Journal of Materials Science

, Volume 42, Issue 8, pp 2837–2843 | Cite as

Silylation of layered zirconium hydroxy phosphate and its porous properties

  • Takahiro TakeiEmail author
  • Yoshinori Yonesaki
  • Nobuhiro Kumada
  • Nobukazu Kinomura


Silylation of layered zirconium hydroxy phosphate was carried out and its porous properties were examined. The novel layered hydroxy phosphate was protonated and intercalated by using octylamine to expand the interlayer space. Then, dimethyldichlorosilane, dichloromethylvinylsilane or 1,2-bisdimethylchlorosilylethane were used to silylate the interlayer space. In order to form micropores between layers, the silylated compounds were heated at the range from 100 °C to 1,000 °C to measure high-temperature XRD patterns. During heating, the interlayer spacing decreased at around 300 and 600–700 °C. The specific surface area reached around 180 m2/g as maximum area at 300 °C, while layered structure collapsed gradually above 400 °C. Micropore volume also became maximum at 300 °C.


Interlayer Spacing Metal Phosphate Octylamine Inorganic Layer Zirconium Oxychloride 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Takahiro Takei
    • 1
  • Yoshinori Yonesaki
    • 1
  • Nobuhiro Kumada
    • 1
  • Nobukazu Kinomura
    • 1
  1. 1.Center for Crystal Science and Technology, Faculty of EngineeringUniversity of YamanashiYamanashiJapan

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