使用硅油--水体系制备纳米氢氧化镁

材料研究学报

2009, Vol. 23

Issue (6): 663-667

研究论文

本期目录 | 过刊浏览

使用硅油--水体系制备纳米氢氧化镁

连肖南^1;2;3; 陈鸣才^1;2; 许凯^1;2

1.中国科学院广州化学研究所广州 510650
2.广东省电子有机聚合物材料重点实验室广州 510650
3.中国科学院研究生院北京 100049

Preparation of magnesium hydroxide nanoparticles in silicone oil/water mixture

LIAN Xiaonan^1;2;3 CHEN Mingcai^1;2XU Kai^1;2

1.Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650
2.Guangdong Key Laboratory of Electrical Organic Polymer Materials; Guangzhou 510650
3.Graduate School of Chinese Academy of Sciences; Beijing 100049

引用本文:

连肖南陈鸣才许凯. 使用硅油--水体系制备纳米氢氧化镁[J]. 材料研究学报, 2009, 23(6): 663-667.
, . Preparation of magnesium hydroxide nanoparticles in silicone oil/water mixture[J]. Chin J Mater Res, 2009, 23(6): 663-667.

全文: PDF(1020 KB)

摘要:

以硫酸镁和氢氧化钠为主要原料, 用化学沉淀法在硅油--水体系中制备氢氧化镁阻燃剂, 用X射线衍射(XRD)、透射电镜(TEM)、傅里叶变换红外光谱(FT--IR)和热重分析仪(TGA)对产物的形貌、粒径、晶型结构和热稳定性进行表征, 研究了反应时间、温度、搅拌速度、盐和碱溶液浓度、加料方式等因素对氢氧化镁形貌和分解温度的影响. 结果表明: 当反应时间为6 h、反应温度为60℃、搅拌速度为1500 r/min时, 制得质量和性能较好的纳米氢氧化镁.

关键词 ：无机非金属材料 , 氢氧化镁 , 硅油 , 形貌 , 热稳定性

Abstract：

Magnesium hydroxide nanoparticles as a flame retardant was prepared by chemical precipitation method with magnesium sulfate and sodium hydroxide as the main raw materials in silicone oil/water mixture, the obtained magnesium hydroxide was characterized in terms of morphology, particle size and crystal structure by transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT–IR) and X–ray power diffraction (XRD), and thermal stability by thermogravimetric analyses (TGA).The influence of reaction time, temperature, mixing rate, salt and base concentration and feed method etc. on the morphologies and decomposition temperatures of magnesium hydroxide was investigated. Results show when the reaction time was 6 h and the reaction temperature was 60℃, the mixing
rate was 1500 r/min, the quality and performances of the prepared magnesium hydroxide were better.

Key words： inorganic non--metallic materials magnesium hydroxide silicone oil morphology thermal stability

收稿日期: 2009-03-31

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