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Issue 12, 2001
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Synthesis of a kaolinite–poly(β-alanine) intercalation compound

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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.

Graphical abstract: Synthesis of a kaolinite–poly(β-alanine) intercalation compound

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Publication details

The article was received on 22 Jan 2001, accepted on 14 Aug 2001 and first published on 09 Oct 2001


Article type: Paper
DOI: 10.1039/B100746G
Citation: J. Mater. Chem., 2001,11, 3291-3295
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    Synthesis of a kaolinite–poly(β-alanine) intercalation compound

    T. Itagaki, Y. Komori, Y. Sugahara and K. Kuroda, J. Mater. Chem., 2001, 11, 3291
    DOI: 10.1039/B100746G

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