Salt-based ink compositions

Details Salt-based ink compositions Salt-based ink compositions

1997-06-11

1999-07-20

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3159, 106 3175, 106 3189, C09D 1102

Patent

active

059251760

ABSTRACT:
Ink compositions are described comprising a combination of an ammonium carboxylate salt or salts and one or more surfactants, preferably non-ionic ethoxylated surfactants, hydroxylated or alkoxylated acetylenic polyethylene oxide surfactants, or anionic phosphate esters. The ink compositions substantially prevent thermally-induced phase separation up to about 60.degree. C. and, more preferably, up to about 70.degree. C. The ink compositions also are relatively non-toxic, resist the tendency to decel at high frequency print rates, and furthermore provide superior light fastness, edge acuity, and water fastness when printed on conventional or special media. The described ink compositions are particularly suitable for color ink-jet printing over a wide range of print media.

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patent: 5534051 (1996-07-01), Lauw et al.
patent: 5536306 (1996-07-01), Johnson et al.
patent: 5626655 (1997-05-01), Pawlowski et al.
patent: 5693129 (1997-12-01), Lin
patent: 5730789 (1998-03-01), Botros
patent: 5730790 (1998-03-01), Rehman
XP002086906, Jul. 1984, Derwent (abstract).

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