Phase change ink formulation using a urethane and urethane/urea isocyanate-derived resins
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United States of America Patent
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Nov 3, 1998
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N/A
app pub date -
Jun 28, 1996
filing date -
Jun 28, 1996
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Abstract
Resins and waxes made by reacting selected nucleophiles, including alcohols and/or amines, with an isocyanate are disclosed. The order of addition of the isocyanate and the different nucleophiles can tailor the distribution of diurethane, mixed urethane/urea, and/or di-urea molecules in the final resin product. The isocyanate-derived resin and wax materials are useful as ingredients as phase change ink carrier compositions used to make phase change ink jet inks.
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