Polyarylate resin and electrophotographic photosensitive member

The present invention provides a polyarylate resin and an electrophotographic photosensitive member. The polyarylate resin is represented by the following formula (1). In the formula (1), R1 and R2 each independently represent a hydrogen atom or a methyl group. r and s represent an integer of 0 or m...

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Bibliographische Detailangaben
Hauptverfasser:	Shimizu, Tomofumi, Azuma, Jun, Kitaguchi, Kenji, Okawa, Kensuke, Hasunuma, Seiki
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CINEMATOGRAPHY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS MAGNETOGRAPHY METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PHOTOGRAPHY PHYSICS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	The present invention provides a polyarylate resin and an electrophotographic photosensitive member. The polyarylate resin is represented by the following formula (1). In the formula (1), R1 and R2 each independently represent a hydrogen atom or a methyl group. r and s represent an integer of 0 or more and 49 or less. t and u represent an integer of 1 or more and 50 or less. r+s+t+u=100. r+t=s+u.X and Y are each independently and represent a divalent group represented by a chemical formula (1-1), a chemical formula (1-2), a chemical formula (1-3), or a chemical formula (1-4). X and Y are different from each other.