Linear-to-branched micelles transition: a rheometry and diffusing wave spectroscopy (DWS) study

Langmuir : the ACS Journal of Surfaces and Colloids
C OelschlaegerN Willenbacher

Abstract

The frequency-dependent shear modulus of aqueous wormlike micellar solutions of cetylpyridinium chloride (CPyCl) and sodium salicylate (NaSal) has been measured over a broad frequency range from 10(-2) to 10(6) rad/s using diffusing wave spectroscopy (DWS) based tracer microrheology as well as mechanical techniques including rotational rheometry and oscillatory squeeze flow. Good agreement between mechanical and optical techniques is found in the frequency range from 10(-1) to 10(5) rad/s (Willenbacher, N.; Oelschlaeger, C.; Schopferer, M.; Fischer, P.; Cardinaux, F.; Scheffold, F. Phys. Rev. Lett. 2007, 99 (6), 068302). At intermediate frequencies between 10 and 10(4) rad/s, squeeze flow provides most accurate data and is used to determine the plateau modulus G(0), which is related to the cross-link density or mesh size of the entanglement network, as well as the scission energy E(sciss), which is deduced from the temperature dependence of the shear moduli in the plateau zone. In the frequency range above 10(4) rad/s, DWS including a new inertia correction is most reliable and is used to determine the persistence length l(p). The system CPyCl/NaSal is known to exhibit two maxima in zero-shear viscosity and terminal relaxation ...Continue Reading

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Apr 23, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Mohammad Mydul Alam, Raffaele Mezzenga
Sep 24, 2011·Langmuir : the ACS Journal of Surfaces and Colloids·Rekha Goswami ShresthaMasahiko Abe
Apr 13, 2010·Lab on a Chip·S Ali Kazemi Oskooei, David Sinton
Apr 10, 2013·Proceedings of the National Academy of Sciences of the United States of America·Joshua J CardielAmy Q Shen
Apr 16, 2013·Advances in Colloid and Interface Science·Nor Saadah M Yusof, M Niyaz Khan
May 7, 2011·The Journal of Physical Chemistry. B·Yixiu HanHongyan Wang
Nov 22, 2012·Langmuir : the ACS Journal of Surfaces and Colloids·Takumi KusanoMitsuhiro Shibayama
Nov 3, 2009·Journal of Colloid and Interface Science·Mario R RojasA Eduardo Sáez
May 18, 2010·Advanced Materials·April M KloxinKristi S Anseth
Aug 2, 2016·Colloids and Surfaces. B, Biointerfaces·R PasquinoB de Gennaro
Jan 5, 2019·Soft Matter·Weizhong ZouRonald G Larson
Mar 30, 2019·Proceedings of the National Academy of Sciences of the United States of America·Ha Seong KimThomas G Mason
May 10, 2019·Scientific Reports·Steffen M RecktenwaldNorbert Willenbacher
Sep 13, 2015·The European Physical Journal. E, Soft Matter·Meisam Asgari
Jan 30, 2015·The European Physical Journal. E, Soft Matter·Linet Rose JLisa Sreejith
Nov 28, 2019·Soft Matter·Karthik R PeddireddyRae M Robertson-Anderson
Jan 24, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·P Domínguez-GarcíaSylvia Jeney
Aug 3, 2017·Gels·Paula Malo de Molina, Michael Gradzielski
Apr 4, 2020·Scientific Reports·Valerio VitaliPaolo Minzioni
Mar 19, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Samuel W HolderHadi Mohammadigoushki
May 12, 2009·Langmuir : the ACS Journal of Surfaces and Colloids·Silke RathgeberClaude Oelschlaeger
Feb 26, 2010·Langmuir : the ACS Journal of Surfaces and Colloids·C OelschlaegerN Willenbacher
Apr 29, 2021·Soft Matter·Shijian Wu, Hadi Mohammadigoushki
Sep 10, 2010·The Journal of Physical Chemistry. B·Erick Sarmiento-GomezRolando Castillo
Oct 10, 2019·The Journal of Physical Chemistry. B·Natalia Rincón-LondoñoRolando Castillo
Jun 4, 2020·Langmuir : the ACS Journal of Surfaces and Colloids·Niti R AgrawalSrinivasa R Raghavan
Sep 27, 2018·Langmuir : the ACS Journal of Surfaces and Colloids·Taraknath Mandal, Ronald G Larson
Sep 23, 2021·The Journal of Physical Chemistry. B·Noah H ChoJeffrey J Richards
Oct 2, 2021·Journal of Physics. Condensed Matter : an Institute of Physics Journal·Antonio Tavera-VázquezRolando Castillo

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