Mechanically Strong and Tailorable Polyimide Aerogels Prepared with Novel Silicone Polymer Crosslinkers
Abstract
:1. Introduction
2. Results and Discussion
2.1. Chemical Structure of the PI Aerogels
2.2. The Porous Structure of the PI Aerogels
2.3. The Morphology of the PI Aerogels
2.4. The Mechanical Properties of the PI Aerogels
2.5. The Thermal Stability of the PI Aerogels
3. Conclusions
4. Materials and Methods
4.1. Materials
4.2. Preparation of Silicone Polymers
4.3. Preparation of PI Aerogels
4.4. Characterization
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Conflicts of Interest
References
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Sample | Bulk Density (g/cm3) | Shrinkage (%) | Porosity (%) | Surface Area (m2/g) | Pore Diameter (nm) |
---|---|---|---|---|---|
D0D-20-DMBZ | 0.104 ± 0.003 | 17.6 ± 1.1 | 89.6 ± 1.1 | 469 ± 15 | 31.4 ± 0.2 |
D-20-DMBZ | 0.101 ± 0.003 | 18.8 ± 1.1 | 88.1 ± 1.1 | 433 ± 14 | 30.5 ± 0.2 |
DT-20-DMBZ | 0.106 ± 0.002 | 12.8 ± 1.0 | 85.5 ± 1.1 | 400 ± 14 | 20.1 ± 0.2 |
T-20-DMBZ | 0.106 ± 0.003 | 14.1 ± 1.0 | 85.6 ± 1.0 | 314 ± 12 | 11.1 ± 0.1 |
T-30-DMBZ | 0.107 ± 0.002 | 14.4 ± 1.0 | 87.1 ± 1.0 | 375 ± 13 | 12.2 ± 0.1 |
T-50-DMBZ | 0.108 ± 0.002 | 14.7 ± 1.0 | 87.4 ± 1.0 | 390 ± 14 | 12.5 ± 0.1 |
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Zhang, Z.; Deng, Y.; Lun, Z.; Zhang, X.; Yan, M.; He, P.; Li, C.; Pan, Y. Mechanically Strong and Tailorable Polyimide Aerogels Prepared with Novel Silicone Polymer Crosslinkers. Gels 2022, 8, 57. https://doi.org/10.3390/gels8010057
Zhang Z, Deng Y, Lun Z, Zhang X, Yan M, He P, Li C, Pan Y. Mechanically Strong and Tailorable Polyimide Aerogels Prepared with Novel Silicone Polymer Crosslinkers. Gels. 2022; 8(1):57. https://doi.org/10.3390/gels8010057
Chicago/Turabian StyleZhang, Zhongxin, Yurui Deng, Zhiyi Lun, Xiao Zhang, Mingyuan Yan, Pan He, Caihong Li, and Yuelei Pan. 2022. "Mechanically Strong and Tailorable Polyimide Aerogels Prepared with Novel Silicone Polymer Crosslinkers" Gels 8, no. 1: 57. https://doi.org/10.3390/gels8010057