Polymerization catalyst

Details Polymerization catalyst Polymerization catalyst

1975-01-20

1976-11-09

Poer, J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 3102

Patent

active

039909948

ABSTRACT:
A polymerization catalyst comprises a solid transition metal compound which has been ground with a Lewis Base, an organo-metallic compound of a non-transition metal and a cyclic polyene, preferably with a further quantity of the same, or a different, Lewis Base. The catalyst can be used to polymerize propylene to give a high yield of a polymer having a flexural modulus in excess of 1.00 GN/m.sup.2.

REFERENCES:
patent: 2969345 (1961-01-01), Coover et al.
patent: 3032510 (1962-05-01), Tornqvist et al.
patent: 3186977 (1965-06-01), Coover et al.
patent: 3580899 (1971-05-01), Massoubre

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