Electrophotographic element with blocked isocyanate binder

Details Electrophotographic element with blocked isocyanate binder Electrophotographic element with blocked isocyanate binder

1991-11-20

1993-04-20

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

540122, G03G 506

Patent

active

052042030

ABSTRACT:
A photosensitive material for electrophotography, comprises a support and, provided thereon, an organic photoconductive layer of single-layer structure comprising a mixture of a metal-free phthalocyanine and a binder organic compound; said binder organic compound being comprised of an isocyanate in which the isocyanate terminal has been blocked with a blocking agent.
The present photosensitive material can achieve good sensitivity and charge characteristics and is suited for the positive charge system.

REFERENCES:
patent: 3357989 (1967-12-01), Byrne et al.
patent: 5017965 (1991-05-01), Hashimoto et al.
patent: 5079117 (1992-01-01), Koyama et al.
World Patents Index Latest Week 8221, Derwent Publications Ltd., London, GB; AN 82-42754E and JP-A-57 064 243 (Canon K.K.) Apr. 19, 1982.

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