发明公开
EP1373403A1 HETEROPHASIC PROPYLENE POLYMER 有权
异丙酚预聚物

HETEROPHASIC PROPYLENE POLYMER
摘要:
The invnetion provides a heterophasic propylene polymer composition comprising the following components: i) 60 to 90 % wt, relative to the total weight of components i), ii) and iii), of a propylene polymer matrix comprising a propylene homopolymer and, optionally a propylene copolymer, said propylene polymer matrix having an ethylene content of no more then 5 % wt; ii) 5 to 30 % wt, relative to the total weight of components i), ii) and iii), of an elastomer; and iii) 5 to 25 % wt, relative to the total weight of components i), ii) and iii), of an ethylene copolymer plastomer having a density of not more than 910 kg/m3 and a melt flow rate MFR¿2.16? (190 °C) of at least 0.5 g/10 minutes at 190 °C under a weight of 2.16 kg.
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