Process for the production of polyisobutenes

Details Process for the production of polyisobutenes Process for the production of polyisobutenes

C - Chemistry, Metallurgy

07

C

260/700.7

C07C 2/10 (2006.01) B01J 21/04 (2006.01) C08F 110/10 (2006.01)

Patent

CA 1157485

ABSTRACT OF THE DISCLOSURE A process for selectively producing liquid polyisobutene contacting a feed stream containing mixed butenes with a dry chlorinated alumina catalyst at a temperature of from about -15 to about 50°C wherein the chlorinated alumina contains from about 2 to 12% by weight of chlorine and the alumina has a purity of at least 99% and a surface area greater than 150 m2/g with at least 10% of the pores having a mean diameter larger than 200.ANG. and recovering polyisobutenes having a molecular weight between about 280 and 4000.

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