Weather resistant exterior film composite
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United States of America Patent
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Apr 7, 2015
Grant Date -
Nov 1, 2012
app pub date -
Mar 29, 2012
filing date -
Apr 27, 2011
priority date (Note) -
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Abstract
This invention relates to film composites with a single coating of hard coat material which have a significant improved adhesion together with improved weather resistance while also increasing resistance to abrasion and cracking. In one embodiment, this film composite is comprised of a transparent base sheet having on one side thereof a weather resistant hard coat comprised of: at least one multifunctional acrylate monomer or oligomer; a dual-curable resin comprising an aliphatic urethane acrylate resin having isocyanate functional groups and an aliphatic urethane acrylate having hydroxyl functional groups; an ultraviolet (UV) stabilizer; and a photoinitiator.
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