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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2020.1
- 수록면
- 27 - 32 (6page)
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Robust and hydrophobic tetraethoxysilane (TEOS) based silica aerogel was synthesized by supercritical alcohol drying with surface modification using the phenyl based silica co-precursor (PTMS). The aerogels were synthesized by hydrolysis and polycondensation reaction in which TEOS and PTMS in methanol were reacted together in presence of oxalic acid and ammonium hydroxide as the catalysts. Supercritical alcohol dried PTMS/TEOS composite silica aerogel were examined for the hydrophobicity, chemical interaction, surface morphology, and textural characteristics. The hydrophobic silica-based aerogels were characterized by Fourier transform infrared spectroscopy to investigate the presence of functional groups and chemical bonds. The prepared silica demonstrates hydrophobicity (76o-149o), a high specific surface area (398 m2/g to 739 m2/g). The present investigation provides a simple approach to synthesize hydrophobic and thermally stable silica aerogels.
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참고문헌 (29)
참고문헌 신청
Vinayak G. Parale / 2017 / Flexible and Transparent Silica Aerogels: An Overview / 한국세라믹학회지 54(3):184~199
이규연 / 2019 / Chemically Bonded Thermally Expandable Microsphere-silica Composite Aerogel with Thermal Insulation Property for Industrial Use / 마이크로전자 및 패키징학회지 26(2):23~29
V. Gibiat / 1995 / Acoustic properties and potential applications of silica aerogels / J. Non-Cryst. Solids 186:244
K. I. Jensen / 2004 / Development of windows based on highly insulating aerogel glazings / J. Non-Cryst. Solids 350:351
I. Smirnova / 2004 / “Dissolution Rate Enhancement by Adsorption of Poorly Soluble Drugs on Hydrophilic Silica Aerogels / Pharm. Dev. Technol 9(4):443
이규연 / 2019 / Chemically Bonded Thermally Expandable Microsphere-silica Composite Aerogel with Thermal Insulation Property for Industrial Use / 마이크로전자 및 패키징학회지 26(2):23~29
V. Gibiat / 1995 / Acoustic properties and potential applications of silica aerogels / J. Non-Cryst. Solids 186:244
K. I. Jensen / 2004 / Development of windows based on highly insulating aerogel glazings / J. Non-Cryst. Solids 350:351
I. Smirnova / 2004 / “Dissolution Rate Enhancement by Adsorption of Poorly Soluble Drugs on Hydrophilic Silica Aerogels / Pharm. Dev. Technol 9(4):443
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