Reference : Concomitant adsorption of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers a...
Scientific journals : Article
Engineering, computing & technology : Materials science & engineering
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/6150
Concomitant adsorption of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers and sodium dodecyl sulfate at the silica-water interface
English
Vangeyte, Patrick [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
Leyh, Bernard mailto [University of Liège (ULg) > Department of Chemistry > Laboratoire de dynamique moléculaire > >]
De Clercq, C. [University of Liège (ULg) > Department of Chemistry > Laboratoire de Dynamique Moléculaire > >]
Auvray, Loïc [Laboratoire Léon Brillouin (Saclay) and University of Evry, France > > Laboratoire des Matériaux Polymères aux Interfaces (Evry) > >]
Misselyn-Bauduin, Anne-Marie [Université catholique de Louvain (UCL) > > > >]
Jérôme, Robert mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
16-Aug-2005
Langmuir
Amer Chemical Soc
21
17
7710-7716
Yes (verified by ORBi)
International
0743-7463
Washington
[en] Upon addition of silica to aqueous solutions of poly(ethylene oxide)-b-poly(epsilon-caprolactone) copolymers (PEO-b-PCL) and sodium dodecyl sulfate (SDS), adsorption of the solutes occurs at the silica-water interface. The amount of the adsorbed constituents has been measured by the total concentration depletion method. Small-angle neutron scattering experiments (SANS) have been carried out to investigate the structure of the adsorbed layer. Although SDS is not spontaneously adsorbed onto hydrophilic silica, adsorption is observed in the presence of PEO-b-PCL diblocks, in relation to the relative concentration of the two compounds. Conversely, SDS has a depressive effect on the adsorption of the copolymer, whose structure at the interface is modified. Copolymer desorption is however never complete at high SDS content. These observations have been rationalized by the associative behavior of PEO-b-PCL and SDS in water.
Center for Education and Research on Macromolecules (CERM)
Fonds pour la formation à la Recherche dans l'Industrie et dans l'Agriculture (Communauté française de Belgique) - FRIA ; Politique Scientifique Fédérale (Belgique) = Belgian Federal Science Policy ; The European Community-Access to Research Infrastructures Action of the Improving Human Potential Program (HPRI)
Researchers
http://hdl.handle.net/2268/6150
10.1021/la047051k
http://pubs.acs.org/doi/pdf/10.1021/la047051k

File(s) associated to this reference

Fulltext file(s):

FileCommentaryVersionSizeAccess
Restricted access
Vangeyte P 2005 Langmuir 7710.pdfNo commentaryPublisher postprint149.88 kBRequest copy

Bookmark and Share SFX Query

All documents in ORBi are protected by a user license.