Macromolecules

Steric and polar effects of the cyclic nitroxyl fragment on the C-ON bond homolysis rate constant

…, A Kramer, SRA Marque, P Nesvadba

Index: Fischer, Hanns; Kramer, Andreas; Marque, Sylvain R. A.; Nesvadba, Peter Macromolecules, 2005 , vol. 38, # 24 p. 9974 - 9984

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Citation Number: 46

Abstract

Alkoxyamines and persistent nitroxyl radicals are important regulators of nitroxide mediated radical polymerization (NMP). Because polymerization times decrease with increasing rate constant of the homolysis of the C-ON bond between the polymer chain and the nitroxyl moiety, the factors influencing the cleavage rate constant are of considerable interest. Here, we present the measurements of the rate constants (kd) of the C-ON bond cleavage in ...