Film for heat sealing and process of heat sealing

Details Film for heat sealing and process of heat sealing Film for heat sealing and process of heat sealing

1981-07-31

1982-07-06

Michl, Paul R.

Stock material or miscellaneous articles

Composite

Of metal

B32B 1508

Patent

active

043383785

ABSTRACT:
A film and a laminate using the film as a substrate which both are suitable for heat sealing and a process for heat sealing the film and the laminate are disclosed. The film comprises a blend of (I) at least one member selected from the group consisting of (A) elastomeric block copolymers of vinyl-aromatic compounds with conjugated diene compounds, (B) resinous block copolymers of vinyl-aromatic compounds with conjugated diene compounds and (C) vinyl-aromatic resins and/or modified vinyl-aromatic resins, and (II) an olefinic polymer.

REFERENCES:
patent: 3562356 (1971-02-01), Nyberg
patent: 3678134 (1972-07-01), Middlebrook
patent: 4091134 (1978-05-01), Uemura

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