Strong steam-sterilizable multiple-layer film, and packages for physiologic solutions, made therefrom
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United States of America Patent
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Sep 20, 1988
Grant Date -
N/A
app pub date -
Sep 25, 1986
filing date -
Sep 25, 1985
priority date (Note) -
Expired
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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.
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