Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1990-03-20
1992-10-06
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502103, 502118, 502129, 502132, 526132, C08F 4655
Patent
active
051531577
ABSTRACT:
This invention relates to catalyst systems, and a method for using such system, for the enhanced production of homo and copolymer products of olefin, diolefin and/or acetylenically unsaturated monomers. This invention catalyst system comprises a Group III-A element compound for improving the productivity of an olefin polymerization catalyst which is the reaction product of a metallocene of a Group IV-B transition metal and an ionic activator compound comprising a cation capable of donating a proton or which will irreversibly react with at least one ligand contained in the Group IV-B metal compound and an anion which is bulky, labile and noncoordinateable with the Group IV transition metal cation produced upon reaction of the metallocene and activator compound to form the catalyst component of the catalyst system.
REFERENCES:
Jordan et al., J. Am. Chem. Soc. 1986, 108, pp. 7410-11.
Jordan et al., J. Am. Chem. Soc. 1986, 108, pp. 1718-19.
Hlatky Gregory G.
Turner Howard W.
Cadenhead B. C.
Exxon Chemical Patents Inc.
Garvin Patrick P.
Kurtzman M. B.
Spiering M. S.
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