Fluorine-modified perfluorinated ion-exchange microcomposite...

Details Fluorine-modified perfluorinated ion-exchange microcomposite... Fluorine-modified perfluorinated ion-exchange microcomposite...

B - Operations, Transporting

01

J

252/121, 260/685

B01J 31/10 (2006.01) B01J 31/26 (2006.01) B01J 37/26 (2006.01) C07C 2/66 (2006.01)

Patent

CA 2282448

This invention concerns fluorine-modified perfluorinated ion-exchange microcomposites, comprising a perfluorinated ion-exchange polymer containing pendant sulphonic acids groups and/or carboxylic acid groups, entrapped within and highly dispersed throughout a network of inorganic oxide, said network having a plurality of fluoride groups bonded thereto; processes for their propagation and their use as catalysts in chemical processes such as alkylation of aromatic compounds.

L'invention concerne des microcomposites d'échange d'ions perfluorés à fluor modifié renfermant un polymère d'échange d'ions perfluoré où des groupes acide sulfonique et/ou des groupes acide carboxylique pendants sont piégés dans un réseau d'oxyde inorganique et hautement dispersés dans celui-ci, ledit réseau possédant des liaisons avec une pluralité de groupes fluorure, ainsi que des procédés de préparation et d'utilisation desdits microcomposites en tant que catalyseurs dans des processus chimiques tels que l'alkylation de composés aromatiques.

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