• Journal of Inorganic Materials
  • Vol. 35, Issue 4, 454 (2020)
Ze ZHANG, Xiaodong WANG*, and Jun SHEN*
Author Affiliations
  • Shanghai Key Laboratory of Special Artificial Microstructure Materials and Technology, School of Physics Science and Engineering, Tongji University, Shanghai 200092, China
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    DOI: 10.15541/jim20190186 Cite this Article
    Ze ZHANG, Xiaodong WANG, Jun SHEN. Effect of Organic-inorganic Crosslinking Degree on the Mechanical and Thermal Properties of Aerogels[J]. Journal of Inorganic Materials, 2020, 35(4): 454 Copy Citation Text show less
    Photograph of silicon-based aerogels Samples 1-4 are from left to right in sequence
    1. Photograph of silicon-based aerogels Samples 1-4 are from left to right in sequence
    SEM images of silicon-based aerogels
    2. SEM images of silicon-based aerogels
    N2 adsorption/desorption isotherms (a-b) and BJH pore size distribution (c-d) of silicon-based aerogels
    3. N2 adsorption/desorption isotherms (a-b) and BJH pore size distribution (c-d) of silicon-based aerogels
    FT-IR spectra of silicon-based aerogels
    4. FT-IR spectra of silicon-based aerogels
    Skeleton structure of 4 silicon-based aerogels obtained from (a) TEOS, (b) MTMS, (c) mixed precursor of MTMS and DMDMS, and (d) VMDMS
    5. Skeleton structure of 4 silicon-based aerogels obtained from (a) TEOS, (b) MTMS, (c) mixed precursor of MTMS and DMDMS, and (d) VMDMS
    29Si MAS NMR spectra of silicon-based aerogels
    6. 29Si MAS NMR spectra of silicon-based aerogels
    TG curves of silicon-based aerogels
    7. TG curves of silicon-based aerogels
    Stress-strain curves of silicon-based aerogels
    8. Stress-strain curves of silicon-based aerogels
    Sampleρa/(g·cm-3)SBETb/(m2·g-1)dc/nmεd/(cm3·g-1)λe/(W·m-1·K-1)Rf/%Yg/MPa
    10.19484320.224.9000.03610%0.71
    20.192116518.233.6000.03420%0.82
    30.156341.720.0250.04127%9.54×10-3
    40.188140316.313.7000.032100%4.51
    Table 1. Physical properties of silicon-based aerogels
    Ze ZHANG, Xiaodong WANG, Jun SHEN. Effect of Organic-inorganic Crosslinking Degree on the Mechanical and Thermal Properties of Aerogels[J]. Journal of Inorganic Materials, 2020, 35(4): 454
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