Article (Scientific journals)
Determination of polyisoprene-block-poly(methyl methacrylate) domain sizes using 1H spin diffusion
Werkhoven, Thekla M; Mulder, Fokko M; Zune, Catherine et al.
2003In Macromolecular Chemistry and Physics, 204 (1), p. 46-51
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Keywords :
nanostructured material; self-assembly in bulk; block copolymer
Abstract :
[en] The microphase structure of polyisoprene-block-poly(methyl methacrylate) diblock copolymers was studied using solid-state NMR techniques. Wideline separation spectroscopy reveals a narrow interphase between the two polymers. The domain sizes of a lamellar sample and a sample with hexagonally ordered cylinders were determined using 1H spin diffusion. The lamellar sample shows a domain size of 16 ± 2 nm for the minor polyisoprene phase and a long period of 33 ± 4 nm. The cylindrical structure has a long period of 38 ± 7 nm, the diameter of the PMMA cylinders is 21 ± 4 nm. These results are about 20% below the estimates obtained from theoretical calculations according to Helfand and Wasserman
Research center :
Center for Education and Research on Macromolecules (CERM)
Disciplines :
Materials science & engineering
Chemistry
Author, co-author :
Werkhoven, Thekla M;  Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden, The Netherlands
Mulder, Fokko M;  Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden, The Netherlands
Zune, Catherine;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
Jérôme, Robert ;  Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)
de Groot, Huub JM;  Leiden Institute of Chemistry, Gorlaeus Laboratories, Leiden, The Netherlands
Language :
English
Title :
Determination of polyisoprene-block-poly(methyl methacrylate) domain sizes using 1H spin diffusion
Publication date :
30 January 2003
Journal title :
Macromolecular Chemistry and Physics
ISSN :
1022-1352
eISSN :
1521-3935
Publisher :
Wiley-V C H Verlag Gmbh, Weinheim, Germany
Volume :
204
Issue :
1
Pages :
46-51
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
The "Nederlandse Organisatie voor Wetenschappelijk Onderzoek" (NWO)
The "Stichting voor de Technische Wetenschappen" (STW)
Available on ORBi :
since 17 March 2009

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