水热法合成高分散易过滤高阻燃氢氧化镁

Abstract

Abstract: Flame retardent magnesium hydroxide with high dispersion，high flame retardancy，and high purity was synthesized by hydrothermal process with MgCl₂·6H₂O and NaOH as raw materials，with sodium dodecyl sulfate as dispersing agent，and ethanol as crystal control agent（to improve the product′s crystallization behavior）.The particle size distribution and morphology of the prepared magnesium hydroxide were characterized by laser particle analyzer，X-ray diffraction and scanning electron microscope（SEM）.Results indicated that feeding mode，hydrothermal time，and hydrothermal temperature all had great impact on particle size and on crystal growth direction of the product.

Key words: magnesium hydroxide, flame retardant, hydrothermal reaction, particle size distribution

CLC Number:

TQ132.2

SUN Yu, GAO 恩Shuang, PAN Xu-Jie, ZONG Jun. Hydrothermal preparation of magnesium hydroxide with high dispersion, high purity，and high flame retardancy[J]. INORGANICCHEMICALSINDUSTRY, 2013, 45(4): 29-.

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National Inorganic Salts Information Center

Inorganic Acid-Base-Salt Committee of CIESC

Hydrothermal preparation of magnesium hydroxide with high dispersion, high purity，and high flame retardancy

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