| abstract |
Polypropylene composition having- a melting temperature Tm of 135 °C to 140°C (DSC according to ISO 11357 / part 3),- an MFR<sub>2</sub>of 0.05 to 0.50 g/10min (2.16kg, 230°C, IS01133),- a XS according to ISO16152 of 0.2 to 2.5 wt.-%, and- a molecular weight distribution Mw/Mn of at least 2.8 and less than 6.0, wherein Mn is the number average molecular weight and Mw is the weight average molecular weight both being determined by Gel Permeation Chromatography (GPC) according to ISO 16014-4:2003, and ASTM D 6474-99,whereby the polypropylene composition comprises units derived from 1-hexene in an amount of 1.80 wt.-% to 5.0 wt.-%. |