Hydrothermal synthesis of hydroxyapatite from octacalcium phosphate : effect of hydrothermal temperature(<Feature>Aqueous Solution Science for Ceramic Processing II)
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概要
- 論文の詳細を見る
Hydroxyapatite (HA) was synthesized by the hydrothermal treatment of octacalcium phosphate (OCP). Powder of OCP was hydrothermally treated with distilled water at 120-240℃ for 3-24h. Only diffraction lines assigned to HA were detected by X-ray diffraction (XRD) even after the treatment at 120℃ for 3h. The crystallinity of the formed HA increased with increasing the treatment temperature and period. Plate-shaped particles were split into small strip-shaped particles by the hydrothermal treatment and this phenomenon was obvious when the treatment temperature was high and the period was long. However, the plate-shape morphology was remained when OCP was transformed to HA at 120℃ for 3h. The hydrothermal treatment of OCP is useful to synthesize the plate-shaped HA particles in a short period.
- 社団法人日本セラミックス協会の論文
- 2009-03-01
著者
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KAMITAKAHARA Masanobu
Graduate School of Environmental Studies, Tohoku University
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Kamitakahara Masanobu
Graduate School Of Environmental Studies Tohoku Univ.
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Ito Natsuko
Graduate School of Environmental Studies, Tohoku University
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Murakami Setsuaki
Graduate School of Environmental Studies, Tohoku University
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WATANABE Noriaki
Graduate School of Environmental Studies, Tohoku University
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IOKU Koji
Graduate School of Environmental Studies, Tohoku University
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Ioku Koji
Graduate School Of Environmental Studies Tohoku Univ.
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MURAKAMI Setsuaki
National Institute of Advanced Industrial Science and Technology
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Watanabe Noriaki
Graduate School Of Environmental Studies Tohoku University
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