FILM COMPRISING POLYAMIDE POLYURETHANE LAYER

FILM COMPRISING POLYAMIDE POLYURETHANE LAYER

A multilayer film is described comprising a first film layer comprising an organic polymeric material, wherein the first film layer has an elongation of at least 250%; and a second film layer comprising a crosslinked polyurethane wherein the polyurethane comprises polymerized units of a polyamide. I...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Lu, Yongshang, Ho, Charlie C
Format: Patent
Sprache:eng
Schlagworte:
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
TRANSPORTING
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Beschreibung
Zusammenfassung:A multilayer film is described comprising a first film layer comprising an organic polymeric material, wherein the first film layer has an elongation of at least 250%; and a second film layer comprising a crosslinked polyurethane wherein the polyurethane comprises polymerized units of a polyamide. In some embodiments, the organic polymeric material of the first film layer comprises polyurethane. Also described is a method of protecting a surface of a motor vehicle and a method of making a multilayer protective film.