Rapid synthesis of sodium silicate based hydrophobic silica aerogel granules with large surface area

Advanced Powder Technology

Volumn 26, Issue 2, 2015, Pages 537-541

  He, Song ^a   Li, Zhi ^a   Shi, Xiaojing ^a   Yang, Hui ^a   Gong, Lunlun ^a   Cheng, Xudong ^a,b  

^a UNIVERSITY OF SCIENCE AND TECHNOLOGY OF CHINA   (China)

^b Collaborative Innovation Center for Urban Public Safety ^*  (China)

Author keywords

Modification agent; N,N Dimethylformamide; Sodium silicate; Sol gel processes

Indexed keywords

AEROGELS; CERENKOV COUNTERS; CONTACT ANGLE; COST EFFECTIVENESS; DIMETHYLFORMAMIDE; GRANULATION; HYDROPHOBICITY; ION EXCHANGE; MOLAR RATIO; ORGANIC SOLVENTS; PORE SIZE; SILICA; SILICA GEL; SILICATES; SOL-GEL PROCESS; SPECIFIC SURFACE AREA;

DRYING CONTROL CHEMICAL ADDITIVES; HIGH SPECIFIC SURFACE AREA; HYDROPHOBIC SILICA AEROGEL; MESOPOROUS STRUCTURES; MODIFICATION AGENT; N ,N-DIMETHYLFORMAMIDE; SODIUM SILICATE; TRIMETHYLCHLOROSILANES;

SODIUM COMPOUNDS;

EID: 84927570543     PISSN: 09218831     EISSN: 15685527     Source Type: Journal    
DOI: 10.1016/j.apt.2015.01.002     Document Type: Article

References (19)

1. X.D. Wang, D. Sun, Y.Y. Duan, and Z.J. Hu Radiative characteristics of opacifier-loaded silica aerogel composites J. Non-Cryst. Solids 375 2013 31 39
2. P.B. Wagh, S.V. Ingale, and S.C. Gupta New technology for rapid processing and moulding of silica aerogel materials in prescribed shapes and sizes and their characterization JSGST 58 2011 481 489
3. C. Daniel, S. Longo, R. Ricciardi, E. Reverchon, and G. Guerra Monolithic nanoporous crystalline aerogels Macromol. Rapid Commun. 34 2013 1194 1207
4. J.C.H. Wong, H. Kaymak, S. Brunner, and M.M. Koebel Mechanical properties of monolithic silica aerogels made from polyethoxydisiloxanes Micropor. Mesopor. Mater. 183 2014 23 29
5. 2 Micropor. Mesopor. Mater. 99 2007 23 29
6. F. He, H. Zhao, X. Qu, C. Zhang, and W. Qiu Modified aging process for silica aerogel J. Mater. Process. Technol. 209 2009 1621 1626
7. D.B. Mahadik, A.V. Rao, R. Kumar, S.V. Ingale, P.B. Wagh, and S.C. Gupta Reduction of processing time by mechanical shaking of the ambient pressure dried TEOS based silica aerogel granules J. Porous Mater. 19 2012 87 94
8. H. Omranpour, and S. Motahari Effects of processing conditions on silica aerogel during aging: role of solvent, time and temperature J. Non-Cryst. Solids 379 2013 7 11
9. U.K.H. Bangi, I.-K. Jung, C.-S. Park, S. Baek, and H.-H. Park Optically transparent silica aerogels based on sodium silicate by a two step sol-gel process and ambient pressure drying Solid State Sci. 18 2013 50 57
10. J.L. Gurav, A.V. Rao, A.P. Rao, D.Y. Nadargi, and S.D. Bhagat Physical properties of sodium silicate based silica aerogels prepared by single step sol-gel process dried at ambient pressure JAllC 476 2009 397 402
11. F. Shi, L. Wang, and J. Liu Synthesis and characterization of silica aerogels by a novel fast ambient pressure drying process Mater. Lett. 60 2006 3718 3722
12. S.W. Hwang, H.H. Jung, S.H. Hyun, and Y.S. Ahn Effective preparation of crack-free silica aerogels via ambient drying JSGST 41 2007 139 146
13. N. Ishiyama, N. Uchida, Z. Kato, and K. Uematsu Chemical effects of DCCA to the sol-gel reaction process JMatS 29 1994 5188 5192
14. H.M. Sakhare, A. Venkateswara Rao, A.K. Tamhankar, M.L. Shinde, D.B. Gadave, and P.B. Wagh Influence of N,N-dimethylformamide additive on the physical properties of citric acid catalyzed TEOS silica aerogels Mater. Chem. Phys. 60 1999 268 273
15. S. He, D. Huang, H. Bi, Z. Li, H. Yang, and X. Cheng Synthesis and characterization of silica aerogels dried under ambient pressure bed on water glass J. Non-Cryst. Solids 410 2015 58 64
16. Surface Tension, < http://en.wikipedia.org/wiki/Surface-tension >.
17. P.B. Sarawade, J.K. Kim, A. Hilonga, D.V. Quang, S.J. Jeon, and H.T. Kim Synthesis of sodium silicate-based hydrophilic silica aerogel beads with superior properties: effect of heat-treatment J. Non-Cryst. Solids 357 2011 2156 2162
18. P.B. Sarawade, J.K. Kim, A. Hilonga, D.V. Quang, and H.T. Kim Synthesis of hydrophilic and hydrophobic xerogels with superior properties using sodium silicate Micropor. Mesopor. Mater. 139 2011 138 147
19. J.L. Gurav, A.V. Rao, and U.K.H. Bangi Hydrophobic and low density silica aerogels dried at ambient pressure using TEOS precursor JAllC 471 2009 296 302