Low viscosity UV curable ink formulations
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United States of America Patent
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Issued Date -
Feb 21, 2008
app pub date -
Jun 26, 2007
filing date -
Jun 27, 2006
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Abstract
The present invention relates to active energy beam curable low viscosity compositions and inks which exhibit a low initial viscosity and rapid cure. The compositions are free of epoxy monomer and include a vinyl ether component, a mono-acrylate component, or optionally a hybrid component containing both vinyl ether and acrylate functionality, a photocation polymerization initiator, and a free-radical photoinitiator. The radiation curable formulations are particularly suitable for inkjet ink for drop-on-demand printheads.
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