Polymerizing and copolymerizing diolefines, and means therefor

Details Polymerizing and copolymerizing diolefines, and means therefor Polymerizing and copolymerizing diolefines, and means therefor

1981-07-15

1984-01-31

Smith, Edward J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526114, 526122, 526133, 526157, 526161, 526164, 526337, 5263402, 5263404, 502152, C08F 472, C08F 3604

Patent

active

044290896

ABSTRACT:
A novel catalytic system is disclosed which is especially adapted for the polymerization and the copolymerization of aliphatic conjugated diolefines, the system comprising an organic compound of aluminum, a Lewis acid containing at least one halogen, and an organic compound of a lanthanide metal. The catalyst system has outstanding and hitherto unparalleled activity. The method of preparation of the catalytic system is also described in detail.

REFERENCES:
patent: 3297667 (1967-01-01), Von Dohlen et al.
patent: 3394156 (1968-07-01), Kornicker et al.
patent: 3657205 (1972-04-01), Throckmorton
patent: 3676411 (1972-07-01), Throckmorton et al.
patent: 3773734 (1973-11-01), Cucinella et al.
patent: 3935175 (1976-01-01), Lugli et al.

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