Low molecular weight branched alkenyl succinic acid...

Details Low molecular weight branched alkenyl succinic acid... Low molecular weight branched alkenyl succinic acid...

C - Chemistry, Metallurgy

08

F

C08F 122/40 (2006.01) C07C 57/13 (2006.01) C07D 207/412 (2006.01) C07D 307/60 (2006.01) C08F 8/00 (2006.01) C08F 110/10 (2006.01) C08F 122/02 (2006.01) C10M 101/00 (2006.01) C10M 133/16 (2006.01)

Patent

CA 2440577

This invention is directed to a new low molecular weight branched alkenyl succinic acid derivative that may be prepared by reacting a low molecular weight polyisobutene (PIB) having from about 8 to about 32 carbon atoms, and wherein at least about 50 % of the olefinic bonds of the polyisobutene comprises methylvinylidene isomer plus tri-substituted isomer, with an unsaturated acidic reagent and method of making same, resulting in alkenyl succinic acid derivative isomers; and a low molecular weight branched alkenyl succinimide and method of making same.

Cette invention concerne un nouveau dérivé d'acide succinique alkénylique ramifié de faible masse moléculaire pouvant être préparé en faisant réagir un polyisobutène (PIB) de faible masse moléculaire comptant environ 8 à environ 32 atomes de carbone, dans lequel au moins environ 50 % des liaisons oléfiniques correspondent à un isomère méthylvinylidène et à un isomère trisubstitué, avec un réactif acide insaturé; l'invention concerne aussi une méthode permettant de fabriquer ce dérivé, pour ainsi obtenir des isomères du dérivé d'acide succinique alkylénique ainsi qu'un succinimide alkylénique ramifié de faible masse moléculaire selon la même méthode.

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