Patent ID: 8173747
Filing Date: 2012-05-08
Classification: C08J,C08L

Abstract:
1. Cast film comprising a heterophasic polypropylene composition comprising a matrix resin which comprises (A) 10-85 wt % of a propylene homopolymer with an MFR (B) 10-85 wt % of a propylene-ethylene random copolymer with an MFR wherein the ethylene content of the matrix resin is 0.5-3.0 wt % based on the entire matrix without any additives; and a dispersed phase which comprises (C) 5-30 wt % of an ethylene-propylene rubber, wherein the xylene soluble content of the heterophasic polypropylene composition has an intrinsic viscosity of 1-2 dl/g and a content of propylene of more than 50 wt %, wherein an impact strength of the cast film is at least 13 J/mm according to ISO 7765-2.