POLYPROPYLENE FILM WITH INCREASED HYDROPHOBICITY

POLYPROPYLENE FILM WITH INCREASED HYDROPHOBICITY

The present invention relates to a multi-layer polypropylene film comprising: A base layer of polypropylene (2); Optionally, a tie layer (3) comprising a blend of polypropylene and an sacrificial engineering thermoplastic; A top layer (1) comprising film having a structured surface with water contac...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: LIU, Xiqiang, WETERING, VAN DE, Karin, Irene
Format: Patent
Sprache:eng ; fre ; ger
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
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:The present invention relates to a multi-layer polypropylene film comprising: A base layer of polypropylene (2); Optionally, a tie layer (3) comprising a blend of polypropylene and an sacrificial engineering thermoplastic; A top layer (1) comprising film having a structured surface with water contact angles (WCA) superior to 104.5°, preferentially superior to 110°, more preferentially uperior to 120°, more preferentially superior to 130°; Wherein the top layer comprises a blend 20 to 40 wt % of polypropylene and 60 to 80 wt % of said engineering thermoplastic and in which the engineering thermoplastic has been selectively etched in order to create the said structured surface.