首页 | 官方网站   微博 | 高级检索  
     

液相沉淀法制备超疏水纳米白炭黑
引用本文:邬敦伟,赵贵哲,刘朝宝,张凯,王玉龙,张秋,胡国胜.液相沉淀法制备超疏水纳米白炭黑[J].山西化工,2011,31(2):26-28,55.
作者姓名:邬敦伟  赵贵哲  刘朝宝  张凯  王玉龙  张秋  胡国胜
作者单位:1. 中北大学高分子与生物工程研究所,山西,太原,030051;山西同德化工股份有限公司,山西,河曲,036500
2. 中北大学高分子与生物工程研究所,山西,太原,030051
摘    要:以水玻璃为原料,采用硫酸制备纳米白炭黑,并利用硅烷偶联剂S i-75对纳米白炭黑进行疏水改性。通过X射线衍射、透射电镜、红外光谱和热重分析对纳米白炭黑进行表征。粉末X射线衍射(XRD)分析结果显示,纳米白炭黑为非晶态二氧化硅;通过透射电镜(TEM)分析可知,改性后的纳米白炭黑分散性更好,团聚降低,白炭黑一次粒径在20 nm-40 nm,粒子之间相互连接形成链枝结构附聚体;红外光谱(FT-IR)和热重分析(TG)显示,硅烷偶联剂S i-75成功地接枝到纳米白炭黑。活化指数(99.6%)的测定表明,合成的纳米白炭黑具有超疏水性。

关 键 词:白炭黑  液相沉淀法  超疏水  活化指数  Si-75

Preparation of super-hydrophobic nano-silica via liquid precipitation
WU Dun-wei,ZHAO Gui-zhe,LIU Chao-bao,ZHANG Kai,WANG Yu-long,ZHANG Qiu,HU Guo-sheng.Preparation of super-hydrophobic nano-silica via liquid precipitation[J].Shanxi Chemical Industry,2011,31(2):26-28,55.
Authors:WU Dun-wei  ZHAO Gui-zhe  LIU Chao-bao  ZHANG Kai  WANG Yu-long  ZHANG Qiu  HU Guo-sheng
Affiliation:WU Dun-wei1,2,ZHAO Gui-zhe1,LIU Chao-bao1,ZHANG Kai1,WANG Yu-long1,ZHANG Qiu,HU Guo-sheng1(1.Institute of Macromolecules & Bioengineering,North University of China,Taiyuan Shanxi 030051,China,2.Shanxi Tongde Chemical Co.,Ltd.,Hequ Shanxi 036500,China)
Abstract:In this paper,the nano-silica was produced by using sulfuric acid from water-glass as raw materials and the nano-silica was hydrophobicly modified with silane coupling agent(Si-75).The silica particles were characterized with X-ray diffraction(XRD) transmission electron microscopy(TEM),fourier transform infrared analysis(FT-IR) and thermogravimetric analysis.The analysis result of powder X-ray diffraction(XRD) reveals that the nano-sicila was amorphous;TEM showed that the modified nano-silica had better sca...
Keywords:silica  liquid precipitation  superhydrophobic  activation index  Si-75  
本文献已被 CNKI 维普 万方数据 等数据库收录!
设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司    京ICP备09084417号-23

京公网安备 11010802026262号