Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1997-06-05
1999-04-20
Bell, Mark L.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502117, 502132, 502152, 502154, 556181, 556182, 526170, 526943, B01J 3100, B01J 3700, C08F 402, C08F 460
Patent
active
058957715
ABSTRACT:
Catalyst compositions for the polymerization of an olefin are disclosed which comprise a neutral metallocene and, as the ionizing agent an anionic aluminum-containing complex which is a fluorinated alkoxy and/or aryloxy aluminate. The fluorinated alkoxy aluminate can be of the formula A.sup.+ (Al(OR).sub.4).sup.-, where A.sup.+ is a cation capable of reacting with the neutral metallocene to produce a cationic metallocene and a non-reacting neutral species and R is a fluorinated alkyl and/or aryl group, with a representative group for A.sup.+ being (C.sub.6 H.sub.5).sub.3 C.sup.+ and with the representative fluorinated alkoxy
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T.J. Barbarich et al., Organometallics, vol. 15, pp. 3776-3778, Sep. 1996.
Barbarich Thomas J.
Epstein Ronald A.
Akzo Nobel nv
Bell Mark L.
Fennelly Richard P.
Pasterozyk J.
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