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GEOMETRY OF MICELLES OF THE POLY(OXYETHYLENE) NONIONIC SURFACTANTS C16E6 AND C16E8 IN THE PRESENCE OF ELECTROLYTE

Abstract:
Small-angle neutron scattering (SANS) has been used to investigate the geometry of micelles of the poly(oxyethylene) nonionic surfactants C16E6 and C16E8 aligned in situ in a shear flow, in the presence of 'salting in' or 'salting out' electrolyte. With increasing temperature, a growth of rodlike micelles and a subsequent reduction in effective rod length are observed. This evolution of micelle rod length, accompanied by subtle changes in rod flexibility, is attributed to changes in intramicelle ethylene oxide (EO)-ethylene oxide interactions.
Publication status:
Published

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Publisher copy:
10.1021/la00089a012

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
Journal:
LANGMUIR More from this journal
Volume:
5
Issue:
5
Pages:
1195-1199
Publication date:
1989-01-01
DOI:
EISSN:
1520-5827
ISSN:
0743-7463
Language:
English
Pubs id:
pubs:121730
UUID:
uuid:67cb2775-36c3-4466-b27e-63d3dd1e07f7
Local pid:
pubs:121730
Source identifiers:
121730
Deposit date:
2012-12-19

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