Process for producing phenyl-alkanes using olefin...

C - Chemistry – Metallurgy – 07 – C

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C07C 2/66 (2006.01) C07C 15/107 (2006.01) C07C 309/31 (2006.01)

Patent

CA 2550631

A process for producing phenyl-alkanes by paraffin dehydrogenation followed by olefin isomerization and then by alkylation of a phenyl compound by a lightly branched olefin is disclosed. An effluent of the alkylation section comprises paraffins that are recycled to the dehydrogenation step. A process that sulfonates phenyl-alkanes having lightly branched aliphatic alkyl groups to produce modified alkylbenzene sulfonates is also disclosed. In addition, the compositions produced by these processes, which can comprise detergents, lubricants, and lubricant additives, are disclosed.

L'invention concerne un procédé pour produire des phénylalcanes par déshydrogénation de paraffine suivie d'une isomérisation d'oléfine, puis de l'alkylation d'un composé phényle au moyen d'une oléfine légèrement ramifiée. Un effluent de l'opération d'alkylation contient des paraffines remises en circulation lors de la déshydrogénation. La présente invention porte également sur un procédé pour transformer en sulfonates des phénylalcanes dotés de groupes alkyle aliphatique légèrement ramifiés, afin de produire des sulfonates d'alkylbenzène modifié. L'invention concerne en outre les compositions obtenues par ces procédés et comprenant des détergents, des lubrifiants et des additifs pour lubrifiants.

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