Stain repellent optical hard coating
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United States of America Patent
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Feb 6, 2007
Grant Date -
Nov 10, 2005
app pub date -
May 4, 2005
filing date -
May 7, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A hard coating composition for use as a stain repellent single layer on an optical display. The coating composition adds a monomer of a mono or multi(methyl)acrylate bearing at least one monovalent hexafluoropolypropylene oxide derivative and a free radically reactive compatibilizer consisting of either a fluoroalkyl-group containing acrylate compatibilizer or a fluoroalkylene-group containing acrylate compatibilizer to a conventional hydrocarbon-based hard coat formulation. The resultant coating is substantially smooth and forms a durable surface layer that has low surface energy that is stain and ink repellent.
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