摘要
本文以碱式硫酸镁晶须和氢氧化钠为原料,研究了水热合成法制备氢氧化镁晶须的合理工艺条件。结果表明:当碱式硫酸镁晶须料浆浓度(质量分数)为4.0%,搅拌强度为100r/min,反应温度为180℃,反应时间为4h时,可合成直径≤0.5μm、长径比≥15、表面光滑、纤细均匀、高纯度的氢氧化镁晶须。
Taking basic magnesium sulphate whiskers and sodium hydroxide as raw materials, the proper process parameters are experimentally investigated for magnesium hydroxide whiskers preparation by hydrothermal synthesization. The experimental results show that, satisfactory product of magnesium hydroxide whiskers can be obtained under the condition of 4.0 % initial concentration of basic magnesium sulphate whisker, 100r/ min stirring intensity, 180℃ reaction temperature, and 4h reaction time. The whisker product of magnesium hydroxide is of less then 0.5μm in diameter and greater than or equal to 15 in slenderness ratio. The whiskers are characterized with smooth surface, straight morphology, small diameter and high purity.
出处
《矿冶》
CAS
2006年第2期44-47,共4页
Mining And Metallurgy
基金
国家自然科学基金(50402013)
教育部新世纪优秀人才支持计划(NCET-05-0291)
关键词
碱式硫酸镁晶须
水热法
氢氧化镁晶须
basic magnesium sulphate whiskers
hydrothermal synthesis
magnesium hydroxide whiskers
