Phase change ink containing polyester for improved image robustness
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United States of America Patent
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Nov 24, 2015
Grant Date -
Dec 18, 2014
app pub date -
Jun 18, 2013
filing date -
Jun 18, 2013
priority date (Note) -
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Abstract
A phase change ink composition including an amorphous compound; a crystalline compound; a polyester polymer, wherein the polyester has a molecular weight of from about 500 to about 8,000 and a polydispersity index of from about 1.0 to about 8.0; an optional synergist; an optional dispersant; and a colorant. A process including (1) incorporating into an ink jet printing apparatus the phase change ink composition; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate. An ink jet printer stick or pellet including the phase change ink composition.
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