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Fabrication of colored CaCO3 compacts by hydrothermal hot-pressing method

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Material Research Innovations

Abstract

 Hydrothermal hot-pressing (HHP) technique was used to solidify shell powder dyed. Shell powder was mixed with dye with a ratio of 0.25 wt%, and was treated by HHP at 130 to 170° C, 45 MPa for 2 hours. It is showed that the powder can be dyed well by some basic dyes at 60° C, and can maintain the color of dyes after HHP process. The resulting compactness with a beautiful color appearance has high hardness and apparent density. Possible mechanisms for solidification and coloration were also discussed.

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Authors and Affiliations

  1. Research Laboratory of Hydrothermal Chemistry, Faculty of Science, Kochi University 2-5-1 Akebono-cho, Kochi-shi, 780 Japan, , , , , , JP

    N. Yamasaki & S. Shimomto

  2. North-west Institute of Light Industry, Xianyang, Shannxi, P.R. China, , , , , , CN

    L. Fei

  3. Structure Research Laboratory, University of Science and Technology of China, Hefei, P.R. China, , , , , , CN

    Qianwang Chen

Authors
  1. N. Yamasaki
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  2. L. Fei
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  3. S. Shimomto
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  4. Qianwang Chen
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Additional information

Received: 9 December 1997 / Accepted: 13 December 1997

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Yamasaki, N., Fei, L., Shimomto, S. et al. Fabrication of colored CaCO3 compacts by hydrothermal hot-pressing method. Mat Res Innovat 2, 45–48 (1998). https://doi.org/10.1007/s100190050060

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  • DOI: https://doi.org/10.1007/s100190050060

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