Manufacture of stereoregular polymers

Details Manufacture of stereoregular polymers Manufacture of stereoregular polymers

C - Chemistry, Metallurgy

08

F

C08F 2/34 (2006.01) B01J 8/00 (2006.01) B01J 8/24 (2006.01) B01J 19/26 (2006.01) C08F 4/52 (2006.01) C08F 4/602 (2006.01) C08F 10/00 (2006.01) C08F 10/02 (2006.01) C08F 10/06 (2006.01) C08F 4/659 (2006.01) C08F 4/6592 (2006.01) C08F 210/16 (2006.01)

Patent

CA 2257226

The present invention teaches the use of particular soluble metallocene catalysts to produce stereoregular polymers in gas phase polymerizations wherein the catalysts are fed into a particle lean zone in the reactor. The metallocenes catalysts are bridged bis-(substituted indenyl) compounds.

Utilisation de catalyseurs à base de métallocène solubles particuliers pour produire des polymères stéréoréguliers par polymérisation en phase gazeuse, au cours de laquelle les catalyseurs sont introduits dans une zone pauvre en particules dans le réacteur. Les catalyseurs à base de métallocène sont des composés de bis-(indényle substitué) pontés.

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