BARRIER LAMINATES

The present invention provides a barrier film comprising a first layer formed from thermoplastic polyurethane (TPU) and a second layer formed from a thermoplastic polymer-based coupling agent containing an ethylene-vinyl acetate (EVA) copolymer and a second polar co-monomer polymer, wherein the barr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SCHULTZE, Dirk, STEBBINS, Lionel, KOSTHORST, Helge, KLEINHEIDER, Andre
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BANDAGES, DRESSINGS OR ABSORBENT PADS DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF,TUBULAR STRUCTURES OF THE BODY, E.G. STENTS FILTERS IMPLANTABLE INTO BLOOD VESSELS FIRST-AID KITS FOMENTATION HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES PROSTHESES TREATMENT OR PROTECTION OF EYES OR EARS
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Beschreibung
Zusammenfassung:	The present invention provides a barrier film comprising a first layer formed from thermoplastic polyurethane (TPU) and a second layer formed from a thermoplastic polymer-based coupling agent containing an ethylene-vinyl acetate (EVA) copolymer and a second polar co-monomer polymer, wherein the barrier film has a total thickness of between 50 μm (2 mil) and 600 μm (24 mil), wherein the first layer has a thickness of between 20 μm (0.8 mil) and 400 μm (16 mil), and wherein the second layer has a thickness of between 20 μm (0.8 mil) and 200 μm (8 mil). The inventive barrier film may find use in colostomy, urostomy, and ileostomy pouches and in other medical applications.