Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.colsurfa.2016.06.052
Title: Silica-cellulose hybrid aerogels for thermal and acoustic insulation. applications
Authors: Feng, Jingduo
Le, Duyen 
Nguyen, Son T 
Nien, Victor Tan Chin
Jewell, Daniel
Duong, Hai M 
Keywords: Science & Technology
Physical Sciences
Chemistry, Physical
Chemistry
Aerogel
Recycled cellulose fibre
Silica
Acoustic insulation
Thermal insulation
ABSORPTION PROPERTIES
COMPOSITE AEROGELS
CONDUCTIVITY
PERFORMANCE
PRECURSORS
WASTE
NOISE
FIBER
PAPER
Issue Date: 5-Oct-2016
Publisher: ELSEVIER SCIENCE BV
Citation: Feng, Jingduo, Le, Duyen, Nguyen, Son T, Nien, Victor Tan Chin, Jewell, Daniel, Duong, Hai M (2016-10-05). Silica-cellulose hybrid aerogels for thermal and acoustic insulation. applications. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 506 : 298-305. ScholarBank@NUS Repository. https://doi.org/10.1016/j.colsurfa.2016.06.052
Abstract: © 2016 Elsevier B.V. Silica–cellulose aerogels were successfully developed from recycled cellulose fibres and methoxytrimethylsilane (MTMS) silica precursor for the first time. The developed silica–cellulose aerogels showed the super-hydrophobicity with an average water contact angle of 151°. Their thermal conductivity was approximately 0.04 W/mK. Moreover, the thermal degradation temperature for the cellulose component of the silica–cellulose aerogels showed a 25 °C improvement over those for cellulose aerogels. The sound absorption coefficients of the silica–cellulose aerogels with a 10 mm thickness were 0.39–0.50, better than those of cellulose aerogels (0.30–0.40) and commercial polystyrene foams. When the cellulose fibre concentration increases from 1.0 to 4.0 wt.%, the compressive Young's modulus of the silica–cellulose aerogels can be enhanced 160%, up to 139 KPa. This work provides a facile approach to fabricate cost-effective and promising silica–cellulose aerogels with industrial dimensions for thermal and acoustic insulation applications.
Source Title: COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
URI: https://scholarbank.nus.edu.sg/handle/10635/155212
ISSN: 0927-7757
1873-4359
DOI: 10.1016/j.colsurfa.2016.06.052
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