ENERGY CURABLE INKS WITH IMPROVED ADHESION AND A METHOD FOR FORMULATING
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United States of America Patent
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Dec 19, 2014
filing date -
Jan 8, 2014
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Abstract
Provided are energy curable inks and coatings, comprising acrylated silicone and monomers/oligomers containing acrylate functional groups, that have improved adhesion on flexible substrates, such as non-chemical coated flexible films at fast speed. The energy curable inks and coatings have a robust slide angle upon surface abrasion, resulting in a reduction of the slippage of printed substrates, such as bags, when piled on top of each other. Also provided are raw material screening methods for quantifying acrylate group concentration, which is used to adjust the ink or coating formula to improve the cure at the surface and bottom and to improve tape adhesion and MEK resistance of energy cured inks and coatings.
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