Article (Scientific journals)
Surface concentration of chain ends in polystyrene determined by static secondary ion mass spectroscopy
Affrossman, S.; Hartshorne, M.; Jérôme, Robert et al.
1993In Macromolecules, 26 (23), p. 6251-6254
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Keywords :
mass spectrometry
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Chemistry
Materials science & engineering
Author, co-author :
Affrossman, S.;  University of Strathclyde, Glasgow, UK > Department of Pure and Applied Chemistry
Hartshorne, M.;  University of Strathclyde, Glasgow, UK > Department of Pure and Applied Chemistry
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Pethrick, R. A.;  University of Strathclyde, Glasgow, UK > Department of Pure and Applied Chemistry
Petitjean, S.;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Rei Vilar, M.;  Thiais, CNRS, France > Laboratoire de Spectrochimie Infrarouge et Raman
Language :
English
Title :
Surface concentration of chain ends in polystyrene determined by static secondary ion mass spectroscopy
Publication date :
08 November 1993
Journal title :
Macromolecules
ISSN :
0024-9297
eISSN :
1520-5835
Publisher :
American Chemical Society, Washington, United States - District of Columbia
Volume :
26
Issue :
23
Pages :
6251-6254
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
ESF - European Science Foundation [FR]
The NFSR
Commentary :
Diblock and triblock copolymers of hydrogenous and deuterated styrene are synthesized to investigate chain-end segregation by static secondary ion mass spectroscopy. Films of the diblocks on silicon wafers show no significant chain-end segregation. In contrast, the triblocks show marked chain-end segregation on silicon wafers with or without the native oxide. Triblocks of isotopic structure D-H-D and H-D-H both showed end-group segregation, suggesting that the surface free energy differences between C-D and C-H are not the dominant factor.
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