Role of the alkyl fragment of initiating alkoxyamine in nitroxide mediated polymerization of styrene

The role of the alkyl fragment of alkoxyamine initiating the homopolymerization of styrene is experimentally and theoretically studied in the case of 2,2,6,6-tetramethylpiperidine-1-oxyl derivatives. The rate constants of homolysis and recombination are measured for the alkoxyamines under study. The...

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Published inPolymer science. Series B Vol. 52; no. 5-6; pp. 327 - 338
Main Authors Zubenko, D. P., Kirilyuk, I. A., Marque, S., Chuikov, I. P., Bagryanskaya, E. G.
Format Journal Article
LanguageEnglish
Published Dordrecht SP MAIK Nauka/Interperiodica 01.06.2010
Subjects
Allowances
Chemistry
Chemistry and Materials Science
Derivatives
Fragmentation
Mathematical analysis
Polymer Sciences
Polymerization
Radicals
Reaction kinetics
Styrenes
Polymer Science Series
Monomer Conversion
Nitroxide
Average Molecular Mass
Nitroxide Radical
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Summary:The role of the alkyl fragment of alkoxyamine initiating the homopolymerization of styrene is experimentally and theoretically studied in the case of 2,2,6,6-tetramethylpiperidine-1-oxyl derivatives. The rate constants of homolysis and recombination are measured for the alkoxyamines under study. The characteristics of polymerization initiated by these compounds are experimentally examined. The kinetics of polymerization is theoretically calculated with allowance for the measured kinetic parameters and the experimentally detected side reaction of hydrogen-atom transfer to the nitroxide radical during the thermolysis of alkoxyamine 2-cyano-2-isopropyl-TEMPO.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1560-0904
1555-6123
DOI:10.1134/S156009041005009X