| 摘要 |
The present invention relates to halogenated, low-gel, high molecular weig ht isoolefin multiolefin copolymers, in particular to halogenated, low-gel, hig h molecular weight butyl rubbers, and halogenated, low-gel, high molecular weight isoolefin multiolefin copolymers synthesized from isobutene, isoprene and optionally further monomers, with a multiolefin content of greater than 2.5 mol%, a molecular weight M W of greater than 240 kg/mol and a gel content of less than 1.2 wt. % and a process for their preparation.
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