Multilayer film for functional medical solution container and a container comprising the same
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United States of America Patent
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Jul 23, 2013
Grant Date -
Nov 4, 2010
app pub date -
Dec 19, 2008
filing date -
Dec 24, 2007
priority date (Note) -
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Abstract
The present invention relates to a multilayer film for medical solution container and a container comprising the same, more particularly, to the multilayer film for medical solution comprising an outer layer comprising polypropylene, polypropylene copolymer or a mixture thereof; an intermediate layer comprising a mixture of 30˜70% by weight of propylene-based polymer including polypropylene, polypropylene copolymer or a mixture thereof, and 30˜70% by weight of a thermoplastic elastomer; and an inner layer comprising a mixture of 50˜70% by weight of propylene-based polymer including polypropylene, polypropylene copolymer or a mixture thereof, 5˜20% by weight of polyethylene, and 10˜45% by weight of a thermoplastic elastomer. The multilayer film has such improved flexibility, transparency, heat resistance, sealing property and durability, as well as easy peelability and peel strength with non-temperature sensitive that can be applied to a pouch type container for packaging and administering of medical solutions or blood.
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