Home > Publications database > Equilibrium exchange kinetics in n-alkyl-PEO polymeric micelles: single exponential relaxation and chain length dependence > print

001     18975
005     20240619091906.0
024 7 _ |2 DOI
|a 10.1039/C1SM06809A
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|a Materials Science, Multidisciplinary
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|a Physics, Multidisciplinary
084 _ _ |2 WoS
|a Polymer Science
100 1 _ |0 P:(DE-Juel1)VDB97694
|a Zinn, T.
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245 _ _ |a Equilibrium exchange kinetics in n-alkyl-PEO polymeric micelles: single exponential relaxation and chain length dependence
260 _ _ |a Cambridge
|b Royal Society of Chemistry (RSC)
|c 2012
300 _ _ |a 623 - 626
336 7 _ |a Journal Article
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440 _ 0 |0 16881
|a Soft Matter
|v 8
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500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a In this communication we present first results on the chain exchange kinetics of n-alkyl-PEO polymeric micelles by time-resolved small angle neutron scattering. We found that the rate strongly depends on the alkyl-chain length and that the relaxation function almost perfectly follows the single exponential decay predicted by theory. The key achievement of this study is the experimental verification that core block polydispersity accounts for the almost logarithmic time decay in block copolymer micelles as recently suggested by Choi et al. The results thus directly show that unimer exchange is the main mechanism for molecular exchange in block copolymer micelles.
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|a Forschungs-Neutronenquelle Heinz Maier-Leibnitz
|e KWS-1: Small angle scattering diffractometer
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|a Willner, L.
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|a Lund, R.
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|a Pipich, V.
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700 1 _ |0 P:(DE-Juel1)130917
|a Richter, D.
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|g Vol. 8, p. 623 - 626
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856 7 _ |u http://dx.doi.org/10.1039/C1SM06809A
856 4 _ |u https://juser.fz-juelich.de/record/18975/files/FZJ-18975.pdf
|y Published under German "Allianz" Licensing conditions on 2011-12-01. Available in OpenAccess from 2012-12-01
|z Published final document.
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