Multi-lamellar vesicle formation in a long-chain nonionic surfactant: C16E4/D2O system
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Multi-lamellar vesicle formation in a long-chain nonionic surfactant : C16E4/D2O system. / Gentile, Luigi; Mortensen, Kell; Rossi, Cesare Oliviero; Olsson, Ulf; Ranieri, Giuseppe A.
I: Journal of Colloid and Interface Science, Bind 362, Nr. 1, 2011, s. 1-4.Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt
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TY - JOUR
T1 - Multi-lamellar vesicle formation in a long-chain nonionic surfactant
T2 - C16E4/D2O system
AU - Gentile, Luigi
AU - Mortensen, Kell
AU - Rossi, Cesare Oliviero
AU - Olsson, Ulf
AU - Ranieri, Giuseppe A.
PY - 2011
Y1 - 2011
N2 - The temperature dependent rheological and structural behavior of a long-chain C16E4 (tetraethylene glycol monohexadecyl ether) surfactant in D2O has been studied within the regime of low shear range. In the absence of shear flow, the system forms a lamellar liquid crystalline phase at relatively high temperatures. The present paper reports on the shear-induced multi-lamellar vesicle (MLV) formation in C16E4/D2O at 40 wt.% of surfactant in the temperature range of 40–55 °C. The transition from planar lamellar structure to multi-lamellar vesicles has been investigated by time-resolved experiments combining rheology and nuclear magnetic resonance (rheo-NMR), rheo small-angle neutron scattering (rheo-SANS) and rheometry. The typical transient viscosity behavior of MLV formation has been discovered at low shear rate value of 0.5 s−1.
AB - The temperature dependent rheological and structural behavior of a long-chain C16E4 (tetraethylene glycol monohexadecyl ether) surfactant in D2O has been studied within the regime of low shear range. In the absence of shear flow, the system forms a lamellar liquid crystalline phase at relatively high temperatures. The present paper reports on the shear-induced multi-lamellar vesicle (MLV) formation in C16E4/D2O at 40 wt.% of surfactant in the temperature range of 40–55 °C. The transition from planar lamellar structure to multi-lamellar vesicles has been investigated by time-resolved experiments combining rheology and nuclear magnetic resonance (rheo-NMR), rheo small-angle neutron scattering (rheo-SANS) and rheometry. The typical transient viscosity behavior of MLV formation has been discovered at low shear rate value of 0.5 s−1.
KW - CnEm
KW - Rheology
KW - Rheo-SANS
KW - Rheo-NMR
KW - MLV formation
U2 - 10.1016/j.jcis.2011.06.053
DO - 10.1016/j.jcis.2011.06.053
M3 - Journal article
VL - 362
SP - 1
EP - 4
JO - Journal of Colloid and Interface Science
JF - Journal of Colloid and Interface Science
SN - 0021-9797
IS - 1
ER -
ID: 37587131