Strong steam-sterilizable multible-layer film, and packages...

Details Strong steam-sterilizable multible-layer film, and packages... Strong steam-sterilizable multible-layer film, and packages...

B - Operations, Transporting

32

B

154/140

B32B 27/08 (2006.01) A61J 1/00 (2006.01) B65D 65/40 (2006.01) B65D 85/50 (2006.01)

Patent

CA 1259899

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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