Transition metal compositions

Details Transition metal compositions Transition metal compositions

1974-07-16

1977-04-19

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252431R, 526126, 526194, 526348, 526352, C08F 402, C08F 476, C08F 478

Patent

active

040187071

ABSTRACT:
Transition metal compositions which are the products of reacting a transition metal complex of the formula RmMXp with a substantially inert matrix material having a hydroxylic surface which is free from adsorbed water, wherein M is a transition metal of Groups IVA to VIA, R is a hydrocarbon group, X is a monovalent ligand and m and p are integers, m having a value from 2 to the highest valency of the metal M and p having a value of from 0 to 2 less than the valency of the metal M, except when M is a metal of Group VIA, when p is 0. When present, ligand X is preferably halogen. The compositions are useful as initiators, particularly for the polymerization of olefinically unsaturated monomers, for example ethylene and propylene.

REFERENCES:
patent: 3326877 (1967-06-01), Orzechowski et al.
patent: 3392160 (1968-07-01), Orzechowski
patent: 3424777 (1969-01-01), Wilke
patent: 3536740 (1970-10-01), Wilke
patent: 3738944 (1973-06-01), Candlin et al.
patent: 3932307 (1976-01-01), Setterquist

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