Ink-jet inks for improved image quality

Details Ink-jet inks for improved image quality Ink-jet inks for improved image quality

1997-03-03

1998-08-04

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3157, C09D 1102

Patent

active

057887543

ABSTRACT:
Thermal ink-jet inks are provided containing a colorant and a vehicle, the vehicle comprising from about 8 to about 20 wt % of a 1,2-diol, from about 0.1 to about 5 wt % of at least one non-ionic surfactant, and optionally 0 to about 5 wt. % of a aliphatic alcohol; 0 to about 1.5 wt % of at least one component independently selected from the group consisting of buffers, biocides, and metal chelators; and the balance water. The inks formulated according to the present invention provide the desired dot gain and dot symmetry on the print medium, in particular, gelatin coated media, while providing excellent color-to-color bleed alleviation. The images generated with the inks of the present invention exhibit excellent, near photographic image quality.

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patent: 5536306 (1996-07-01), Johnson et al.
patent: 5540765 (1996-07-01), Gundlach et al.

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