Innerliner with nylon skin layer
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United States of America Patent
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-
Feb 4, 2014
Grant Date -
Jun 17, 2010
app pub date -
Dec 12, 2008
filing date -
May 28, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multilayer film is provided that comprises a nylon skin layer, a buried high density polyethylene layer, and a sealant layer, for use, for example, to form a package for dry food products. The multilayer film has a thickness of less than about 2.0 mils, such as between 0.8-1.7 mils, a moisture vapor transmission rate of less than about 0.30 g/100 in2/day, and a tear strength in the machine direction of greater than 40 grams, for instance at least about 120 grams. The multilayer film may further include a buried nylon layer and exhibit a tear strength in the machine direction of greater 190 grams.
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