Rapid Preparation of Mesoporous Methylsilsesquioxane Aerogels by Microwave Heating Technology
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of MSQ Aerogel and Aerogel/Fiber Composites
2.3. Characterization
3. Results and Discussion
3.1. Preparation Mechanism of Mesoporous MSQ Aerogels by Microwave Drying
3.2. Optimization of Synthesis Process of MSQAerogels
3.2.1. Effect of CTAC on Pore Structure of MSQ Aerogels
3.2.2. Effect of Ethanol on Pore Structure of MSQ Aerogels
3.2.3. Effect of Catalyst (HCl) on Pore Structure of MSQ Aerogels
3.2.4. Effect of Sodium Hydroxide (NaOH) on Pore Structure of MSQ Aerogels
3.2.5. Effects of Microwave Power and Drying Method on Pore Structure of MSQ Aerogels
3.3. Thermal Stability and Pore Structures of Typical MSQ Aerogels
3.4. Thermal Insulation Performance of MSQ Aerogel/Fiber Composites
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Sample | VMTMS /mL | VHCl /mL | VEtOH /mL | MCTAC /g | CNaOH /mol·L−1 | VNaOH /mL | Microwave Drying Power/W |
---|---|---|---|---|---|---|---|
N1 | 3 | 1.5 | 1.5 | 1.6 | 0.5 | 0.5 | 700 |
N2 | 3 | 1.5 | 1.5 | 2.0 | 0.5 | 0.5 | 700 |
N3 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N4 | 3 | 1.5 | 1.5 | 2.8 | 0.5 | 0.5 | 700 |
N5 | 3 | 1.5 | 1.5 | 3.2 | 0.5 | 0.5 | 700 |
N6 | 3 | 0.9 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N7 | 3 | 1.2 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N8 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N9 | 3 | 1.8 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N10 | 3 | 2.1 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N11 | 3 | 1.5 | 1.0 | 2.4 | 0.5 | 0.5 | 700 |
N12 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N13 | 3 | 1.5 | 2.0 | 2.4 | 0.5 | 0.5 | 700 |
N14 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.1 | 700 |
N15 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.2 | 700 |
N16 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.3 | 700 |
N17 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.4 | 700 |
N18 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.5 | 700 |
N19 | 3 | 1.5 | 1.5 | 2.4 | 1.0 | 0.1 | 700 |
N20 | 3 | 1.5 | 1.5 | 2.4 | 1.0 | 0.2 | 700 |
N21 | 3 | 1.5 | 1.5 | 2.4 | 1.0 | 0.3 | 700 |
N22 | 3 | 1.5 | 1.5 | 2.4 | 1.0 | 0.4 | 700 |
N23 | 3 | 1.5 | 1.5 | 2.4 | 1.0 | 0.5 | 700 |
N24 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.2 | 500 |
N25 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.2 | 700 |
N26 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.2 | Indoor evaporation |
N27 | 3 | 1.5 | 1.5 | 2.4 | 0.5 | 0.2 | 80 °C oven drying |
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Guo, X.; Li, Z.; Lei, W.; Ding, R.; Zhang, Y.; Yang, H. Rapid Preparation of Mesoporous Methylsilsesquioxane Aerogels by Microwave Heating Technology. Molecules 2021, 26, 1960. https://doi.org/10.3390/molecules26071960
Guo X, Li Z, Lei W, Ding R, Zhang Y, Yang H. Rapid Preparation of Mesoporous Methylsilsesquioxane Aerogels by Microwave Heating Technology. Molecules. 2021; 26(7):1960. https://doi.org/10.3390/molecules26071960
Chicago/Turabian StyleGuo, Xingzhong, Zixiao Li, Wei Lei, Ronghua Ding, Yun Zhang, and Hui Yang. 2021. "Rapid Preparation of Mesoporous Methylsilsesquioxane Aerogels by Microwave Heating Technology" Molecules 26, no. 7: 1960. https://doi.org/10.3390/molecules26071960