Microwave dryable thermal ink jet inks

Details Microwave dryable thermal ink jet inks Microwave dryable thermal ink jet inks

1997-01-24

1998-09-29

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3149, 106 3157, 106 3158, 106 3175, 106 3178, 106 3186, 106 3187, C09D 1102

Patent

active

058141383

ABSTRACT:
A microwave dryable thermal ink jet ink including an aqueous liquid vehicle, a co-solvent of formylethanolamine, acetylethanolamine, triethanolamine, trimethylolpropane, thiodiethanol, sulfolane and 1,3-dimethylimidazolidinone, a colorant, and ammonium bromide is described. Ammonium chloride may also be included in the microwave dryable ink so long as the ink also contains ethylene glycol as a second co-solvent. A method of forming an image on an image receiving substrate with a microwave dryable thermal ink jet ink of applying in imagewise fashion to the image receiving substrate by thermal ink jetting a microwave dryable thermal ink jet ink comprising formylethanolamine, acetylethanolamine, triethanolamine, trimethylolpropane, thiodiethanol and 1,3-dimethylimidazolidinone, a colorant, and ammonium bromide, and thereafter exposing the image receiving substrate to microwave radiation to dry the image on the substrate is also described. The inks of the invention exhibit good latency and cause no paper curl following microwave drying.

REFERENCES:
patent: 4585484 (1986-04-01), Haruta et al.
patent: 4627875 (1986-12-01), Kobayashi et al.
patent: 4713113 (1987-12-01), Shimada et al.
patent: 5220346 (1993-06-01), Carreira et al.
patent: 5371531 (1994-12-01), Rezanka et al.
patent: 5563644 (1996-10-01), Isganitis et al.
patent: 5709737 (1998-01-01), Malhotra et al.

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