Preparation of copper hydroxide-vermiculite complex

Motoki Uehara, Atsushi Yamazaki, Eiichi Murata, Sadao Tsutsumi, Koichiro Takahashi

    Research output: Contribution to journalArticle

    Abstract

    A Copper hydroxide-vermiculite complex (CHVC), Cu 1.61(OH) 2.38(Si 2.95Al 1.05) (Mg 2.75Fe 0.22Ti 0.02)O 10(OH) 2· nH 2O, having a particle size in the range from 1 to 3 mm was prepared from a Zimbabwe vermiculite by hydrothermally treating at 250°C for 40h in copper nitrate solution. X-ray diffraction patterns of the products were characterized by d 001 reflection of 1.4 nm and their subsequent interger reflections. One-dimensional Fourier electron density analysis revealed that the interlayer structure of CHVC is similar to that of a natural chlorite. The thermal behavior of CHVC was characterized by high temperature X-ray diffractometry and TG-DTA technique. Copper hydroxide in the interlayer was dehydroxyrated in the temperature range from ca. 300 to 700°C. By heating at higher temperature, copper oxide deposited on the sur-face of the silicate layer.

    Original languageEnglish
    Pages (from-to)588-592
    Number of pages5
    JournalNippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan
    Volume108
    Issue number6
    Publication statusPublished - 2000

    Fingerprint

    vermiculite
    hydroxides
    Copper
    copper
    preparation
    interlayers
    Silicates
    Copper oxides
    Zimbabwe
    Nitrates
    Temperature
    Differential thermal analysis
    X ray diffraction analysis
    Diffraction patterns
    Carrier concentration
    copper oxides
    Particle size
    nitrates
    silicates
    thermal analysis

    Keywords

    • Clay-inorganic complex
    • Copper hydroxide
    • Hydrothermal treatment
    • Intercalation
    • Vermiculite

    ASJC Scopus subject areas

    • Ceramics and Composites

    Cite this

    Preparation of copper hydroxide-vermiculite complex. / Uehara, Motoki; Yamazaki, Atsushi; Murata, Eiichi; Tsutsumi, Sadao; Takahashi, Koichiro.

    In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan, Vol. 108, No. 6, 2000, p. 588-592.

    Research output: Contribution to journalArticle

    Uehara, Motoki ; Yamazaki, Atsushi ; Murata, Eiichi ; Tsutsumi, Sadao ; Takahashi, Koichiro. / Preparation of copper hydroxide-vermiculite complex. In: Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan. 2000 ; Vol. 108, No. 6. pp. 588-592.
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    abstract = "A Copper hydroxide-vermiculite complex (CHVC), Cu 1.61(OH) 2.38(Si 2.95Al 1.05) (Mg 2.75Fe 0.22Ti 0.02)O 10(OH) 2· nH 2O, having a particle size in the range from 1 to 3 mm was prepared from a Zimbabwe vermiculite by hydrothermally treating at 250°C for 40h in copper nitrate solution. X-ray diffraction patterns of the products were characterized by d 001 reflection of 1.4 nm and their subsequent interger reflections. One-dimensional Fourier electron density analysis revealed that the interlayer structure of CHVC is similar to that of a natural chlorite. The thermal behavior of CHVC was characterized by high temperature X-ray diffractometry and TG-DTA technique. Copper hydroxide in the interlayer was dehydroxyrated in the temperature range from ca. 300 to 700°C. By heating at higher temperature, copper oxide deposited on the sur-face of the silicate layer.",
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    AU - Yamazaki, Atsushi

    AU - Murata, Eiichi

    AU - Tsutsumi, Sadao

    AU - Takahashi, Koichiro

    PY - 2000

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    KW - Intercalation

    KW - Vermiculite

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