| 摘要 |
Production of an olefin polymer of a low polydispersity index having low catalyst residues and/or low chlorine content by the polymerisation of olefin(s) carried out in solution, in the presence of a cationic catalyst, in a reactor containing a liquid phase comprising a liquid boiling hydrocarbon polymerisation medium and having a vapour space above the liquid phase, comprises carrying out the polymerisation in the presence of a non-mechanical agent capable of suppressing foam formation during the polymerisation.
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