Hoechst Aktiengesellschaft

Jurgen Hartlapp

Joachim Berthold

Wolfgang Strobel

Rainer Franke

Bernd Diedrich

Werner Schafer

Polyolefins having a broad molecular weight distribution are obtained in a very high yield even using a catalyst based on a reaction product of a magnesium alcoholate with titanium tetrachloride, if the hydrocarbon-insoluble product of the reaction of the magnesium alcoholate with titanium tetrachloride is heated to a fairly high temperature with a chloroalkoxytitanate, in order to split off alkyl chlorides.

Process for the preparation of a polyolefin, and a catalyst for this

Polyolefins having a broad molecular weight distribution are obtained in a very high yield even using, as the catalyst, a product from the reaction of a magnesium alcoholate with titanium tetrachloride, if the reaction between the magnesium alcoholate and the titanium tetrachloride is carried out at a relatively low temperature and the reaction mixture is then heated to a fairly high temperature in order to split off alkyl chlorides.

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Hattersheim am Main, Germany

Jurgen Hartlapp