Blends of polyvinyl alcohol and ethylene-vinyl alcohol copolymer as grease resistant melt extrudable films
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United States of America Patent
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Aug 7, 1984
Grant Date -
N/A
app pub date -
May 2, 1983
filing date -
May 2, 1983
priority date (Note) -
Expired
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Abstract
Blends of polyvinyl alcohol, and ethylene-vinyl alcohol copolymer containing a processing aid such as polyamide, polyurethane or polyoxazoline are melt extrudable into paper-like films having excellent oxygen barrier and grease resistance properties.
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