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Solvent influence on propagation kinetics in radical polymerizations studied by pulsed laser initiated polymerizations

  • The influence of the reaction medium (organic solvents, water, ionic liquids, supercritical CO2) on the propagation rate in radical polymerizations has very different causes, e.g., hindered rotational modes, hydrogen bonding or electron pair donor/acceptor interactions. Depending on the origin of the solvent influence propagation rate coefficients, k(P), may be enhanced by up to an order of magnitude associated with changes in the pre-exponential or the activation energy of k(P). In contrast, non-specific interactions, size and steric effects lead to rather small changes in the vicinity of the radical chain end and are reflected by modest variations in k(P).

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Author details:Sabine BeuermannORCiDGND
URL:http://www3.interscience.wiley.com/cgi-bin/jhome/10003270
DOI:https://doi.org/10.1002/marc.200900131
ISSN:1022-1336
Publication type:Article
Language:English
Year of first publication:2009
Publication year:2009
Release date:2017/03/25
Source:Macromolecular rapid communications. - ISSN 1022-1336. - 30 (2009), 13, S. 1066 - 1088
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie
Peer review:Referiert
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