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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 35 - 39 (5page)
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The flexible and superhydrophobic properties of silica aerogels are extremely important material for thermal insulation and oil spill cleanup applications for their long-term use. Flexible silica aerogels were synthesized by using a two-step sol-gel process with precursors, methyltrimethoxysilane (MTMS) followed by supercritical drying. Silica aerogels were prepared at different molar ratio of methanol to MTMS (M). It was observed that the silica aerogels prepared at M=28 were monolithic but inelastic in nature, however, for M=35, the obtained aerogels were monolithic, elastic in nature with less shrinkage. The microstructural studies were carried out using scanning electron microscopy and surface area measurements. The hydrophobicity was confirmed by Fourier transform Infrared spectroscopy and water contact angle measurements. The detailed insight mechanism for flexible nature of silica aerogels and hydrophobic behavior were studied.
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참고문헌 (18)
참고문헌 신청
M. A. Aegerter / 2011 / Aerogels Handbook / Springer
A. V. Rao / 2006 / Synthesis of flexible silica aerogels using methyltrimethoxysilane (MTMS) precursor / J. Colloid and Interface Sci 300(1):279
G. C. Bond / 1987 / Structure and reactivity of titania-supported oxides. Part 3: reaction of isopropanol over vanadia-titania catalysts / Appl. Catal 33:219
T. M. Tillotson / 1992 / Transparent ultralowdensity silica aerogels prepared by a two-step sol-gel process / J. Non-Cryst. Solids 145:44
D. Y. Nadargi / 2009 / Studies on rheological properties of methyltriethoxysilane (MTES) based flexible superhydrophobic silica aerogels / Microporous Mesoporous Mater 117:617
A. V. Rao / 2006 / Synthesis of flexible silica aerogels using methyltrimethoxysilane (MTMS) precursor / J. Colloid and Interface Sci 300(1):279
G. C. Bond / 1987 / Structure and reactivity of titania-supported oxides. Part 3: reaction of isopropanol over vanadia-titania catalysts / Appl. Catal 33:219
T. M. Tillotson / 1992 / Transparent ultralowdensity silica aerogels prepared by a two-step sol-gel process / J. Non-Cryst. Solids 145:44
D. Y. Nadargi / 2009 / Studies on rheological properties of methyltriethoxysilane (MTES) based flexible superhydrophobic silica aerogels / Microporous Mesoporous Mater 117:617
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