TY  - JOUR
AU  - Wellert, S.
AU  - Karg, M.
AU  - Holderer, O.
AU  - Richardt, A.
AU  - Hellweg, T.
TI  - Temperature dependence of the surfactant film bending elasticity in a bicontinuous sugar surfactant based microemulsion: a quasielastic scattering study
JO  - Physical Chemistry Chemical Physics
VL  - 13
SN  - 1463-9076
CY  - Cambridge
PB  - RSC Publ.
M1  - PreJuSER-14249
SP  - 3092 - 3099
PY  - 2011
N1  - Record converted from VDB: 12.11.2012
AB  - Currently, the design of microemulsions is focussed on the formulation of environmentally compatible systems formed by non-harmful amphiphiles and oils. The use of sugar-based surfactants allows the design of microemulsions where, instead of the temperature, the addition of short- or medium-chain alcohols tunes the curvature of the amphiphilic interface. In this work, the resulting temperature stability of a sugar surfactant and rapeseed methyl ester based bicontinuous microemulsion is exploited to study the influence of temperature variations on the bending elastic constant κ. Quasi-elastic scattering of light and neutrons is used to separate long-range collective motions and local thermally excited undulations of the interface. κ in units of kT is found to be independent of temperature over a wide range.
KW  - Carbohydrates: chemistry
KW  - Elasticity
KW  - Emulsions: chemistry
KW  - Light
KW  - Scattering, Radiation
KW  - Scattering, Small Angle
KW  - Surface-Active Agents: chemistry
KW  - Temperature
KW  - X-Ray Diffraction
KW  - Carbohydrates (NLM Chemicals)
KW  - Emulsions (NLM Chemicals)
KW  - Surface-Active Agents (NLM Chemicals)
KW  - J (WoSType)
LB  - PUB:(DE-HGF)16
C6  - pmid:21152562
UR  - <Go to ISI:>//WOS:000287041700012
DO  - DOI:10.1039/c0cp02044c
UR  - https://juser.fz-juelich.de/record/14249
ER  -