Strong steam-sterilizable multiple-layer film, and packages for

Details Strong steam-sterilizable multiple-layer film, and packages for Strong steam-sterilizable multiple-layer film, and packages for

1986-09-25

1988-09-20

Buffalow, Edith

Stock material or miscellaneous articles

Hollow or container type article

Cellular material derived from plant or animal source

4284763, 4284769, 428483, 428520, 428522, B65D 1100, B32B 2708

Patent

active

047724978

ABSTRACT:
The invention relates to a strong and steam-sterilizable multiple-layer plastic film for packaging physiologic solutions, and to a strong and sterilizable package, made of this film, for physiologic solutions. Since the conventional plastics used for packaging physiologic solutions turn brittle under steam-sterilization, a new type of multiple-layer film has been invented which has, especially after steam-sterilization, mechanical properties superior to those of a conventional plastic film. The film according to the invention is produced in such a way that at least one layer is a mixture of polyolefin, preferably polypropylene, and an elastomer. In this manner the resistance to flex crack formation can be improved about 10-fold.

REFERENCES:
patent: 4561110 (1985-12-01), Herbert
patent: 4654240 (1987-03-01), Johnston

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