Silylated perfluorinated ion-exchange microcomposite catalysts

Details Silylated perfluorinated ion-exchange microcomposite catalysts Silylated perfluorinated ion-exchange microcomposite catalysts

B - Operations, Transporting

01

J

252/121, 403/4,

B01J 31/10 (2006.01) B01J 31/02 (2006.01) C07C 67/08 (2006.01)

Patent

CA 2280517

This invention concerns a silylated porous microcomposite comprising a perfluorinated ion-exchange polymer entrapped within and highly dispersed throughout a network of inorganic oxide wherein the network and optionally the polymer have been modified with a silylating agent. These silylated microcomposites can be used in heterogeneous catalyst compositions for various chemical processes, such as in esterifications and acylations.

L'invention concerne un microcomposite poreux silylé qui comprend un polymère perfluoré échangeur d'ions, piégé à l'intérieur d'un réseau d'oxyde non organique et fortement dispersé à l'intérieur de celui-ci, ledit réseau et, éventuellement, le polymère modifié(s) par un agent de silylation. Les microcomposites silylés de l'invention conviennent à des compositions de catalyse hétérogènes destinées à divers processus chimiques tels que l'estérification et l'acylation.

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