Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
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.
Kano Yoshiaki
Kasai Toshikazu
Kondo Yozo
Smith Edward J.
Solvay & Cie.
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