Process for the preparation of (co)polymers of .alpha.-olefins

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526161, 526169, 526172, 526352, 502155, C08F 464

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056293925

ABSTRACT:
Process for the preparation of (co) polymers of .alpha.-olefins which comprises polymerizing at least one .alpha.-olefin in the presence of a catalytic system consisting essentially of:

REFERENCES:
patent: 5039766 (1991-08-01), Sasaki et al.
patent: 5258476 (1993-11-01), Sasaki et al.
Calderazzo et al., "Synthesis of N,N-dialkylarbamato Complexes of Group 4 Metals by the Metal Chloride-NHR2-CO2 system:Crystal and Molecular Structure of [Hf(O2CNPr2)4]", J. Chem. Soc. Dalton Trans., pp. 693-398.

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