Abstract: In a process for polmerizing a mixture comprising at least one free-radically polymerizable monomer and a transition metal complex whose transition metal is capable of reversibly binding a halogen atom, thus bringing about a change in the oxidation state of the transition metal from a first oxidation state to a second, in the presence of an initiator R-Y, where Y is halogen and R is alkyl, substituted alkyl, cycloalkyl (substituted or unsubstituted), aryl or —CHnHal3-n, where n=0 to 2 and Hal=halogen, in an aqueous system, the transition metal is bound via suitable anchor groups to the hydrophobic part of an amphiphilic polymer which is made up of a hydrophilic part and a hydrophobic part. Also provided are a corresponding transition metal complex, a reaction product which can be prepared by this process and the use of this transition metal complex for preparing reaction products by free-radical polymerization.

Abstract: The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), at least one free-radical initiator and at least one free-radically polymerizable monomer containing halogen or sulfonyl chloride groups under free-radical conditions, and to a reaction product (RP) which can be prepared by the process of the present invention and to the use of the reaction product (RP) as macroinitiator for the preparation of graft copolymers. Furthermore the invention relates to a process for preparing graft copolymers by reaction of the reaction product (RP) with at least one suitable monomer and to graft copolymers which can be prepared by the process of the present invention and also to the use of the graft copolymers of the present invention.

Abstract: A polymeric reaction product is prepared by a process comprising a reaction, under free radical conditions, of a reaction mixture containing at least one monomer (a) capable of undergoing free radical reactions, in the presence of a compound (I) of the formula: 1

Abstract: The invention relates to a process for preparing a reaction product (RP) which is functionalized by groups containing halogen or sulfonyl chloride by reaction of at least one free-radically polymerizable monomer, at least one compound of the formula (I), 1

Abstract: Polymers comprising repeating units of the formula I 1