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024 7 _ |2 DOI
|a 10.1021/ma9017185
024 7 _ |2 WOS
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037 _ _ |a PreJuSER-7863
041 _ _ |a eng
082 _ _ |a 540
084 _ _ |2 WoS
|a Polymer Science
100 1 _ |0 P:(DE-Juel1)131056
|a Zamponi, M.
|b 0
|u FZJ
245 _ _ |a Molecular observation of branch point motion in star polymer melts
260 _ _ |a Washington, DC
|b Soc.
|c 2010
300 _ _ |a 518 - 524
336 7 _ |a Journal Article
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336 7 _ |a article
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440 _ 0 |0 4142
|a Macromolecules
|v 43
|x 0024-9297
|y 1
500 _ _ |a Record converted from VDB: 12.11.2012
520 _ _ |a Using neutron spin echo (NSE) spectroscopy and a labeling scheme unique to neutron scattering the motion of it labeled branch point of a three-arm polyethylene star has been observed oil a molecular level. The measured dynamic structure factor shows a clear transition to a Plateau, Signifying the stronger confinement of the star center in comparison to a corresponding center labeled linear chain. A shortening of one star arm to about only one entanglement length leads to the same topological confinement as for the symmetric star within the accessible time range of NSE. This reflects it stronger effect of such it small branch than expected and is consistent with rheological measurements on the same system.
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|a Pyckhout-Hintzen, W.
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700 1 _ |0 P:(DE-Juel1)131040
|a Wischnewski, A.
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|a Monkenbusch, M.
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700 1 _ |0 P:(DE-Juel1)VDB4260
|a Willner, L.
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700 1 _ |0 P:(DE-HGF)0
|a Kali, G.
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700 1 _ |0 P:(DE-Juel1)130917
|a Richter, D.
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773 _ _ |0 PERI:(DE-600)1491942-4
|a 10.1021/ma9017185
|g Vol. 43, p. 518 - 524
|n 1
|p 518 - 524
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|t Macromolecules
|v 43
|x 0024-9297
|y 2010
856 7 _ |u http://dx.doi.org/10.1021/ma9017185
909 C O |o oai:juser.fz-juelich.de:7863
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|b Forschungsbereich Materie
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|v Neutrons for Research on Condensed Matter
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914 1 _ |y 2010
915 _ _ |0 StatID:(DE-HGF)0010
|a JCR/ISI refereed
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|d 31.12.2010
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