C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/643 (2006.01) C07F 5/02 (2006.01) C07F 7/08 (2006.01) C07F 17/00 (2006.01) C08F 10/00 (2006.01) C25B 3/02 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01)
Patent
CA 2197567
Catalyst systems useful in addition polymerisation reactions comprising a Group 4 metal complex and a silylium salt activating cocatalyst are prepared by contacting the metal complex with a silylium salt of a compatible, non- coordinating anion, optionally the silylium salt is prepared by electrochemical oxidation and splitting of the corresponding disilane compound.
Systèmes catalyseurs utiles dans des réactions de polymérisation par addition, qui comprennent un complexe métallique du groupe 4 et un cocatalyseur d'activation sous forme de sel de silylium. Lesdits systèmes sont préparés par mise en contact du complexe métallique avec un sel de silylium d'un anion compatible, non coordinatif. Eventuellement, le sel de silylium est préparé par oxydation électrochimique et clivage du composé disilane correspondant.
Devore David D.
Lapointe Robert E.
Mussell Robert D.
Neithamer David R.
Dow Global Technologies Inc.
Smart & Biggar
The Dow Chemical Company
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