Process for producing polyolefin

Details Process for producing polyolefin Process for producing polyolefin

C - Chemistry, Metallurgy

08

F

C08F 10/02 (2006.01) C08F 4/622 (2006.01) C08F 4/642 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01) C08F 4/639 (2006.01) C08F 4/6392 (2006.01)

Patent

CA 2122903

A process for producing polyolefins having a controllable broadened molecular weight distribution utilizing transition metal metallocene catalyst systems, wherein the metallocene has at least one cyclopentadienyl ring which is substituted by a substituent having a 2° or 3° carbon atom through which it is covalently bonded to the cyclopentadienyl ring.

Procédé de production de polyoléfines présentant une distribution des poids moléculaires élargie et contrôlable. Selon ledit procédé, on utilise des systèmes catalyseurs à base d'un alliage organo-métallique contenant un métal de transition, ledit alliage organo-métallique possédant au moins un composé cyclique cyclopentadiènyle qui est substitué par un substituant possédant un deuxième ou un troisième atome de carbone par l'intermédiaire duquel il est lié par covalence audit composé cyclique cyclopentadiènyle.

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