Process for producing coextruded film of polypropylene, polypropylene blend, and nylon
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United States of America Patent
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Nov 12, 1985
Issued Date -
N/A
app pub date -
Sep 13, 1982
filing date -
Feb 20, 1981
priority date (Note) -
Expired
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Abstract
A novel coextruded plastic film has as an adhesive layer between polypropylene and nylon layers, a blend of polypropylene and a graft copolymer of maleic anhydride onto a polypropylene backbone, the graft copolymer having been produced in a reaction carried out at a temperature of from about 80.degree. C. up to about 10.degree. C. below the melting point of the polypropylene.
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