Heatsealable polypropylene film laminate

Details Heatsealable polypropylene film laminate Heatsealable polypropylene film laminate

1977-06-22

1979-04-10

Ives, P. C.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428516, 428910, 264171, B32B 2708

Patent

active

041489721

ABSTRACT:
A polypropylene film laminate is made by laminating at least one side of a polypropylene layer comprising 1 -8 wt. % ionomer with an ionomer layer.
This film is produced by coextruding polymers from a die, and is useful for automatic packaging applications at high speed.

REFERENCES:
patent: 3355319 (1967-11-01), Rees
patent: 3496061 (1970-02-01), Freshour et al.
patent: 3671383 (1972-06-01), Sakata et al.
patent: 3882259 (1975-05-01), Nohara et al.

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