Patent ID: 7662481
Filing Date: 2010-02-16
Classification: G03G,Y10T

Abstract:
1. An endless belt for transferring a toner image to be used in an electrophotographic apparatus, the belt being circumferentially driven in a state that a surface of the belt is in contact with or is adjacent to a photoreceptor of the electrophotographic apparatus, wherein a base layer of the belt comprises a modified polyamide imide resin formed by copolymerizing: (A) an aromatic isocyanate compound; (B) an aromatic polycarboxylic acid anhydride; and (C) a polymer having carboxylic acids at both terminals thereof, wherein a content of a structural unit induced from the polymer having carboxylic acids at both terminals thereof (component (C)) is within a range from 5 to 30% by weight based on a total amount of the modified polyamide imide resin.