Authors:
K. Minewaki Tokyo Metropolitan University Department of Chemistry 1-1 Minamiohsawa Hachioji, Tokyo 192-0397 Japan 1-1 Minamiohsawa Hachioji, Tokyo 192-0397 Japan

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T. Kato Tokyo Metropolitan University Department of Chemistry 1-1 Minamiohsawa Hachioji, Tokyo 192-0397 Japan 1-1 Minamiohsawa Hachioji, Tokyo 192-0397 Japan

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H. Yoshida Tokyo Metropolitan University Department of Applied Chemistry 1-1 Minamiohsawa Hachioji Tokyo 192-0397 Japan 1-1 Minamiohsawa Hachioji Tokyo 192-0397 Japan

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M. Imai Ochanomizu University Department of Physics 2-1-1 Otsuka, bunkyo-ku Tokyo 112-8610 Japan 2-1-1 Otsuka, bunkyo-ku Tokyo 112-8610 Japan

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Abstract  

We have investigated effects of shear flow on the structure of lamellar phase in hepta(oxyethylene glycol)—n—hexadecylether—water system using small-angle neutron scattering (SANS) under shear flow at the shear rates (

\documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $$\dot \gamma$$ \end{document}
) from 10–3 s–1 to 50 s–1. In the range
\documentclass{aastex} \usepackage{amsbsy} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{bm} \usepackage{mathrsfs} \usepackage{pifont} \usepackage{stmaryrd} \usepackage{textcomp} \usepackage{upgreek} \usepackage{portland,xspace} \usepackage{amsmath,amsxtra} \pagestyle{empty} \DeclareMathSizes{10}{9}{7}{6} \begin{document} $$\dot \gamma$$ \end{document}
=10–2 ~1 s–1, significant changes have been observed in both intensity and position of the reflection peak. Small-angle X-ray scattering without shear has been also measured at various concentrations and temperatures. It has been suggested from these results that the shear flow causes contraction of lamellar domains and formation of a new domain composed of disrupted bilayers which grows rapidly with increasing shear rate and reconstructs original microstructures.

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation
1969
Volumes
per Year
1
Issues
per Year
24
Founder Akadémiai Kiadó
Founder's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address
H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher
Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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