Polymerization catalysts

Details Polymerization catalysts Polymerization catalysts

1983-11-23

1985-09-17

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

502104, 502105, 502134, 526352, 526906, 526908, 526909, C08F 402, C08F 1002

Patent

active

045421986

ABSTRACT:
Highly active catalysts for the polymerization of olefins are disclosed. The catalysts are prepared by mixing a hydride or organometallic compound of a metal belonging to Groups I, II or III of the Mendelyeev Periodic Table with the product obtained by contacting an oxygenated Ti compound in which one or more Ti atoms are bound through oxygen atoms to organic radicals with an activated anhydrous Mg dihalide. The polymerization of ethylene by means of said catalysts is also disclosed.

REFERENCES:
patent: 2981725 (1961-04-01), Luft et al.
patent: 3008943 (1961-11-01), Guyer
patent: 3168484 (1965-02-01), Engel et al.
patent: 3205216 (1965-09-01), McManimie et al.
patent: 3238146 (1966-03-01), Hewett et al.
patent: 3400110 (1968-09-01), Dassesse et al.
patent: 3574138 (1971-04-01), Ziegler et al.
patent: 3642746 (1972-02-01), Kashiwa et al.
patent: 4298718 (1981-11-01), Mayr et al.

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