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Hydrothermal Synthesis of Tobermorite Fibers Through Calcium Chelated Complex

HUANG Xiang, JIANG Dongliang, TAN Shouhong

（Shanghai Insitute of Ceramics‚Chinese Academy of Sciences）

Abstract: A novel method for synthesizing tobermorite fibers has been developed．Tobermorite fibers can be synthesized successfully by the hydrothermal reaction at200℃ for5hours using a Ca （Ⅱ）－EDTA complex precursor．Tobermorite fibers obtained in the present work were40－60μm in length and0.1－1μm in diameter．The properties of tobermorite fibers were characterized by XRD‚SEM techniques．And the formation mechanism was proposed．

Key words: Tobermorite fibers‚calcium chelated complex‚hydrothermal


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