Diesters of polymerized fatty acids useful in formulating hot-melt inks
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United States of America Patent
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Jul 8, 1997
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N/A
app pub date -
Feb 14, 1996
filing date -
Feb 14, 1996
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Abstract
Solid diesters for hot-melt inks are prepared by reaction of polymerized fatty acid with long chain primary monohydric alcohols, optionally in the presence of diamine. The long chain alcohols have at least about 20 carbon atoms, and preferably have 24 or more carbon atoms. The esterification of liquid polymerized fatty acid with monohydric alcohol provides a diester that is solid at room temperature and has a melting point of less than about 150.degree. C. The diester can be formulated with colorants and/or other image-producing materials to provide an ink for hot-melt printing, e.g., hot-melt ink jet, gravure or intaglio printing.
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