Multi-lamellar vesicle formation in a long-chain nonionic surfactant: C16E4/D2O system

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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.

Detaljer

Författare
  • Luigi Gentile
  • Kell Mortensen
  • Cesare Oliviero Rossi
  • Ulf Olsson
  • Giuseppe A. Ranieri
Enheter & grupper
Forskningsområden

Ämnesklassifikation (UKÄ) – OBLIGATORISK

  • Fysikalisk kemi

Nyckelord

Originalspråkengelska
Sidor (från-till)1-4
TidskriftJournal of Colloid and Interface Science
Volym362
Utgåva nummer1
StatusPublished - 2011
PublikationskategoriForskning
Peer review utfördJa