Pigmented inks and N-(1,2-dicarboxyethyl)-N-disubstituted sulfos

Details Pigmented inks and N-(1,2-dicarboxyethyl)-N-disubstituted sulfos Pigmented inks and N-(1,2-dicarboxyethyl)-N-disubstituted sulfos

1998-02-17

1999-08-17

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3186, C09D 1102

Patent

active

059388307

ABSTRACT:
Pigmented inks are disclosed comprising an aqueous medium, a pigment, and a N-disubstituted sulfosuccinamate dispersant, preferably tetrasodium N-(1,2-dicarboxyethyl)-N-octadecyl sulfosuccinamate. Such dispersants reduce the agglomeration of pigment particles and reduce or eliminate the deposition of foreign substances on heater elements during the jetting process. A variety of pigments, dispersants, humectants, and aqueous media can be used. Such dispersants provide inks with good stability, few kogation problems, long decap times, and no color-to-color bleed, and relatively fast drying times.

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