Dampening fluid for digital lithographic printing
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United States of America Patent
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Mar 14, 2017
Grant Date -
May 2, 2013
app pub date -
Oct 28, 2011
filing date -
Apr 27, 2011
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Abstract
Different solvents for a dampening fluid are disclosed. The solvent is a volatile hydrofluoroether liquid or a volatile silicone liquid. Such liquids have a lower heat of vaporization, a lower surface tension, and better kinematic viscosity compared to water, which is the conventional solvent used in dampening fluids. The dampening fluids, which are relatively nonpolar, can be used in a combination with polar inks to form a new type of digital lithographic printing system.
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