Electrophotographic photosensitive member and apparatus using sa

Details Electrophotographic photosensitive member and apparatus using sa Electrophotographic photosensitive member and apparatus using sa

1991-12-09

1993-09-21

Martin, Roland

Radiation imagery chemistry: process, composition, or product th

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

Radiation-sensitive composition or product

430 60, 430 64, 355211, 358302, G03G 514, G03G 1522, H04N 121

Patent

active

052468062

ABSTRACT:
An electrophotographic photosensitive member is constituted by an electroconductive support, and an intermediate layer and a photosensitive layer disposed in this order on the support. The intermediate layer comprises a reaction product of a mixture including a polyol compound [A] and a polyisocyanate compound[B] satisfying at least one of the following conditions (i) and (ii): (i) the polyol compound [A] is a high-molecular weight polyol compound, and (ii) the polyisocyanate compound is a polyoxyalkylene segmentcontaining polyisocyanate compound. The photosensitive member shows stable electrophotographic performances over wide environmental conditions from low temperature - low humidity to high temperature - high humidity due to the intermediate layer.

REFERENCES:
patent: 3891435 (1975-06-01), Lee
patent: 4025407 (1977-05-01), Chang et al.
patent: 4446217 (1984-05-01), Takasu et al.
patent: 4946766 (1990-08-01), Fukagai
patent: 5079117 (1992-01-01), Koyama et al.
patent: 5089364 (1992-02-01), Lee et al.
Patent Abstracts of Japan, vol. 12, No. 147 (p. 698), May 7, 1988, for JPA 62-2666553.
"Flexible Insulating Layer in Hybrid Photoconductor", Crooks et al., IBM Tech. Discl. Bull., vol. 17, No. 3, Aug. 1974 p. 905.

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