Patent ID: 8741512

Claim:
An additive for an electrophotographic photoreceptor which is represented by Formula (I): wherein in Formula (I), A represents an m-valent organic group derived from arylamine represented by Formula (II) or Formula (III); T represents a divalent hydrocarbon group having from 1 to 10 carbon atoms; Rf represents a branched hydrocarbon group having from 3 to 10 carbon atoms in which at least one hydrogen atom is substituted with a fluorine atom; l represents 0 or 1; and m represents an integer of 1 to 4: wherein in Formula (II), Ar 1 , Ar 2 , and Ar 3 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; in Formula (III), Ar 4 , Ar 5 , Ar 6 , and Ar 7 each independently represent a substituted or unsubstituted aryl group having from 6 to 20 carbon atoms; and X represents a divalent organic group represented by Formula (IV), Formula (V), or Formula (VI):