Method for hydrogenating benzene polycarboxylic acids or...

C - Chemistry – Metallurgy – 07 – C

Patent

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C07C 69/75 (2006.01) C07C 51/36 (2006.01) C07C 61/09 (2006.01) C07C 67/303 (2006.01) C08K 5/12 (2006.01)

Patent

CA 2315223

The invention relates to a method for hydrogenating a benzene polycarboxylic acid or a derivative thereof or of a mixture comprised of two or more thereof with a gas containing hydrogen in the presence of a catalyst. Said catalyst comprises ruthenium as an active metal which is deposited alone or together with at least one metal of subgroups I, VII, or VIII of the periodic table on a support, whereby the support contains macropores. The invention also relates to novel hydrogenated products obtained by hydrogenating benzene polycarboxylic acid (derivatives) and to the use thereof as plasticizers in plastics.

L'invention concerne un procédé permettant d'hydrogéner un acide polycarboxylique de benzène ou un de ses dérivés ou un mélange d'au moins deux de ses dérivés avec un gaz contenant de l'hydrogène, en présence d'un catalyseur qui comprend comme métal actif du ruthénium seul ou conjointement avec au moins un métal du Ier, du VIIème ou du VIIIème groupe secondaire de la classification périodique des éléments, appliqué sur un support présentant des macropores. L'invention concerne en outre de nouveaux produits d'hydrogénation obtenus par hydrogénation de (dérivés) d'acide polycarboxylique de benzène, ainsi que leur utilisation comme plastifiants dans des matières plastiques.

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