Pure, simple and green synthesis of magnesium oxysulphate whiskers through hydrothermal reaction

Li Ba; Min Jiang; Shanjun Gao; Ming Chen; Shuyi Yang

Pure, simple and green synthesis of magnesium oxysulphate whiskers through hydrothermal reaction

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Author(s): Li Ba¹ ; Min Jiang² ; Shanjun Gao¹ ; Ming Chen¹ ; Shuyi Yang¹
- Affiliations: 1: Department of Polymer Materials and Engineering , School of Material Science and Engineering, Wuhan University of Technology , No.122 Luoshi Road, Wuhan 430070 , People's Republic of China ;
  2: Department of Materials Engineering , College of Materials and Textile, Zhejiang Sci-Tech University , Hangzhou 310018 , People's Republic of China
Source: Volume 14, Issue 3, 06 March 2019, p. 245 – 248
DOI: 10.1049/mnl.2018.5128 , Online ISSN 1750-0443

Received 03/05/2018, Accepted 13/11/2018, Revised 30/10/2018, Published 06/03/2019

One-dimensional magnesium oxysulphate MgSO₄·5Mg(OH)₂·2H₂O (abbreviated as 152MOS) with a high aspect ratio was prepared through the hydrothermal reaction route without granular fragments observed in the final products. Those parameters such as molar ratio of MgSO₄·7H₂O to NaOH solution, reaction temperature, reaction time, and dropping order between MgSO₄·7H₂O and NaOH that can influence the morphology, purity, and structure of 152MOS whiskers were taken into consideration. The results indicated that the high purity 152MOS whisker with a length of 170–210 μm can be obtained at 200°C for 15 h in an oven when dropping NaOH into MgSO₄ with the molar ratio of 1:1.5. The product characteristics were investigated by X-ray diffraction, Fourier transform-infrared, thermogravimetry, and scanning electron microscopy.

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Pure, simple and green synthesis of magnesium oxysulphate whiskers through hydrothermal reaction

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