FLEXIBLE HARDCOAT DISPOSED BETWEEN ORGANIC BASE MEMBER AND SILICEOUS LAYER AND CLEANABLE ARTICLES
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United States of America Patent
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May 20, 2021
app pub date -
Aug 14, 2019
filing date -
Aug 14, 2018
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Abstract
Articles and intermediates are described comprising an organic polymeric base member and a hardcoat layer disposed on the organic polymeric base member, wherein the hardcoat layer can be stretched 25-75% without cracking. A siliceous layer is disposed on the hardcoat layer. The siliceous layer has a porosity of no greater than 10% and a thickness no greater than 1 micron. In some embodiments, the article further comprises a surface layer comprising a zwitterionic compound bonded to the siliceous layer.
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