| 摘要 |
Propylene polymer compositions comprising: A) from 70 wt% to 95 wt%, of a random copolymer of propylene with ethylene, containing from 3.5 wt% to 8.5 wt%, of ethylene derived units, having a content of fraction soluble in xylene at 25°C comprised between 7.1 wt% and 15.2 wt% and having a melting point higher than 142.0°C; B) from 5 wt% to 35 wt%, of a copolymer of propylene with ethylene, containing from 8.5 wt% to 17.0 wt % of ethylene derived units; the sum A+B being 100; wherein the melt flow rate, MFR (ISO 1133 (230°C, 2.16 kg).) from 0.6g/10 min to 20.2 g/10 min. |
