| abstract |
(57) [Summary] [PROBLEMS] To satisfy both charge transport properties and mechanical properties, A novel charge transporting copolymer which is excellent in imparting new functions and highly applicable to organic electronic devices such as electrophotographic photoreceptors is provided. SOLUTION: A charge transporting block having a repeating unit having a specific structure containing a triarylamine structure in the repeating unit, and an insulating block having a repeating unit having a specific structure, wherein each block is block-shaped or grafted It is preferable that the weight average molecular weight of each block is 2,000 to 5,000,000. |