Single polymer film structures for use in stand-up-pouches
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United States of America Patent
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Jun 13, 2017
Grant Date -
Nov 17, 2016
app pub date -
Jul 29, 2016
filing date -
Jun 28, 2010
priority date (Note) -
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Abstract
The present invention relates to film structure suitable for use in stand up pouches comprising all polyethylene material. The film structure can be a monolayer film or a multilayer film structure having specific requirements for each layer. The combination results in a film structure having adequate stiffness to function as a stand-up pouch while also providing acceptable water vapor transmission rates and good tear resistance. Such films have improved sustainability characteristics as they should permit down-gauging of the films and, can more easily be recycled, at least for the preferred embodiment comprising only polyethylene resins.
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