Reference : Surface structure of thin film blends of polystyrene and poly(n-butyl methacrylate)
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
Engineering, computing & technology : Materials science & engineering
http://hdl.handle.net/2268/14602
Surface structure of thin film blends of polystyrene and poly(n-butyl methacrylate)
English
Affrossman, S. [University of Strathclyde, Glascow, UK > Department of Pure and Applied Chemistry > > >]
Jérôme, Robert mailto [University of Liège (ULg) > Department of Chemistry > Center for Education and Research on Macromolecules (CERM) > >]
O'Neill, S. A. [University of Strathclyde, Glascow, UK > Department of Pure and Applied Chemistry > > >]
Schmitt, T. [Max -Planck-Institut für Polymerforschung, Mainz, Germany > > > >]
Stamm, Manfred [Institut for Polymerforschung, Dresden, Germany > > > >]
Oct-2000
Colloid and Polymer Science
Springer Science & Business Media B.V.
278
10
993-999
Yes (verified by ORBi)
International
0303-402X
[en] nanostructured material ; polymer blend
[en] Thin films of blends of polystyrene (PS) and poly(n-butyl methacrylate) (PBMA) were prepared by spin-casting onto silicon wafers in order to map the lateral distribution of the two polymers. The surfaces were examined by atomic force microscopy (AFM) secondary ion mass spectroscopy X-ray photoelectron spectroscopy (XPS) and photoemission electron microscopy (PEEM). Films with PBMA contents of 50% w/w or less were relatively smooth, but further increase in the PBMA content produced, initially, protruding PS ribbons and then, for PBMA ≥80% w/w, isolated PS islands. At all concentrations the topmost surface (0.5-1.0 nm) was covered by PBMA, whilst the PBMA concentration in the near-surface region, measured by XPS, increased with bulk content to eventual saturation. PEEM measurements of a PS-PBMA film at the composition at which ribbon features were observed by AFM also showed a PS-rich ribbon structure surrounded by a sea of mainly PBMA.
Center for Education and Research on Macromolecules (CERM)
The "EPSRC" ; Bundesministerium für Bildung und Forschung - BMBF ; Union Européenne = European Union - UE = EU
Researchers
http://hdl.handle.net/2268/14602
10.1007/s003960000358
http://www.springerlink.com/content/4qg1u06h2ayxq5w2/fulltext.pdf
The authors acknowledge Colloid & Polymer Science (Springer) for allowing them to archive this paper. The original publication is available at http://www.springerlink.com/content/4qg1u06h2ayxq5w2/fulltext.pdf

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