Living carbocationic polymerization process

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 4/76 (2006.01) C08F 10/00 (2006.01) C08F 297/00 (2006.01)

Patent

CA 2113456

An olefin polymerization process is provided wherein an olefin chargestock is contacted with an organic compound polymerization initiator, a Lewis acid coinitiator and a pyridine compound such as 2,6-di- tert-butylpyridine to produce homopolymers, copolymers or block copolymers having a narrow molecular weight distribution.

L'invention concerne un procédé de polymérisation d'oléfines dans lequel on met en contact une charge d'oléfines avec un initiateur de polymérisation d'un composé organique, un co-initiateur d'acide de Lewis et un composé pyridine tel que 2,6-di-tert-butylpyridine afin de produire des homopolymères, des copolymères ou des copolymères bloc présentant une répartition de masse moléculaire étroite.

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