Method for preparing asymmetric radial copolymers.

摘要

A method for preparing asymmetric radial polymers wherein the different polymeric arms are contacted sequentially with a coupling agent. The method narrows the relative arm distribution of the specifically selected asymmetric radial polymers produced and significantly increases the amount of tailor made final product, having the desired ratio of polymeric arms. Coupling agents having six functional chlorine groups are to be used for the preparation of said asymmetric radial polymers, containing four arms of one type and two arms of another type.