Low pressure polymerization of olefins

Details Low pressure polymerization of olefins Low pressure polymerization of olefins

1977-11-14

1981-01-13

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429B, 252429C, 526116, 526124, 526352, C08F 402, C08F 1000

Patent

active

042450713

ABSTRACT:
This invention relates to an improved process for the polymerization and copolymerization of olefins, to the novel catalytic component and catalytic system used for such polymerization and to a process for preparing such catalytic system, in which the polymerization of the olefins is carried out in the presence of a catalytic system comprising an organometallic compound of a metal of Group I, II, or III or the Periodic Table and a solid catalytic component obtained by reacting together metallic magnesium, a hydroxylated organic compound, an organic oxygenated compound of a metal of Group IVb, Vb, or VIb of the Periodic Table, an aluminum halide, and a halogen-containing compound of a metal of Group IVb, Vb or VIb of the Periodic Table.

REFERENCES:
patent: 3644318 (1972-02-01), Diedrich et al.
patent: 3678025 (1972-07-01), Birrell
patent: 3745154 (1973-07-01), Kashiwa et al.
patent: 3901863 (1975-08-01), Berger et al.
Encyclopedia of Chemical Technology, 2nd Ed., vol. 1, p. 832 and vol. 18, p. 189.
Zeiss, Organometallic Chemistry, Reinhold Publ. Corp. N.Y. (1960) p. 203.

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