Organo-a1-chloride catalyzed poly-n-butenes process

Details Organo-a1-chloride catalyzed poly-n-butenes process Organo-a1-chloride catalyzed poly-n-butenes process

C - Chemistry, Metallurgy

07

C

260/706.9

C07C 2/30 (2006.01) C07C 11/02 (2006.01) C08F 10/08 (2006.01) C08F 240/00 (2006.01)

Patent

CA 1323635

ABSTRACT OF THE DISCLOSURE Poly-n-butene is prepared from a mixed C4 hydrocarbon feedstream containing less than about 5 wt.% isobutylene using an organo-aluminum chloride-HCl catalyst system wherein the HCl is introduced separately into the feedstream to form organochloride in the feedstream. Polymer product having a very narrow molecular weight distribution is obtained over the Mn range of 300 to 900. Detergents derived from this poly-n-butene exhibit substantially improved performance in lubricating oil compositions.

613260

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