Patent Number: 7,132,488

Title: Method for producing homopolymers and copolymers of isobutene

Abstract: In a process for the polymerization of isobutene or mixtures of isobutene with ethylenically unsaturated comonomers under the conditions of living cationic polymerization, the initiator system additionally comprises at least one nonpolymerizable, aprotic organosilicon compound having at least one Si--O bond.

Inventors: Huffer; Stephan (Ludwigshafen, DE), Rath; Hans Peter (Grunstadt, DE), Lang; Gabriele (Mannheim, DE)

Assignee: BASF Aktiengesellschaft

International Classification: C08F 10/10 (20060101); C08F 210/10 (20060101); C08F 4/12 (20060101)

Expiration Date: 2019-11-07 0:00:00