| http://www.w3.org/ns/prov#value | - In each of these cases, the neutral metallocene structure may be reacted with a triphenylcarbenium aluminum ionizing agent as indicated below to produce a cationic metallocene catalyst depicted by the formula: (Cp')(Cp)MQL !+ AlR'4 !- Here, Cp', Cp, M and Q are as described previously, L is 1 or 2, and R is an aklyl, a hydride, a halogen, an alkoxy, aryloxy, an aryl group or substituted aryl g
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