Synhesis and characterization of superhydrophobic mesoporous silica aerogels by ambient pressure drying

Kuei Suan Jen Hsueh Pao/ Journal of the Chinese Ceramic Society

Volumn 37, Issue 4, 2009, Pages 512-515

  Zhu, Jianjun ^a   Yao, Jing ^a   Lü, Xiaomeng ^a   Ding, Jianlin ^a   Du, Feihu ^a   Xie, Jimin ^a  

^a JIANGSU UNIVERSITY   (China)

Author keywords

Ambient pressure drying; Silica aerogel; Solvent exchange; Superhydrophobic; Surface modification

Indexed keywords

AMBIENT PRESSURE DRYING; SILICA AEROGEL; SOLVENT EXCHANGE; SUPERHYDROPHOBIC; SURFACE MODIFICATION;

CERAMIC MATERIALS; CONTACT ANGLE; DEWATERING; GELATION; HYDROCARBONS; HYDROPHOBICITY; INFRARED SPECTROSCOPY; SCANNING ELECTRON MICROSCOPY; SILICA; SILICA GEL; SOL-GEL PROCESS; SOLVENTS; SURFACE TREATMENT; TRANSMISSION ELECTRON MICROSCOPY; X RAY DIFFRACTION ANALYSIS;

AEROGELS;

EID: 65349180214     PISSN: 04545648     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (12)

1. LU X, ARDUINI-SCHUSTER M C, KUHN J, et al. Thermal conductivity of monolithic organic aerogels [J]. Science, 1992, 255: 971-972.
2. 4-n [J]. J Non-Cryst Solids, 2004, 350: 216-223.
3. RAO A P, RAO A V, PAJONK G M. Hydrophobic and physical properties of the ambient pressure dried silica aerogels with sodium silicate precursor using various Surface modification agents [J]. Appl Surf Sci, 2007, 253: 6032-6040.
4. RAO A V, KULKARNI M M. Hydrophobic properties of TMOS/ TMES-based silica aerogels [J]. Mater Res Bull, 2002, 37: 1667-1677.
5. YAO Lianzeng, LI Xiaomao, CAI Weili, et al. J Chin Ceram Soc (in Chinese), 1998, 26(3): 319-323.
6. SHARAD D, BHAGAT, RAO A V. Surface chemical modification of TEOS based silica aero-gels synthesized by two step (acid-base) sol-gel process [J]. Appl Surf Sci, 2006, 252: 4289-4296.
7. MOTOYUKI I, MAYUMI T, HIDEHIRO K. Effect of particle size on surface modification of silica namoparticles by using silane coupling agents and their dispersion stability in methylethyketone [J]. J Colloid Interf Sci, 2007, 307: 418-424.
8. ZHAO Dafang, CHEN Yimin, HONG Xiaobin, et al. J Chin Ceram Soc (in Chinese), 2004, 32(5): 548-552.
9. HEGDE N D, RAO A V. Organic modification of TEOS based silica aero-gels using hexadecyltri-methoxysilane as a hydrophobic reagent [J]. Appl Surf Sci, 2006, 253: 1566-1572.
10. BHAGAT S D, KIM Y H, SUH K H, et al. Super-hydrophobic silica aero-gel powders with simultaneous surface modification, solvent exchange and sodium ion removal from hydro-gels [J]. Micropor Mesopor Mater, 2008, 112: 504-509.
11. RAO A V, NILSEN E, EINARSRUD M A. Effect of precursors, methylation agents and solvents on the physicochemical properties of silica aerogels prepared by atmospheric drying method [J]. J Non-Cryst Solids, 2001, 296: 165-171.
12. SHI F, WANG L J, LIU J X. Synthesis and characterization of silica aerogels by a novel fast ambient pressure drying process [J]. Mater Lett, 2006, 60: 3718-3722.