Thermal Decomposition and Flame Retardance Behavior of Nanometer Magnesium Oxychloride Crystal Salt Involved in SMC

Jian Li; Zhi Xiong Huang; Ying Zhao

doi:10.4028/www.scientific.net/AMR.66.163

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Thermal Decomposition and Flame Retardance Behavior of Nanometer Magnesium Oxychloride Crystal Salt Involved in SMC

Abstract:

A detailed study of thermal decomposition behavior of nanometer magnesium oxychloride crystal salt involved in sheet molding compound has been carried out using differential scanning calorimetry, thermogravimetry and X-ray diffraction. The decomposing temperature changed from 112°C at the initial stage to 559°C at the end of the process. The results indicated that the thermal decomposition was carried out in the following three steps: releasing crystal water, then HCl secondly and finally structural water, the residua was magnesia. Nanometer magnesium oxychloride crystal salt addictives was used as flame retardance in sheet molding compound.