Evidence for the formation of interlayer polyacrylonitrile in kaolinite

Y. Sugahara, S. Satokawa, K. Kuroda, C. Kato

研究成果: Article査読

84 被引用数 (Scopus)


A kaolinite-polymer intercalation complex was apparently formed for the first time by the polymerization of acrylonitrile between the kaolinite layers. A kaolinite-ammonium acetate intercalation complex was dispersed in acrylonitrile monomer. The monomer was apparently incorporated between the layers by displacing intercalated ammonium acetate. After the removal of excess monomer, the intercalation complex was heated to cause polymerization. The resulting kaolinite-polyacrylonitrile (PAN) intercalate showed a basal spacing of ~13-14 A. On heating the complex at 220°C for 1 hr in air, the spacing decreased slightly. The hydrogen bond between the hydroxyls of kaolinite and probably the C≡N group of PAN was not affected after heating at 220°C. Even after heating at 400°C, the layers expanded. Because the starting kaolinite-ammonium acetate intercalation complex decomposed at a much lower temperature, these observations strongly suggest the presence of PAN between the layers. -Authors

ジャーナルClays & Clay Minerals
出版ステータスPublished - 1988

ASJC Scopus subject areas

  • 水の科学と技術
  • 土壌科学
  • 地球化学および岩石学
  • 地球惑星科学(その他)


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