发明申请
US20120018683A1 CHARGE DIRECTOR FOR LIQUID TONER 有权
液化石油公司负责人

CHARGE DIRECTOR FOR LIQUID TONER
摘要:
A charge director material for charging a liquid toner, the charge director material comprising (a) nanoparticles of a simple salt and (b) a sulfosuccinate salt of the general formula MAn, wherein M is a metal, n is the valence of M, and A is an ion of the general formula (I) [R1—O—C(O)CH2CH(SO3−)C(O)—O—R2],  (I) wherein each of R1 and R2 is an alkyl group; said charge director material being substantially free of acids of the general formula (I), wherein one or both of R1 and R2 is hydrogen, and if only one of them is hydrogen, the other is an alkyl group,
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