Activators for Ziegler type polymerization catalysts using bis(t

Details Activators for Ziegler type polymerization catalysts using bis(t Activators for Ziegler type polymerization catalysts using bis(t

1982-11-10

1984-05-29

Smith, Edward J.

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

Catalyst or precursor therefor

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

526140, C08F 468

Patent

active

044515758

ABSTRACT:
A catalyst composition is provided with an activator in combination with a primary catalyst system. The primary catalyst system is a vanadium compound and an organometallic compound of the formula RMgX, LiAlr.sub.4, or R.sub.A Al.sub.2 X.sub.B, wherein R is a hydrocarbon radical having 1 to 12 carbon atoms, X is a halogen atom; A is a number from 2 to 6, and B is a number from 0 to 4, with the proviso that the sum of A and B is 6 and that at least one of the groups attached either to the vanadium compound or to the organometallic compound is a halogen atom. The activator is bis(trichloromethyl) sulfone.

REFERENCES:
patent: 3026311 (1962-03-01), Coover et al.
patent: 3203940 (1965-08-01), Long
patent: 3303175 (1967-02-01), Achon
patent: 3723348 (1973-03-01), Apotheker et al.
patent: 4228262 (1980-10-01), Caunt et al.

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