Coextruded film of polypropylene, polypropylene blend, and nylon

Details Coextruded film of polypropylene, polypropylene blend, and nylon Coextruded film of polypropylene, polypropylene blend, and nylon

1984-07-30

1986-10-14

Buffalow, Edith

Stock material or miscellaneous articles

Composite

Of polyamide

4284758, 428516, B32B 2734

Patent

active

046172408

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.

REFERENCES:
patent: 4087587 (1978-05-01), Shida et al.
patent: 4190477 (1980-02-01), Ossian et al.
patent: 4233367 (1980-11-01), Ticknor et al.
patent: 4361628 (1982-11-01), Krueger et al.

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