Multilayer sheet material, process for its manufacture and its u

Details Multilayer sheet material, process for its manufacture and its u Multilayer sheet material, process for its manufacture and its u

1989-07-26

1990-04-17

McCamish, Marion C.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

4284763, 4284769, 428516, 15624413, B32B 2308, B32B 2708, B32B 2734

Patent

active

049179250

ABSTRACT:
A multilayer sheet material comprising an 11-aminoundecanoic acid polyamide film (1) bonded by at least one of its faces to a polypropylene film (2) is obtained by coextrusion of the corresponding polyamide and polypropylene. It can be used for the manufacture of impermeable flexible bags for sterile solutions.

REFERENCES:
patent: 3686069 (1972-08-01), Winkler
patent: 4233367 (1980-11-01), Ticknor et al.
patent: 4322480 (1982-03-01), Tuller et al.

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