Preparation of a kaolinite-nylon 6 intercalation compound

A. Matsumura, Y. Komori, T. Itagaki, Y. Sugahara, K. Kuroda*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)


A kaolinite-nylon 6 intercalation compound was prepared by the polymerization of 6-aminohexanoic acid (AHA) in the interlayer space of kaolinite. The intercalation of AHA was achieved by a guest displacement reaction using a kaolinite-methanol intercalation compound as an intermediate. After AHA dissolved in a mixed solvent of methanol and water (1:3) was added to a kaolinite-methanol intercalation compound, the mixture was stirred for 3 h. The basal spacing of the product increased to 1.23 nm, indicating the intercalation of AHA molecules with a monolayer arrangement between the layers of kaolinite. AHA was polymerized by a heat treatment at 250°C for 1 h under a nitrogen flow. Although the basal spacing of the heat-treated product slightly decreased to 1.16 nm, the spacing was larger than those of kaolinite and the kaolinite-methanol intermediate. The formation of a kaolinite-nylon 6 intercalation compound was confirmed by the appearance of IR bands due to amide I (1637 cm-1) and amide II (1550 cm-1).

Original languageEnglish
Pages (from-to)1153-1158
Number of pages6
JournalBulletin of the Chemical Society of Japan
Issue number6
Publication statusPublished - 2001 Jun

ASJC Scopus subject areas

  • Chemistry(all)


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