Cationic polymerisation of 1-olefins

Details Cationic polymerisation of 1-olefins Cationic polymerisation of 1-olefins

C - Chemistry, Metallurgy

07

C

402/581, 260/707

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

Patent

CA 1236125

5711(2) ABSTRACT OF THE DISCLOSURE CATIONIC POLYMERISATION OF 1-OLEFINS This invention relates to a process for producing polyisobutene which has at least 70% of its unsaturation in the terminal position. The process uses a complex of boron trifluoride and alcohol as catalyst and a contact time of at least 8 minutes. The feature of the process is its ability to use longer contact times than used hitherto thereby facilitating its commercial operation and improving the control of such an operation. The high terminal unsaturation improves the reactivity of the polymer.

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