Catalyst, method and polymerization processes

Details Catalyst, method and polymerization processes Catalyst, method and polymerization processes

1975-11-19

1977-08-09

Holler, Alan

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252430, 252469, 526106, 526352, C08F 424, C08F 1000

Patent

active

040412245

ABSTRACT:
A catalyst prepared by (1) forming a mixture of a finely divided support such as silica, alumina, zirconia or thoria and a chromium compound which may be either organic or inorganic followed by (2) adding a titanium compound, then (3) heat activating the reaction product of (2), and then (4) further heating in a gas that comprises oxygen. The disclosure also includes a method of polymerizing olefins with this catalyst and the process of preparing the catalyst.

REFERENCES:
patent: 2825721 (1958-03-01), Hogan et al.
patent: 3485771 (1969-12-01), Horvath
patent: 3622521 (1971-11-01), Hogan et al.
patent: 3625864 (1971-12-01), Horvath
patent: 3780011 (1973-12-01), Pullukat et al.
patent: 3798202 (1974-03-01), Nasser, Jr.
patent: 3879362 (1975-04-01), Chalfont et al.
patent: 3882096 (1975-05-01), Shida et al.
patent: 3970613 (1976-07-01), Goldie et al.
patent: 3976632 (1976-08-01), Delap

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