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URN: urn:nbn:de:kobv:517-opus-17221
URL: http://opus.kobv.de/ubp/volltexte/2008/1722/
Laschewsky, André
Oligoethyleneoxide spacer groups in polymerizable surfactants
Kurzfassung in Englisch
Cationic and zwitterionic polymerizable surfactants bearing tri- and tetraethyleneglycol spacer groups between the polymerizable moiety and the surfactant structure were prepared and polymerized. Monomers and polymers were investigated with respect to their aggregation behavior in aqueous systems and compared to analogous monomers and polymers lacking spacer groups. In the case of the monomeric surfactants, the spacer groups depress both the Kraffttemperature and the critical micelle concentration. the area occupied per molecule at the air-water interface is substantially enlarged by the spacers, whereas the depression of surface tension is nearly constant. Although the monomers with and without spacers are true surfactants, all the polymers are water-insoluble, but form monomolecular layers at the air-water interface. In analogy to the monomer behavior, the incorporation of the spacer groups increases the area occupied per repeat unit at the air-water interface substantially, but hardly affects the surface activity.
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Freie Schlagwörter (Englisch): |
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Polymerizable surfactant , polysoap , sulfobetain , spacer , micelle , monolayer |
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Institut: |
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Institut für Chemie |
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DDC-Sachgruppe: |
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Chemie |
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Dokumentart: |
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c Postprint |
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Schriftenreihe: |
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Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe, ISSN 1866-8372 |
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Bandnummer: |
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paper 059 |
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Quelle: |
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Colloid & Polymer Science. - 269 (1991), 8, p. 785 - 794. - ISSN 0303-402X (print) 1435-1536 (online) |
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Sprache: |
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Englisch |
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Erstellungsjahr: |
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1991 |
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Publikationsdatum: |
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11.04.2008 |
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Bemerkung: |
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first published in: Colloid & Polymer Science - 269 (1991), 8, p. 785 - 794
ISSN: 1520-5126 doi:10.1007/BF00657445
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Lizenz: |
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Diese Nutzungsbedingung gilt nicht, wenn in den Metadaten eine modifizierende Lizenz genannt ist.
Keine Nutzungslizenz vergeben - es gilt das deutsche Urheberrecht
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