Blended fluoropolymer compositions and coatings for flexible substrates
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United States of America Patent
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Mar 26, 2013
Grant Date -
Apr 1, 2010
app pub date -
Sep 25, 2009
filing date -
Sep 26, 2008
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Abstract
Blended fluoropolymer compositions that may be applied as a coating to a flexible substrate. The compositions include at least one high molecular weight polytetrafluoroethylene (HPTFE), at least one a low molecular weight polytetrafluoroethylene (LPTFE) and at least one melt processible fluoropolymer (MPF). After being applied to the flexible substrate, optionally over a primer or basecoat and/or midcoat and then cured, the compositions form coatings that demonstrate improvement in one or more of abrasion resistance, release characteristics, translucency/transparency, and impermeability.
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