中华医学超声杂志

应用化学 ›› 1993, Vol. 0 ›› Issue (2): 17-19.

• 研究论文 • 上一篇    下一篇

非碱性介质中全硅分子筛的合成与表征

赵大庆1, 张建国1, 吴亦洁1, 裴奉奎1, 裘式纶2, 庞文琴2   

  1. 1. 中国科学院长春应用化学研究所 130022 长春;
    2. 吉林大学化学系 长春
  • 收稿日期:1992-01-29 修回日期:1992-05-19 出版日期:1993-04-10 发布日期:1993-04-10

SYNTHESIS AND CHARACTERIZATION OF SILICA ZEOLITES FROM NONALKALINE MEDIA

Zhao Daqing1, Zhang Jianguo1, Wu Yijie1, Pei Fengkui1, Qiu Shilun2, Pang Wenqin2   

  1. 1. Changchun Institute of Applied Chemistry, Chinese, Academy of Sciences, 130022 Changchun;
    2. Department of Chemistry, Jilin University, Changchun
  • Received:1992-01-29 Revised:1992-05-19 Published:1993-04-10 Online:1993-04-10

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摘要： 在非碱性介质中,F-离子存在下,采用水热方法研究了全硅分子筛的合成。以三丙胺、胆碱、三亚乙基二胺和哌嗪为模板剂,合成出具有MFI结构(ZSM-5型)的全硅分子筛。全硅Theta-1和ZSM-39的模板剂分别为1,6-已二胺和四甲基溴化铵。29Si MAS NMR研究结果表明,该体系得到的全硅分子筛具有结晶度高和缺陷少的特点。

关键词: 全硅分子筛, 合成, 表征

Abstract: Hydrothermal crystallization of silica zeolite from nonalkaline media containing F- anions has been investigated. The MFI type (ZSM-5) silica zeolites were obtained with tripropylamine,choline, 1,4-diazabicyclo[2,2,2]octane or piperazine as template. Silica Theta-1 and ZSM-39 were prepared using 1,6-diaminohexane and tetramethylamminum cation as template, respectively. Highly resolved 29Si MAS NMR spectra of silica zeolites from nonalkaline media reveal new feature of the materials, which are indicative of the very low defect content and very high crystallinity.

Key words: silica zeolite, synthesis, characterization

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