A process for hydrogenating aromatic polymers

Details A process for hydrogenating aromatic polymers A process for hydrogenating aromatic polymers

C - Chemistry, Metallurgy

08

F

C08F 8/04 (2006.01) B01J 21/08 (2006.01) B01J 35/10 (2006.01)

Patent

CA 2217207

The present invention is a process of hydrogenating high molecular weight aromatic polymers comprising hydrogenating the high molecular weight aromatic polymer in the presence of a silica supported metal hydrogenation catalyst, characterized in that the silica has a pore size distribution such that at least 98 percent of the pore volume is defined by pores having diameter of greater than 600 angstroms.

La présente invention est un procédé d'hydrogénation de polymères aromatiques de poids moléculaire élevé consistant à hydrogéner ledit polymère aromatique de poids moléculaire élevé en présence d'un catalyseur d'hydrogénation de métal à support en silice, caractérisé par le fait que le silice présente une distribution de la taille des pores telle qu'au moins 98 pour cent du volume de pores est défini par des pores ayant un diamètre supérieur à 600 angströms.

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