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000018976 0247_ $$2DOI$$a10.1021/ma102624b
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000018976 084__ $$2WoS$$aPolymer Science
000018976 1001_ $$0P:(DE-Juel1)VDB65047$$aLonetti, B.$$b0$$uFZJ
000018976 245__ $$aFull Characterization of PB-PEO Wormlike Micelles at Varying Solvent Selectivity
000018976 260__ $$aWashington, DC$$bSoc.$$c2011
000018976 300__ $$a3583 - 3593
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000018976 440_0 $$04142$$aMacromolecules$$v44$$x0024-9297$$y9
000018976 500__ $$aA.T. thanks the International Helmholtz Research School BioSoft for financial support. We acknowledge the DFG for financial support within the SFB TR-6.
000018976 520__ $$aPoly(butadiene-ethylene oxide) (PB-PEO) block copolymers form wormlike micelles in water. These structures can be characterized over a very broad range of length. scales, ranging from the contour and persistence length to the core/corona diameter and the total aggregation number. Here we use fluorescence microscopy, dynamic and static light scattering and small angle neutron scattering to obtain information on the full range of length scales, while changing the solvent selectivity of the block copolymer by varying the molar ratio of mixtures of N,N-dimethylformamide (DMF) and water. We show that the wormlike micelles become very small and flexible before a transition to spherical micelles sets in decreasing the interfacial tension. We calculated the free energy contributions for the different species using the experimental input and confirmed that the transition to spherical micelles is energetically favored.
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000018976 7001_ $$0P:(DE-HGF)0$$aTsigkri, A.$$b1
000018976 7001_ $$0P:(DE-Juel1)130789$$aLang, P.R.$$b2$$uFZJ
000018976 7001_ $$0P:(DE-Juel1)130986$$aStellbrink, J.$$b3$$uFZJ
000018976 7001_ $$0P:(DE-Juel1)VDB4260$$aWillner, L.$$b4$$uFZJ
000018976 7001_ $$0P:(DE-HGF)0$$aKohlbrecher, J.$$b5
000018976 7001_ $$0P:(DE-Juel1)130797$$aLettinga, M.P.$$b6$$uFZJ
000018976 773__ $$0PERI:(DE-600)1491942-4$$a10.1021/ma102624b$$gVol. 44, p. 3583 - 3593$$p3583 - 3593$$q44<3583 - 3593$$tMacromolecules$$v44$$x0024-9297$$y2011
000018976 8567_ $$uhttp://dx.doi.org/10.1021/ma102624b
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000018976 9132_ $$0G:(DE-HGF)POF3-551$$1G:(DE-HGF)POF3-550$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bKey Technologies$$lBioSoft  Fundamentals for future Technologies in the fields of Soft Matter and Life Sciences$$vFunctional Macromolecules and Complexes$$x0
000018976 9132_ $$0G:(DE-HGF)POF3-623$$1G:(DE-HGF)POF3-620$$2G:(DE-HGF)POF3-600$$aDE-HGF$$bForschungsbereich Materie$$lIn-house research on the structure, dynamics and function of matter$$vNeutrons for Research on Condensed Matter$$x1
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