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Title: Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles

Abstract

The shear-induced microstructure of a shear-induced phase separating (SIPS) wormlike micellar solution is measured by combining small-angle neutron scattering with a shear cell capable of gap-resolved measurement in the 1-2 (velocity-velocity gradient) plane. Quantitative results show evidence for shear-induced microphase separation accompanied by shear banding. The results suggest both concentration fluctuations and gradients in segmental alignment occurring during SIPS.

Authors:
; ; ;  [1];  [2]
  1. Department of Chemical Engineering, University of Delaware, Newark, Delaware 19716 (United States)
  2. (United States) and NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899 (United States)
Publication Date:
OSTI Identifier:
20778696
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics; Journal Volume: 73; Journal Issue: 2; Other Information: DOI: 10.1103/PhysRevE.73.020504; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; COLLOIDS; FLUCTUATIONS; MICELLAR SYSTEMS; MICROSTRUCTURE; NEUTRON DIFFRACTION; RHEOLOGY; SHEAR; SHEAR PROPERTIES; SMALL ANGLE SCATTERING; VELOCITY

Citation Formats

Liberatore, Matthew W., Nettesheim, Florian, Wagner, Norman J., Porcar, Lionel, and University of Maryland, College Park, Maryland 20742. Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles. United States: N. p., 2006. Web. doi:10.1103/PHYSREVE.73.0.
Liberatore, Matthew W., Nettesheim, Florian, Wagner, Norman J., Porcar, Lionel, & University of Maryland, College Park, Maryland 20742. Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles. United States. doi:10.1103/PHYSREVE.73.0.
Liberatore, Matthew W., Nettesheim, Florian, Wagner, Norman J., Porcar, Lionel, and University of Maryland, College Park, Maryland 20742. Wed . "Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles". United States. doi:10.1103/PHYSREVE.73.0.
@article{osti_20778696,
title = {Spatially resolved small-angle neutron scattering in the 1-2 plane: A study of shear-induced phase-separating wormlike micelles},
author = {Liberatore, Matthew W. and Nettesheim, Florian and Wagner, Norman J. and Porcar, Lionel and University of Maryland, College Park, Maryland 20742},
abstractNote = {The shear-induced microstructure of a shear-induced phase separating (SIPS) wormlike micellar solution is measured by combining small-angle neutron scattering with a shear cell capable of gap-resolved measurement in the 1-2 (velocity-velocity gradient) plane. Quantitative results show evidence for shear-induced microphase separation accompanied by shear banding. The results suggest both concentration fluctuations and gradients in segmental alignment occurring during SIPS.},
doi = {10.1103/PHYSREVE.73.0},
journal = {Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics},
number = 2,
volume = 73,
place = {United States},
year = {Wed Feb 15 00:00:00 EST 2006},
month = {Wed Feb 15 00:00:00 EST 2006}
}