Binuclear metathesis polymerization catalyst system

Details Binuclear metathesis polymerization catalyst system Binuclear metathesis polymerization catalyst system

1988-09-21

1990-04-17

Schofer, Joseph L.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Plural component system comprising a - group i to iv metal...

502111, 526114, 526116, 526141, 526142, 526143, 526283, C08F 452, C08F 466

Patent

active

049180398

ABSTRACT:
A metathesis polymerization catalyst composition comprising a binuclear catalyst, wherein said binuclear catalyst is a mixture of at least two transition metal components, wherein a first transition metal component is a halide complex of tungsten, an oxyhalide complex of tungsten or a mixture thereof and a second transition metal component is a halide complex of a transition metal selected from the group consisting of high valent transition metals belonging to Groups IV or V of the Periodic Table, from about 1 to about 3 moles of phenolic compound per mole of tungsten component, activated by a metathesis catalyst activator and containing a rate moderator.

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patent: 4507453 (1985-03-01), Tom
Makvomol. Chem. 177, 2637 (1976).
Tetrahedron Letters, vol. 21, p. 2955.
Angew. Chem. 85, 148 (1973).
Angew. Chem. 27, 275 (1988).

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