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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 LU and Ranieri, Giuseppe A. (2011) In Journal of Colloid and Interface Science 362(1). p.1-4
Abstract
The temperature dependent theological 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 degrees 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... (More)
The temperature dependent theological 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 degrees 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). (C) 2011 Elsevier Inc. All rights reserved. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
CnEm, Rheology, Rheo-SANS, Rheo-NMR, MLV formation
in
Journal of Colloid and Interface Science
volume
362
issue
1
pages
1 - 4
publisher
Academic Press
external identifiers
  • wos:000293762000001
  • scopus:84857059802
ISSN
1095-7103
DOI
10.1016/j.jcis.2011.06.053
language
English
LU publication?
yes
id
0ecaae7f-1501-4c2f-adfa-7b5ecca30ef7 (old id 2159437)
date added to LUP
2016-04-01 10:00:37
date last changed
2025-04-04 14:27:38
@article{0ecaae7f-1501-4c2f-adfa-7b5ecca30ef7,
  abstract     = {{The temperature dependent theological 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 degrees 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). (C) 2011 Elsevier Inc. All rights reserved.}},
  author       = {{Gentile, Luigi and Mortensen, Kell and Rossi, Cesare Oliviero and Olsson, Ulf and Ranieri, Giuseppe A.}},
  issn         = {{1095-7103}},
  keywords     = {{CnEm; Rheology; Rheo-SANS; Rheo-NMR; MLV formation}},
  language     = {{eng}},
  number       = {{1}},
  pages        = {{1--4}},
  publisher    = {{Academic Press}},
  series       = {{Journal of Colloid and Interface Science}},
  title        = {{Multi-lamellar vesicle formation in a long-chain nonionic surfactant: C16E4/D2O system}},
  url          = {{http://dx.doi.org/10.1016/j.jcis.2011.06.053}},
  doi          = {{10.1016/j.jcis.2011.06.053}},
  volume       = {{362}},
  year         = {{2011}},
}