Synthesis of magnesium oxysulfate whiskers in the presence of sodium dodecyl benzene sulfonate | Zendy

Sun X. T. | Zendy; Xiang L. | Zendy

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Synthesis of magnesium oxysulfate whiskers in the presence of sodium dodecyl benzene sulfonate

Author(s) -

Sun X. T.,

Xiang L.

Publication year - 2008

Publication title -

crystal research and technology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.377

H-Index - 64

eISSN - 1521-4079

pISSN - 0232-1300

DOI - 10.1002/crat.200711113

Subject(s) - whiskers , magnesium , chemistry , sulfonate , sodium , benzene , crystallization , dissolution , inorganic chemistry , sodium dodecyl sulfate , adsorption , hydrothermal synthesis , nuclear chemistry , hydrothermal circulation , chemical engineering , organic chemistry , materials science , composite material , engineering

Uniform magnesium oxysulfate (5Mg(OH) 2 ·MgSO 4 ·3H 2 O) whiskers with a length of 10‐15 µm and a diameter of 0.4‐1.0 µm were synthesized in the presence of sodium dodecyl benzene sulfonate (Na‐SO 3 ‐C 6 H 4 ‐C 12 H 25 ) at 200°C for 1 h, using MgSO 4 ·7H 2 O and NaOH as the reactants. Mg(OH) 2 precursor with poor crystallization and small crystal size was formed owing to the adsorption of sodium dodecyl benzene sulfonate on the Mg(OH) 2 surface. The quick dissolution of Mg(OH) 2 precursor in the subsequent hydrothermal reaction inhibited the occurrence of the sector‐like byproduct and promoted the formation of magnesium oxysulfate whiskers with uniform morphology. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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