申请人:Okada Takashi
公开号:US20070048637A1
公开(公告)日:2007-03-01
An arylamine polymer containing a repeating unit represented by the following chemical structure (I):
In the chemical structure, Ar
1
, Ar
3
, and Ar
4
independently represent a substituted or non-substituted divalent aromatic hydrocarbon group, Ar
2
represents a substituted or non-substituted univalent aromatic hydrocarbon group, R
1
and R
2
independently represent a hydrogen atom, a substituted or non-substituted alkyl group, a substituted or non-substituted alkoxy group or a substituted or non-substituted alkylthio group, x and y independently represent an integer of from 0 to 2, and n represents 0 or 1.