Catalyst supports

Details Catalyst supports Catalyst supports

1991-07-12

1992-04-07

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526129, 526351, C08F 444

Patent

active

051029642

ABSTRACT:
Silica supports for use in the production of catalysts for olefin polymerization, in particular where the surface is substantially free from reactive hydroxyl groups, comprise (RCOO).sub.2 Mg deposited on the surface of the silica and/or groups of the general formula R(CO.sub.2 MgO).sub.n linked to surface silicon atoms, where R is a hydrocarbon radical and n=1 to to 6. Such supports are suitable for the production of stereospecific catalysts of high activity in the polymerization of olefins especially propylene.

REFERENCES:
patent: 4829038 (1989-05-01), Hoppin et al.

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