Transparent biaxially oriented polyolefin film having an improved oxygen barrier
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United States of America Patent
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Issued Date -
Jun 15, 2006
app pub date -
Nov 20, 2003
filing date -
Nov 23, 2002
priority date (Note) -
Abandoned
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Abstract
The invention relates to a coated, coextruded, biaxially stretched polyolefin film, which contains at least one base layer B made of polyolefins and a top layer Z made of polyolefins modified using maleic acid anhydride, characterized in that a coating made of a primer, which forms the primer layer P, is applied to the surface of the top layer Z, and an inorganic coating made of lithium-potassium polysilicates, which forms a polysilicate layer, is applied to the surface of the primer layer P.
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