Method for producing highly reactive polyisobutenes

Details Method for producing highly reactive polyisobutenes Method for producing highly reactive polyisobutenes

C - Chemistry, Metallurgy

08

F

C08F 2/22 (2006.01) C08F 4/14 (2006.01) C08F 10/10 (2006.01) C08F 110/10 (2006.01)

Patent

CA 2432430

The invention relates to a method for producing highly reactive polyisobutenes consisting of a polymer isobutene in the presence of a complex boron trifluoride and at least one cocatalyst at a reaction temperature of 60 to -4 ~C in a liquid organic phase which is mixed with water in two steps for deactivating and extracting the catalyst in the organic phase.

Procédé de production de polyisobutènes fortement réactifs, qui consiste à polymériser de l'isobutène en présence d'un complexe de trifluorure de bore et d'au moins un cocatalyseur en phase organique liquide à une température de réaction de -60 à -4 ·C et à mélanger la phase organique avec de l'eau en deux étapes pour désactiver et extraire le catalyseur.

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