Film structure with high oxygen barrier properties and method for manufacturing such a film structure
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United States of America Patent
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Dec 11, 2012
Grant Date -
Aug 20, 2009
app pub date -
Jun 28, 2007
filing date -
Jul 3, 2006
priority date (Note) -
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Abstract
Film structure characterized in that it includes at least five layers, two outer layers (2) made of a polyolefin on which is each time provided, on the opposite sides, a layer (4) forming a gas barrier and whereby, between both above-mentioned gas barriers (4), is provided a layer (3) made of a foamed synthetic material, whereby the outer layers (2) consist of a mixture of a polyolefin and a binder, which makes it possible to bond this polyolefin with the layer (4) forming the gas barrier.
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