Aqueous ink jet ink compositions and uses
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United States of America Patent
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Nov 10, 2015
Grant Date -
Aug 6, 2015
app pub date -
Feb 3, 2014
filing date -
Feb 3, 2014
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Abstract
Aqueous ink jet ink compositions are used for ink jet printing colorless, colored or invisible images on receiver elements. These compositions contain a dispersion of an unsaturated natural oil and a water compatible polyurethane. The unsaturated oil dispersion is prepared from conventional surfactants or a polyurethane dispersing agent. The polyurethane is prepared from unsaturated polyol segments prepared from the unsaturated natural oils. The ink preparations are printed on media treated with agents such as metal ions known to catalyze crosslinking reactions in unsaturated oils. Such compositions are useful in various ink jet printing systems including drop on demand and continuous ink jet printing systems.
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