Journal
JOURNAL OF POROUS MATERIALS
Volume 26, Issue 3, Pages 785-791Publisher
SPRINGER
DOI: 10.1007/s10934-018-0674-4
Keywords
Silica aerogels; Water solvent; Ambient pressure drying; Classic nanostructure
Funding
- Sichuan Science and Technology Program [2018RZ0127]
- Project of State Key Laboratory of Environment-friendly Energy Materials, Southwest University of Science and Technology [18zxhk16]
- Doctoral Research Fund of Southwest University of Science and Technology [16zx7142]
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We developed an eco-friendly method to facilely prepare the good-formability methyltrimethoxysilane (MTMS)-based silica aerogels via water solvent system and ambient pressure drying in one-step. In the whole procedure, water was used not only as a reaction agent but also as a solvent, avoiding the expensive cost and environmental pollution caused by solvent exchange. The structural properties of MTMS-based silica aerogels were characterized by the scanning electron microscopy, transmission electron microscopy and Brunauer-Emmett-Teller methods. The results indicated that compared with other silica aerogels prepared by traditional water solvent methods, this MTMS-based silica aerogels had the classic nanostructure with the high specific surface area of 450m(2)/g as well as hydrophobic property.
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