| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electrophotographic photoreceptor excellent in sensitivity characteristics, and a hole transporting agent yielding a positively charging single layer type electrophotographic photoreceptor which suppresses occurrence of transcription memory in an image forming apparatus including a contact charge mode charging section. <P>SOLUTION: A triarylamine derivative represented by general formula (1) is used [in formula (1), Ar<SP POS="POST">1</SP>is an aryl group, or a heterocyclic group with a conjugated double bond, Ar<SP POS="POST">2</SP>is an aryl group, and each of Ar<SP POS="POST">1</SP>and Ar<SP POS="POST">2</SP>optionally is substituted by one or more groups selected from a group of a 1C-6C alkyl group, a 1C-6C alkoxy group, and a phenoxy group]. <P>COPYRIGHT: (C)2013,JPO&INPIT |
