Synthesis of a kaolinite-poly(β-alanine) intercalation compound

T. Itagaki, Y. Komori, Yoshiyuki Sugahara, Kazuyuki Kuroda

    Research output: Contribution to journalArticle

    52 Citations (Scopus)

    Abstract

    A kaolinite-poly(β-alanine) intercalation compound (kaolinite/poly(β-alanine)) was synthesized by in-situ polycondensation of preintercalated β-alanine, which is an initial step toward the extension of the variety of host materials for polymer-clay nanocomposites. β-Alanine was intercalated into kaolinite by a displacement method using kaolinite/ammonium acetate as the intermediate. Zwitterionic β-alanine was ordered in a monolayer arrangement between the layers, which was confirmed by powder XRD, IR and NMR. Although β-alanine was mostly polymerized by thermal treatment of kaolinite/β-alanine at 250°C for 10 h under an N2 atmosphere, a part of the guest species was decomposed. Kaolinite/poly(β-alanine) had a higher thermal stability than bulk poly(β-alanine), as evidenced by TG-DTA.

    Original languageEnglish
    Pages (from-to)3291-3295
    Number of pages5
    JournalJournal of Materials Chemistry
    Volume11
    Issue number12
    DOIs
    Publication statusPublished - 2001

    Fingerprint

    Kaolin
    Intercalation compounds
    kaolinite
    Kaolinite
    alanine
    intercalation
    Alanine
    synthesis
    Polycondensation
    Differential thermal analysis
    Monolayers
    Nanocomposites
    Clay
    Thermodynamic stability
    Heat treatment
    Nuclear magnetic resonance
    Powders
    clays
    acetates
    nanocomposites

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Materials Chemistry
    • Materials Science(all)

    Cite this

    Synthesis of a kaolinite-poly(β-alanine) intercalation compound. / Itagaki, T.; Komori, Y.; Sugahara, Yoshiyuki; Kuroda, Kazuyuki.

    In: Journal of Materials Chemistry, Vol. 11, No. 12, 2001, p. 3291-3295.

    Research output: Contribution to journalArticle

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