초록 ▼

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 unde

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.

대표청구항 ▼

A strong and steam-sterilizable multiple-layer plastic film for packaging physiologic solutions comprising an outer layer formed from a material selected from the group consisting of polyester, polyester copolymer, polyolefin, and polyamide, and an inner layer formed from a mixture of polypropylene

A strong and steam-sterilizable multiple-layer plastic film for packaging physiologic solutions comprising an outer layer formed from a material selected from the group consisting of polyester, polyester copolymer, polyolefin, and polyamide, and an inner layer formed from a mixture of polypropylene and ethylene-vinyl acetate elastomer wherein said multiple-layer plastic film is capable of being steam-sterilized at a temperature of at least 120°C. and maintains its mechanical properties after steam-sterilization.