Composite marking based on chiral liquid crystal precursors and modifying resins
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United States of America Patent
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Jun 4, 2019
Grant Date -
Sep 22, 2016
app pub date -
Nov 6, 2014
filing date -
Nov 8, 2013
priority date (Note) -
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Abstract
Disclosed is a substrate which has thereon a marking or layer comprising a cured chiral liquid crystal precursor composition which does not contain any salt that would change the position of a selective reflection band exhibited by the cured composition. A modifying resin made from one or more polymerizable monomers comprising an average of at least one ether functionali typer polymerizable group is disposed between the substrate and the marking or layer and in contact with the marking or layer in one or more areas thereof. The modifying resin changes the position of a selective reflection band exhibited by the cured chiral liquid crystal precursor composition on the substrate in the one or more areas.
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