Wiederverwendbare Mehrschichtfolie mit einer Versiegelungsschicht aus einer Mischung von Polypropylenen

Details

Veröffentlichungs-Nr.

EP4523904

Aktenzeichen

EP23198084

Anmeldetag

18. September 2023

Veröffentlichung

19. März 2025

Rechtsraum

EP

IPC

B32B27/08B32B27/32

Abstract

A polypropylene-based multilayer film (F), comprising, in the given order, the following layers:(A) a skin layer;(B) a core layer; and(C) a sealing layer, comprising at least 90 wt.-% of a polypropylene composition (PC) comprising the following components:i) 20 to 70 wt.-% of a RAHECO having an MFR₂ of 0.1 to 10.0 g/10 min;ii) 10 to 50 wt.-% of a first propylene-ethylene random copolymer (R-PP1) having a Tc in the range from 110 to 125 °C; andiii) 10 to 50 wt.-% of a second propylene-ethylene random copolymer (R-PP2) having a Tc in the range from 85 to 109 °C,wherein the crystalline matrix of the RAHECO, R-PP1, and R-PP2 each have a content of 2,1-regiodefects, in the range from 0.00 to 0.20 mol-%.

Anmelder

Firmen

Borealis GmbH
Borealis AG

Land

🇦🇹 Österreich

Fachgebiete