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[1]张 权,董广峰,马鸣杨,等.碱式氯化镁晶须的制备及其生长机理研究[J].武汉工程大学学报,2023,45(03):256-261.[doi:10.19843/j.cnki.CN42-1779/TQ.202210013]
 ZHANG Quan,DONG Guangfeng,MA Mingyang,et al.Preparation of Basic Magnesium Chloride Whiskers andTheir Growth Mechanism[J].Journal of Wuhan Institute of Technology,2023,45(03):256-261.[doi:10.19843/j.cnki.CN42-1779/TQ.202210013]
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碱式氯化镁晶须的制备及其生长机理研究(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
45
期数:
2023年03期
页码:
256-261
栏目:
化学与化学工程
出版日期:
2023-06-30

文章信息/Info

Title:
Preparation of Basic Magnesium Chloride Whiskers and
Their Growth Mechanism
文章编号:
1674 - 2869(2023)03 - 0256 - 06
作者:
张 权1董广峰2马鸣杨1李敬芳2马松亮2热沙来提·司马义2刘忠建2
1. 武汉工程大学化工与制药学院,湖北 武汉 430205;
2. 国投新疆罗布泊钾盐有限责任公司,新疆 哈密 839000
Author(s):
ZHANG Quan1 DONG Guangfeng2 MA Mingyang1 LI Jingfang2 MA Songliang2
1. School of Chemical Engineering & Pharmacy, Wuhan Institute of Technology,Wuhan 430205, China;
2. State Development Investment Corporation Xinjiang Luobupo Potash Co.,?Ltd,Hami 839000,China
关键词:
六水氯化镁氨水碱式氯化镁晶须生长机理
Keywords:
magnesium chloride hexahydrate aqueous ammonia basic magnesium chloride whiskers growth mechanism
分类号:
TQ132
DOI:
10.19843/j.cnki.CN42-1779/TQ.202210013
文献标志码:
A
摘要:
以六水氯化镁和氨水为原料,醇水溶液为溶剂,通过沉淀法制备碱式氯化镁晶须。采用X射线衍射、扫描电子显微镜、透射电子显微镜、拉曼光谱等手段对晶须结构进行表征,并探究其生长机理。结果表明:不同溶剂所制备的碱式氯化镁晶须化学式均为2Mg(OH)2·Mg(OH)Cl·4H2O。碱式氯化镁晶须的形成机制符合负离子配位多面体生长基元理论,晶须是沿着(201)晶面生长,乙醇或乙二醇的加入都能使晶须沿着一维方向生长且表面更光滑。当采用质量分数为20%乙二醇时所制备晶须的长径比为95,且具有更好的分散性和尺度均一性。
Abstract:
Using magnesium chloride hexahydrate and aqueous ammonia as raw materials, mixtures of alcohol and water at different mass fractions as solvents, basic magnesium chloride whiskers were prepared through a precipitation method. The structure of the whiskers was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, Raman spectroscopy and other methods, and its growth mechanism was investigated. The results indicated that the chemical formula of the basic magnesium chloride whiskers prepared using different solvents is 2Mg(OH)2·Mg(OH)Cl·4H2O. The formation mechanism of basic magnesium chloride whiskers conforms to the anion coordination polyhedral growth primitive theory, and the whiskers are grown along the (201) crystal plane, while the addition of solvents, such as ethanol or ethylene glycol, can make the whiskers grow in a one-dimensional direction with a smoother surface. The whiskers have a length-to-diameter ratio of 95, and better dispersion and scale uniformity when a mass fraction of 20% ethylene glycol is used.

参考文献/References:


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备注/Memo

备注/Memo:
收稿日期:2022-11-18
基金项目:武汉工程大学第十二届研究生教育创新基金(CX2021036)
作者简介:张 权,硕士研究生 。E-mail:[email protected]
*通讯作者:李 旋,硕士,实验师。 E-mail:[email protected]
引文格式:张权,董广峰,马鸣杨,等. 碱式氯化镁晶须的制备及其生长机理研究[J]. 武汉工程大学学报,2023,45(3):256-261.
更新日期/Last Update: 2023-07-03