BigPatents India

(Co)polymers obtained by (co)polymerization of at least one  monomer which can, be polymerized by the radical route under bulk,    solution, emulsion, suspension or miniemulsion conditions    in   the presence of an alkoxyamine of formula: in which R represents a linear or branched alkyl radical having anumber of carbon atoms ranging from 1 to 3, R1 represents a hydrogen atom or a residue: in which R3 represents a linear or branched alkyl radical having a number of carbon atoms ranging from 1 to 20, and R2 represents a hydrogen atom, a linear or branched alkyl radical having a number of carbon atoms ranging from 1 to 8, a phenyl radical, an alkli metal, such as Li, Na or K, H4N+, BU4N+ or Bu3HN+, exhibiting a kinetic issociation constant kd, measured at 120°C by EPR, of greater than 0.05 s-1 and preferably of greater than 0.1 s-1.