Olefin oligomers functional fluid using internal olefins

Details Olefin oligomers functional fluid using internal olefins Olefin oligomers functional fluid using internal olefins

C - Chemistry, Metallurgy

07

C

260/707.2, 260/7

C07C 2/22 (2006.01) C07C 5/13 (2006.01) C07C 9/22 (2006.01) C07C 11/02 (2006.01)

Patent

CA 2001802

Olefin oligomers having a lower pour point are obtained by forming a mixture of C8-18 olefins containing 50-90 weight percent .alpha.-olefins and 10-50 weight percent internal olefins and oligomerizing this mixture using a Friedel Crafts catalyst (e.g. BF3) and a promoter (e.g. n-butanol). The mixture of olefins can be formed from .alpha.-olefins (e.g. 1-decene) by subjecting the .alpha.-olefins to isomerization until 10-50 weight percent of the olefins are internal olefins.

Des oligomères oléfiniques possédant un point d'écoulement plus bas sont obtenus en formant un mélange d'oléfines C8-18, contenant 50-90 % en poids d'alpha-oléfines et 10-50 % en poids d'oléfines internes, et en oligomérisant ce mélange en présence d'un catalyseur Friedel-Crafts (p. ex. BF3) et un promoteur (p. ex. n-butanol). Le mélange d'oléfines peut être formé à partir d'alpha-oléfines (p. ex.déc-1-ène) en soumettant les alpha-oléfines à l'isomérisation jusqu'à ce que 10-50 % en poids des oléfines soient de type interne.

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