High barrier film
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United States of America Patent
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Jan 7, 1997
Issued Date -
N/A
app pub date -
Apr 28, 1995
filing date -
Dec 11, 1991
priority date (Note) -
Expired
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Abstract
An oriented film combination of (a) a base layer of polypropylene at least one surface of which comprises a maleic acid anhydride modified polypropylene; and (b) on at least one surface, a skin layer of an amorphous polyamide or a blend of an amorphous polyamide and a semicrystalline polyamide.
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