disazo pigment expressed by formula I. In the formula I, Z denotes an oxygen atom or sulfur atom; Ar1 and Ar2 may be the same or different and denote a bivalent carbon cyclic arom. group or heterocyclic arom. group which may have a substituent; n denotes 1 or 2; A1 denotes the residual coupler group expressed by formula II; A2 denotes the residual group selected from a group consisting of the residual coupler groups expressed by formulas III, etc. In the formulas II, III, X1 to X2 denote the residual group necessary for forming a polycyclic arom. ring or heterocycle by condensing with a benzene ring; Z1, Z2 denote an oxygen atom or sulfur atom; R1 to R4 denote a hydrogen atom, alkyl group, carbon cyclic arom. group, heterocyclic arom. group; m denotes 1, 2; p denotes 0, 1, 2.