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Volume 14 Issue 4
Aug.  2007
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Shuling Shen, Wei Wu, Kai Guo,  and Jianfeng Chen, Low-cost preparation of mesoporous silica with high pore volume, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 369-372. https://doi.org/10.1016/S1005-8850(07)60073-5
Cite this article as:
Shuling Shen, Wei Wu, Kai Guo,  and Jianfeng Chen, Low-cost preparation of mesoporous silica with high pore volume, J. Univ. Sci. Technol. Beijing, 14(2007), No. 4, pp. 369-372. https://doi.org/10.1016/S1005-8850(07)60073-5
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Materials

Low-cost preparation of mesoporous silica with high pore volume

  • 通讯作者:

    Wei Wu    E-mail: wuwei@mail.buct.end.cn

  • Mesoporous silica materials with high pore volume were successfully prepared by the chemical precipitation method, with water glass and a biodegradable nonionic surfactant polyethylene glycol (PEG). The obtained materials were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermo gravimetric analyzer and differential scanning calorimetry (TG-DSC), nitrogen adsorption-desorption measurements, and X-ray diffraction (XRD). The results showed that the changes of the pore parameters depended on both the surfactant content and heat treatment temperature. When the content of PEG was 10wt% and the obtained PEG/SiO2 composite was heated at 600℃, the mesoporous silica with a pore volume of 2.2 cma/g, a BET specific surface area of 361.55 m2/g, and a diameter of 2-4 μm could be obtained. The obtained mesoporous silica materials have potential applications in the fields of paint and plastic, as thickening, reinforcing, and flatting agents.
  • Materials

    Low-cost preparation of mesoporous silica with high pore volume

    + Author Affiliations
    • Mesoporous silica materials with high pore volume were successfully prepared by the chemical precipitation method, with water glass and a biodegradable nonionic surfactant polyethylene glycol (PEG). The obtained materials were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), thermo gravimetric analyzer and differential scanning calorimetry (TG-DSC), nitrogen adsorption-desorption measurements, and X-ray diffraction (XRD). The results showed that the changes of the pore parameters depended on both the surfactant content and heat treatment temperature. When the content of PEG was 10wt% and the obtained PEG/SiO2 composite was heated at 600℃, the mesoporous silica with a pore volume of 2.2 cma/g, a BET specific surface area of 361.55 m2/g, and a diameter of 2-4 μm could be obtained. The obtained mesoporous silica materials have potential applications in the fields of paint and plastic, as thickening, reinforcing, and flatting agents.
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