Jet ink composition
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Aug 6, 1998
filing date -
Aug 6, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a jet ink composition and a method of jet printing onto non-porous substrates such as glass, metal, ceramics, and plastics images which have improved adhesion. The jet ink composition, which has short dry times, comprises an organic solvent, colorant, and a hydroxyaromatic resin with its hydroxyaromatic units being linked by a linkage other than alkylene ether linkage. The hydroxyaromatic units of the hydroxyaromatic resin are linked by, for example, an alkylene linkage. An example of a suitable hydroxyaromatic unit is a phenol. An example of the organic solvent is ethanol. The jet ink composition provides short dry times on non-porous substrates. In some embodiments of the ink composition, the image adhesion can be further improved by the use of an adhesion promoter such as a silane, a dendrimer, or a combination thereof.
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