| 摘要 |
The application provides propylene polymer including at least 80 mol % units derived from propylene and less than 0.5 mol % units derived from a tertiary diene wherein said tertiary diene is not a 1,4-diene, said polymer including 1-50 tertiary double bonds per 10,000 carbon atoms of the main chain of said polymer. The polymer may be obtained using a Ziegler Natta catalyst. The application further provides a long chain branched propylene polymer obtainable from the afore-mentioned propylene polymer including tertiary double bonds.
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