Fast drying, bleed-free ink-jet ink compositions

Details Fast drying, bleed-free ink-jet ink compositions Fast drying, bleed-free ink-jet ink compositions

1995-09-14

1996-10-15

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 22H, 106 20D, C09D 1102

Patent

active

055650228

ABSTRACT:
Ink-jet ink compositions are provided which exhibit fast dry times and bleed-free prints when printed onto a print medium so that the throughput of an ink-jet printer may be increased. The ink compositions of the invention comprise (a) at least one dye; (b) at least one high-boiling, water-insoluble organic compound; (c) at least one amphiphile; and (d) water. The dye may be either water-soluble or water-insoluble and the high boiling organic compound has a vapor pressure low enough such that only water evaporates from the ink during normal printing operations. The amphiphile is present in an amount sufficient to solubilize the water-insoluble organic compound in the water. Preferably, the amphiphile belongs to a class of compounds known as hydrotropes.

REFERENCES:
patent: 5106416 (1992-04-01), Moffat et al.
patent: 5116409 (1992-05-01), Moffatt
patent: 5133803 (1992-07-01), Moffatt
patent: 5226957 (1993-07-01), Wickramanayake et al.

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