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A Library of Thiol-Terminated Methacrylate Telomers Prepared by Photoinitiated Iniferter Mediated Polymerization for Use in Modifications of Chromatographic Surfaces by the "Grafting to" Approach
Umeå University, Faculty of Science and Technology, Department of Chemistry.
Umeå University, Faculty of Science and Technology, Department of Chemistry.
2010 (English)In: Journal of Applied Polymer Science, ISSN 0021-8995, E-ISSN 1097-4628, Vol. 117, no 5, 2781-2789 p.Article in journal (Refereed) Published
Abstract [en]

A library of thiol-terminated methacrylate telomers aimed for use in surface modifications of chromatographic support materials has been prepared by iniferter mediated polymerization, using isopropylxanthic disulfide as a photoiniferter. The telomers range from hydrophobic to hydrophilic and were prepared in different lengths, with the length being adjusted by the ratio of monomer to iniferter used in the polymerization mixture. The telomers were characterized by size-exclusion chromatography and MALDI-TOF-MS. In initial surface characterization experiments, the prepared telomers were attached to the inner surface of fused silica capillaries by radical initiated addition to vinyl groups, and the electro-osmotic flow (EOF) in the prepared capillaries was determined in a capillary electrophoresis set-up. The EOF measurements verified surface grafting.

Place, publisher, year, edition, pages
[Nordborg, Anna; Irgum, Knut] Umea Univ, Dept Chem, S-90187 Umea, Sweden., 2010. Vol. 117, no 5, 2781-2789 p.
Keyword [en]
telomer, iniferter, living polymerization, methacrylate, thiol-terminated, grafting to
National Category
Polymer Chemistry
URN: urn:nbn:se:umu:diva-109741DOI: 10.1002/app.31826ISI: 000279996500034OAI: diva2:858996
Available from: 2015-10-05 Created: 2015-10-05 Last updated: 2015-10-05Bibliographically approved

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