Patent ID: 6706832
Filing Date: 2004-03-16
Classification: C08F

Abstract:
Homopolymer or random copolymer of ethylene carrying,at one of its ends, a Z fragment resulting from an initiating radical (Z*) and, at its other end or along the polymer chain, a SFR fragment resulting from a controlling stable free radical (SFR*), said controlling free radical comprising an indoline nitroxide backbone represented by the formula (I): in which A is an aromatic ring including two carbon atoms which also form the nitrogenous ring, this ring A may carry substituent(s) or may carry one or more rings placed side by side, which rings are aromatic or aliphatic and optionally substituted, and the carbon atoms forming the nitrogenous ring in the alpha- and beta-position with respect to the nitrogen atom may carry hydrogen atoms or substituents.