Dimerization of propylene and butene

Details Dimerization of propylene and butene Dimerization of propylene and butene

C - Chemistry, Metallurgy

08

F

252/8, 260/706.4

C08F 4/70 (2006.01) B01J 29/072 (2006.01) C07C 2/24 (2006.01) C08F 10/04 (2006.01)

Patent

CA 1205792

ABSTRACT OF THE DISCLOSURE An improved process, and catalyst therefor, for the dimerization of propylene, butene-1 and butene-2, is disclos- ed. The monomer is contacted with the catalyst at 100-260°C and a pressure of 3-30 MPa and the dimers formed are separat- ed. The catalyst is prepared by depositing nickel on a zeolite, contacting the nickel with an amine and heat-treat- ing the resultant composition at 260-350°C. The amine may be ammonia, alkylamines in which the alkyl group has 1-6 carbon atoms and piperidine. The process may be used in the manu- facture of hexenes and octenes.

421308

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