Supported high efficiency polyolefin catalyst component and meth

Details Supported high efficiency polyolefin catalyst component and meth Supported high efficiency polyolefin catalyst component and meth

1985-07-12

1986-10-21

Garvin, Patrick P.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526125, 5263486, 526352, 526351, C08F 462, C08F 464, C08F 468

Patent

active

046186611

ABSTRACT:
A supported high efficiency catalyst component for polyolefin production and methods of making and using the same are disclosed. A catalyst support made from a solid, particulate support material, a second solid material preferably substantially isostructural therewith and an organic electron donor compound is combined with a polymerization-active transition metal compound and optionally a second organic electron donor compound to form the catalyst component. Additionally, a dehydrating agent may be reacted with water in the solid, particulate support material in the production of the catalyst support. The methods of producing such a catalyst support and catalyst component are preferably performed by severe milling in the absence of any solvent. Such a catalyst produces polymer of such high quality and quantity that polymer extraction and polymer deashing are not necessary.

REFERENCES:
patent: 4076924 (1978-02-01), Toyota et al.
patent: 4253984 (1981-03-01), Imai et al.
patent: 4265785 (1981-05-01), Giannini et al.
patent: 4282114 (1981-08-01), Ito et al.
patent: 4356295 (1982-10-01), Fujii et al.

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