Screening effect on nanostructure of charged gel

M Sugiyama, M Annaka, M Hino, T Fukonaga, Martin Etchells Vigild, K Hara

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Charge screening effects on nanostructures of N-isopropylacrylamide-sodium acrylate (NIPA-SA) and -acrylic acid (NIPA-AAc) gels are investigated with small-angle neutron scattering. The NIPA-SA and NIPA-AAc gels with low water content exhibit microphase separations with different dimensions. The dehydrated NIPA-SA gel also makes the microphase separation but the dehydrated NIPA-AAc gel does not. These results indicate that ionic circumstance around charged bases strongly affects the nanostructures both of the dehydrated gel and the gel with low water content. (C) 2004 Elsevier B. V. All rights reserved.
Original languageEnglish
JournalPhysica B: Condensed Matter
Volume350
Issue number1-3
Pages (from-to)967-970
ISSN0921-4526
DOIs
Publication statusPublished - 2004

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