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Hydrothermal Synthesis of Magnesium Hydroxide Sulfate Hydrate Whisker Flame Retardant

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Abstract:

Magnesium Hydroxide Sulfate Hydrate (MgSO4•5Mg(OH)2•3H2O, MHSH) whiskers were synthesized via the hydrothermal method in a mixed solution of magnesium sulfate (MS) and NH3•H2O . X-ray powder diffraction (XRD) investigations showed that the phase composition changed from Mg(OH)2 to MHSH as the volume ratio of MS / NH3•H2O increasing gradually. Accordingly, SEM images showed that the morphological structures changed from granule dominant to whisker dominant. The morphology of the samples changed from lathy to whisker gradually as the reaction time increasing under the same volume ratio of MS / NH3•H2O and reaction temperature of 180 °C.

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Periodical:

Applied Mechanics and Materials (Volumes 174-177)

Pages:

1034-1037

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.174-177.1034

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Online since:

May 2012

Authors:

Jun Ji Zhang, Bin Wu, Shuang Tao, Xiao Man Yuan, Qiong Zhang, Hong Gao

Keywords:

Hydrothermal, Magnesite, Magnesium Hydroxide Sulfate, Whisker

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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