C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/04 (2006.01) C08G 85/00 (2006.01)
Patent
CA 2327485
The invention relates to a method for hydrogenating polymers, optionally in the presence of catalysts, whereby branched hydrocarbons are used as solvents, possessing no more than one hydrogen atom at the branch point and having a boiling temperature above 45 ~C and an ignition temperature (DIN 51794) of above 280 ~C, or a mixture of such hydrocarbons with solvents that are suitable for hydrogenating reactions.
L'invention concerne un procédé d'hydrogénation de polymères aromatiques, éventuellement en présence de catalyseurs, les solvants utilisés étant des hydrocarbures ramifiés, qui possèdent au plus un atome d'hydrogène au point de ramification et présentent une température d'ébullition supérieure à 45 ·C et une température d'inflammation (DIN 51794) supérieure à 280 ·C, ou un mélange de ces hydrocarbures avec des solvants appropriés pour les réactions d'hydrogénation.
Rechner Johann
Wege Volker
Aktiengesellschaft Bayer
Fetherstonhaugh & Co.
Teijin Ltd.
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