一维氢氧化镁材料的制备研究
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摘要
以氯化镁和氨水为原料,实验室自制了条带状碱式氯化镁作为一维氢氧化镁材料的前驱体。在乙醇溶液中,以氢氧化钠为转化剂,将前驱体转化为氢氧化镁。采用扫描电子显微镜及X射线衍射光谱对产品的结构及微观形貌进行表征,对比研究了静置转化、水浴搅拌转化、水热转化3种转化方式对产品的影响。结果表明,采用水热转化法制备的氢氧化镁材料,具有良好的一维形貌,尺寸均匀,长径比大,材料表面极性小,且反应耗时短,更利于工业化生产。
Taking magnesium chloride and ammonia as raw materials,the self-fabricated basic magnesium chloride was used as the precursor,and sodium hydroxide was used as the conversion agent in the ethanol solution to prepared one-dimensional magnesium hydroxide.The structure and morphology of the products were characterized by SEM and XRD.And studied the effects of three prepared modes,static transformation,water bath agitation transformation and hydrothermal transformation.The results show that the magnesium hydroxide material prepared by hydrothermal transformation has good one-dimensional morphology,uniform size,large length-diameter ratio and small surface polarity.And the reaction time is short,more conducive to industrial production.
Taking magnesium chloride and ammonia as raw materials,the self-fabricated basic magnesium chloride was used as the precursor,and sodium hydroxide was used as the conversion agent in the ethanol solution to prepared one-dimensional magnesium hydroxide.The structure and morphology of the products were characterized by SEM and XRD.And studied the effects of three prepared modes,static transformation,water bath agitation transformation and hydrothermal transformation.The results show that the magnesium hydroxide material prepared by hydrothermal transformation has good one-dimensional morphology,uniform size,large length-diameter ratio and small surface polarity.And the reaction time is short,more conducive to industrial production.
引文
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[23]俞振海,卢晗锋,王春来,等.高填充量下氢氧化镁粒子尺寸对其填充聚丙烯材料性能影响[J].高校化学工程学报,2010,24(5):881-886.
[2]杨华明,周灿伟,李云龙,等.氢氧化镁阻燃剂的现状和发展[J].中国非金属矿工业导刊,2004(5):81-84.
[3]贾修伟.纳米阻燃材料[M].北京:化学工业出版社,2005.
[4]孙永明,刘建兰,俞斌.新型无机阻燃剂---氢氧化镁[J].化工时刊,2004,18(6):27-28.
[5]姜玉芝,韩跃新,印万忠.氢氧化镁晶须制备研究[J].矿冶,2006,15(2):44-47.
[6]Wu J,Yan H,Zhang X,et al.Magnesium hydroxide nanoparticles synthesized in water-in-oil microemulsions[J].Journal of Colloid&Interface Science,2008,324(1/2):167-171.
[7]韩跃新,陈旭,印万忠.碱式硫酸镁晶须填充聚丙烯的研究[J].有色矿冶,2007,23(5):42-45.
[8]周卫平,买买提江.氢氧化镁阻燃剂的制备技术[J].无机盐工业,1997(4):25-27.
[9]刘兆平,杨永会,攀唯馏,等.特殊形貌的氢氧化镁阻燃剂的研制[J].化学世界,2002,367(11):612-614.
[10]Lv J,Qiu L,Qu B.Controlled growth of three morphological structures of magnesium hydroxide nanoparticles by wet precipitation method[J].Journal of Crystal Growth,2004,267(3/4):676-684.
[11]李振兴,陈建铭,宋云华.棒状氢氧化镁的合成[J].无机化学学报,2010,26(1):8-12.
[12]张波,李丽娟,聂峰,等.以碱式氯化镁为前驱体制备棒状氢氧化镁阻燃剂[J].盐湖研究,2010,18(2):37-40.
[13]Dhaouadi H,Chaabane H,Touati F.Mg(OH)2Nanorods synthesized by a facile hydrothermal method in the presence of CTAB[J].Nano-Micro Letters,2011,3(3):153-159.
[14]Hao L,Zhu C,Mo X,et al.Preparation and characterization of Mg(OH)2nanorods by liquid-solid arc discharge technique[J].Inorganic Chemistry Communications,2003,6(3):229-232.
[15]邹积琴,王宝和.氢氧化镁一维纳米材料的制备技术研究进展[J].河南化工,2008,25(3):11-13.
[16]Ding Y,Zhang G,Wu H,et al.Nanoscale magnesium hydroxide and magnesium oxide powders:control over size,shape,and structure via hydrothermal synthesis[J].Chemistry of Materials,2001,13(2):435-440.
[17]吴健松,李财花,李海民.有机溶剂-水热法制备阻燃球形氢氧化镁[J].无机盐工业,2006,38(3):40-42.
[18]Yang Z,Cingarapu S,Klabunde K J.Synthesis of magnesium oxychloride nanorods with controllable morphology and their transformation to magnesium hydroxide nanorods via treatment with sodium hydroxide[J].Journal of Sol-Gel Science and Technology,2010,53(2):359-365.
[19]王伟宁,吕秉玲.针状氢氧化镁的研制及其结晶性能研究[J].广州化工,1990(4):20-23.
[20]张波,李丽娟,聂峰,等.以碱式氯化镁为前驱体制备棒状氢氧化镁阻燃剂[J].盐湖研究,2010(2):37-40.
[21]王聪卓.醇溶液中纤维状活性氢氧化镁的制备工艺研究[D].石河子:石河子大学,2014.
[22]吴会军,向兰,金永成,等.高分散氢氧化镁粉体的制备及其影响因素[J].无机材料学报,2004,19(5):1181-1185.
[23]俞振海,卢晗锋,王春来,等.高填充量下氢氧化镁粒子尺寸对其填充聚丙烯材料性能影响[J].高校化学工程学报,2010,24(5):881-886.