Controlled addition of alkali or alkaline earth salts to a chrom

Details Controlled addition of alkali or alkaline earth salts to a chrom Controlled addition of alkali or alkaline earth salts to a chrom

1993-12-06

1995-08-22

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526123, G08F 424

Patent

active

054441323

ABSTRACT:
An improved supported chromium oxide catalyst, a process for preparing the catalyst and a process for polymerizing olefin monomers utilizing the catalyst are provided. In accordance with the preparation process, chromium oxide and a support containing one or more of silica, titania, thoria, alumina, zirconia or aluminophosphates are combined, impregnated with a metal salt and activated. The metal salt is selected from the group consisting of alkali metal salts, alkaline earth metal salts and mixtures thereof.

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