Incremental printing of symbolic information – Ink jet – Medium and processing means
Patent
1992-02-03
1996-10-08
Hartary, Joseph W.
Incremental printing of symbolic information
Ink jet
Medium and processing means
106 20D, 347100, B41J 205
Patent
active
055636446
ABSTRACT:
Disclosed is a printing process which comprises applying in imagewise fashion to a substrate an ink composition which comprises an aqueous liquid vehicle, a colorant, and a drying component selected from the group consisting of zwitterionic compounds, and subsequently exposing the substrate to microwave radiation, thereby drying the images on the substrate. In a preferred embodiment, the invention is directed to a thermal ink jet printing process which comprises (1) incorporating into a thermal ink jet printing apparatus an ink composition which comprises an aqueous liquid vehicle, a colorant, and a drying component selected from the group consisting of zwitterionic compounds; (2) heating the ink in an imagewise pattern to cause bubbles to form therein, thereby causing droplets of the ink to be ejected in an imagewise pattern onto a substrate, thereby generating images on the substrate; and (3) exposing the substrate to microwave radiation, thereby drying the images on the substrate.
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Johnston, D. R. Drying of Ink By Radiation World Surface Coatings Abstracts vol. 44, No. 350, Aug. 71.
Carreira Leonard M.
Gooray Arthur M.
Isganitis Louis V.
Radigan Edward J.
Schwarz William M.
Byorick Judith L.
Hartary Joseph W.
Xerox Corporation
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