Polymerization of ethylene

Details Polymerization of ethylene Polymerization of ethylene

1974-08-20

1976-07-13

Smith, Edward J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

252429A, 526352, C08F 466, C08F 1002

Patent

active

039693325

ABSTRACT:
A method for the polymerization or copolymerization of ethylene comprising polymerizing the ethylene at a pressure greater than 500 bars, at a temperature in the range 160.degree. to 280.degree.C and under conditions in which polymerization takes place in a single liquid phase, in the presence of a catalyst system comprising
A. an alkylsiloxalane derivative of the formula, ##EQU1## and B. a halogenated titanium compound of the titanium trichloride type, the Al/Ti ratio between the constituents being between 1 and 10.

REFERENCES:
patent: 3642748 (1972-02-01), Iwasaki et al.
patent: 3723403 (1973-03-01), Greaves et al.
patent: 3755274 (1973-08-01), Piekarski et al.

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