Method for increasing diene conversion in epdm type...

Details Method for increasing diene conversion in epdm type... Method for increasing diene conversion in epdm type...

C - Chemistry, Metallurgy

08

F

C08F 210/18 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01) C08F 297/08 (2006.01) C08L 23/16 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 210/06 (2006.01)

Patent

CA 2319794

This invention relates to a method of making polymer compositions, e.g. EPDM compositions, in a multistage reactor with monomers chosen from ethylene, C3- C8 alpha olefins, and a non-conjugated diene. In particular, the invention relates to a process for improving diene conversion during the manufacture of the aforementioned polymer compositions by use of a multistage reactor and a metallocene catalyst system.

L'invention concerne un procédé de fabrication de compositions polymères, notamment de compositions EPDM, dans un réacteur à plusieurs étages avec des monomères choisis parmi l'éthylène, des oléphines alpha C¿3?-C¿8?, et un diène non conjugué. En particulier, l'invention concerne un procédé permettant d'accroître la transformation diénique lors de la fabrication des compositions polymères susmentionnées grâce à l'utilisation d'un réacteur à plusieurs étages et à un système catalyseur métallocène.

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