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 MA<SUB>n</SUB>, wherein M is a metal, n is the valence of M, and A is an ion of the general formula (I) (I) [R<SUB>1</SUB>-O-C(O)CH<SUB>2</SUB>CH(SO<SUB>3</SUB>)C(O)-O-R<SUB>2</SUB>], wherein each Of R<SUB>1</SUB> and R<SUB>2</SUB> 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, |
申请人 |
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.;ALMOG, YAACOV;KOLLER, AVI;SILCOFF, ELLIAD;TEISHEV, ALBERT;ISRAELI, YAFFA;LARSON, GARY;LIN, LUFEI |
发明人 |
ALMOG, YAACOV;KOLLER, AVI;SILCOFF, ELLIAD;TEISHEV, ALBERT;ISRAELI, YAFFA;LARSON, GARY;LIN, LUFEI |