Copolymerization of ethylene and an alpha-olefin having 6 carbon

Details Copolymerization of ethylene and an alpha-olefin having 6 carbon Copolymerization of ethylene and an alpha-olefin having 6 carbon

1985-01-03

1987-02-10

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 88, C08F 410

Patent

active

046423281

ABSTRACT:
Process for the preparation of copolymers of ethylene and an alpha-olefin having 6 carbon atoms with a density comprised between 0.910 and 0.940, involving a copolymerization of ethylene and an alpha-olefin having 6 carbon atoms in the gas phase by means of a fluidized bed, in the presence of a catalyst system comprising on the one hand a co-catalyst consisting of at least one organo-metallic compound of a metal of Groups II and III of the Periodic Table of Elements and on the other hand a supported catalyst comprising a special support based essentially on magnesium chloride and optionally aluminium chloride, on which support there has been precipitated a derivative of a transition metal of Groups IV, V and VI of the Periodic Table of elements.

REFERENCES:
patent: 3953414 (1976-04-01), Galli
patent: 4111835 (1978-09-01), Foschini
patent: 4302565 (1981-11-01), Goeke
patent: 4396748 (1983-08-01), Shipley

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