Additives to litho inks to eliminate ink feedback
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United States of America Patent
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Dec 29, 2020
Grant Date -
Aug 7, 2014
app pub date -
Sep 20, 2012
filing date -
Sep 23, 2011
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Abstract
Provided are web-offset lithographic ink compositions that contain an alkyl thioether surfactant, an alkoxylated modified rosin, or a combination thereof. The ink compositions can be oil-based inks or water-based inks that can be radiation-curable. The resulting ink compositions can be used in web-offset lithographic printing to substantially reduce or eliminate the ink feedback and ink build-up that occurs during printing. Also provided are methods for reducing or eliminating ink feedback and build-up during lithographic printing processes.
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