The present invention provides a safe charge control agent which exhibits an excellent negative chargeability and excellent dispersibility in and compatibility with binder resins, and is even applicable for col or toners. Specifically, the charge control agent consists of a naphthol derivative of formula [I]:
and a salt thereof, and an electrophotographic toner comprising the agent are provided.
本发明提供了一种安全的电荷控制剂,其具有优异的负电荷性能,在与粘合
树脂的分散性和相容性方面表现出色,并且甚至适用于彩色或黑白色调色剂。具体而言,该电荷控制剂由式[I]的
萘酚衍
生物及其盐组成,并提供了一种含有该剂的静电复印色调剂。