Catalysts and processes for the polymerization of olefins

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...

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502152, 502155, 502111, 526127, 526160, 526943, C08F 464

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058496530

ABSTRACT:
Catalysts for the polymerization of olefins are disclosed, which comprise the reaction product of:

REFERENCES:
Von Karl Ziegler et al. "Aluminiumtrialkyle und Dialkyl-Aluminiumhrdirde aus Aluminiumisobutyl-Verbindungen", Lieifs Ann. Chem., vol. 629, pp. 14-19, May 1959.
Ronald L. Halterman, "Synthesis and Applications of Chiral Cyclopentadienylmetal Complexes", Chem. Rev. 1992, 92, pp. 965-994.
Patent Abstracts of Japan, unexamined applications, C Field, vol. 9, No. 287, p. 28C 314, Nov. 14, 1985.
Patent Abstracts of Japan, unexamined applications, C Field, vol. 10, No. 136, p. 90 C 347, May 20, 1986.
L. Resconi et al. "Olefin Polymerization at Bis(pentamethylcyclopentadienyl)zirconiumand -hafnium Centers: Chain-Transfer Mechanisms", J. Am. Chem. Soc. 1992, 114, pp. 1025-1032.
Von Karl Ziegler et al. "Aluminiumtrialkyle und Dialkyl-Aluminiumhydride aus Aluminiumisobutyl-Verbindungen", Liebigs Ann. Chem., vol. 629, pp. 14-19.

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