| 摘要 |
The present invention relates to a heterophasic polyolefin composition having improved flowability and impact strength but also an excellent impact/stiffness balance and a low amount of a hexane extractable fraction, to a process for its preparation, articles made therefrom and uses thereof. The heterophasic polyolefin composition comprises a matrix comprising a propylene homo- and/or copolymer, and an elastomeric ethylene/alpha-olefin phase dispersed in the matrix, the heterophasic polyolefin composition comprising monomer units derived from an oligomeric diene compound, and having a hexane extractable fraction in an amount of not more than 10 %, measured from compression moulded sheets at 50 °C and 30 min. and an MFR (2.16 kg, 230 °C, ISO 1133) of 8 to 80g/10min. The heterophasic polyolefin composition may be used for extrusion, injection moulding, blow moulding, injection stretch blow moulding, cast film extrusion or thermoforming. |
