Ink compositions for thermal ink jet printing

Details Ink compositions for thermal ink jet printing Ink compositions for thermal ink jet printing

1997-10-30

1998-06-16

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3147, 106 3158, 106 3175, 106 3177, 106 3186, C07D 1102

Patent

active

057663254

ABSTRACT:
Disclosed is an ink composition which comprises (1) water, (2) a colorant, wherein X is a cation and n is an integer of from about 3 to about 20, (4) a polymer selected from the group consisting of (a) tetrafunctional block copolymers derived from the addition of propylene oxide and ethylene oxide to ethylenediamine; (b) polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymers; (c) polypropylene oxide-polyethylene oxide-polypropylene oxide triblock copolymers; (d) ethoxylated 2-naphthol polymers; and (e) mixtures thereof; and (5) an additive selected from the group consisting of (i) diethylene glycol; (ii) glycerol; (iii) trimethylol propane; (iv) urea; (v) n-methyl pyrrolidone; (vi) sulfolane; (vii) 1,4 diazabicyclo(2.2.2)octane; (viii) cyclohexylpyrrolidone; and (ix) mixtures thereof. Also disclosed are ink jet printing processes employing the aforementioned ink.

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patent: 5560770 (1996-10-01), Yatake
patent: 5690722 (1997-11-01), Pawlowski

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