Heat sealable, high moisture barrier film and method of making s

Details Heat sealable, high moisture barrier film and method of making s Heat sealable, high moisture barrier film and method of making s

1994-06-23

1996-09-24

Buffalow, Edith

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428214, 428349, 428515, 428516, 428518, 428520, B32D 702

Patent

active

055589308

ABSTRACT:
The present invention provides a multi-layer heat sealable film which is produced by coextrusion and compression rolled orientation. The film comprises at least one barrier layer of a moisture and/or gas resistant thermoplastic material and at least one sealant layer of a heat sealable thermoplastic material.

REFERENCES:
patent: 4228215 (1980-10-01), Hein III et al.
patent: 4247584 (1981-01-01), Widiger et al.
patent: 5241030 (1993-08-01), Barry et al.

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