C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 210/10 (2006.01) C08F 4/64 (2006.01) C08F 4/646 (2006.01) C08F 210/06 (2006.01) C08F 210/12 (2006.01)
Patent
CA 2399173
The present invention provides a novel process for the preparation of isoolefin copolymers in the presence of zirconium halides and/or hafnium halides and organic acid halides, in particular for the preparation of butyl rubbers, as well as isoolefin copolymers constructed of isobutene, isoprene and optionally further monomers.
Bohnenpoll Martin
Ismeier Jurgen
Krauss Hans Ludwig
Langstein Gerhard
Resendes Rui
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Lanxess Deutschland Gmbh
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