Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Radiation-sensitive composition or product
Patent
1991-12-09
1994-03-15
Goodrow, John
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Radiation-sensitive composition or product
430 60, 358302, G03G 514
Patent
active
052945081
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 [I], a polyol compound [II] having an OH equivalent different from that of the polyol compound [I] and a polyisocyanate compound. The polyol compound [I] is a polyether polyol compound having an OH equivalent of at least 500 and 2-60 OH groups per molecule; and the polyol compound [II] is a polyol compound having an OH equivalent of at most 300. 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: 4390609 (1983-06-01), Wiedemann
patent: 4946766 (1990-08-01), Fukagai
patent: 5079117 (1992-01-01), Koyama et al.
Patent Abstracts of Japan, vol. 12, No. 147 (P-698) May 7, 1988.
Patent Abstracts of Japan, vol. 14, No. 337 (P-1079) Jul. 20, 1990.
Fujimura Naoto
Hashimoto Yuichi
Koyama Takashi
Mori Shigeo
Shiraiwa Tetsuo
Canon Kabushiki Kaisha
Goodrow John
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