Optimization of nanosilica fabrication technology process and its application in rubber composite material production
Corressponding author's email:
tailm@hcmute.edu.vnKeywords:
Rice husk, Natural Rubber, Nanosilica, Taguchi method, NanocompositeAbstract
Rice husk (RH), an inexpensive waste material, was used to produce nanosilica that was then applied to fabricate composite with natural rubber. The optimization of process parameters on the weight of nanosilica using the Taguchi method was performed. Experimental specimens were then made to confirm optimum values for each process parameter. The results indicated that the weight of the optimal nanosilica was improved to 7.9 g with addition of NaOH concentration of 5M and stirring time of 5h from only 10 g of original rice husk. The structural properties of nanosilica were studied by scanning electron microscope. The results of mechanical tests exhibit improvements of tensile strength and elongation by 52.5% and 20.4%, respectively, at 6.0 pphr (part per hundred of rubber) nanosilica as compare to those of the pure polymer specimen. Morphologies of the fracture surface of resulting nanocomposites observed by a field emission scanning electron microscope (FESEM) showed good adhesion between the filler and the resin.
Downloads: 0
References
M. Choolaei, The effect of nanosilica on the physical properties of oil well cement, Materials Science and Engineering: A 538 (2012) 288-294.
P.B. Sarawade, Production of low-density sodium silicate-based hydrophobic silica aerogel beads by a novel fast gelation process and ambient pressure drying process, Solid State Sciences, 12 (2010) 911-918.
S. Jacob, Reinforcing effect of nanosilica on polypropylene–nylon fibre composite, Materials Science and Engineering: B, 168 (2010) 245-249.
K. Sanguansap, T. Suteewong, P. Saendee, U. Buranabunya, and P. Tangboriboonrat, Composite natural rubber based latex particles: a novel approach, Polymer, 46 (2005) 1373-1378.
J. K. Kurian, N. R. Peethambaran, K.C. Mary, and B. Kuriakose, Effect of vulcanization systems and antioxidants on discoloration and degradation of natural rubber latex thread under UV radiation, Journal of Applied Polymer Science, 78 (2000) 304-310.
H. H. Cai, S. D. Li, T. G. Rian, H. B. Wang, and J. H. Wang, Reinforcement of natural rubber latex film by ultrafine calcium carbonate, Journal of Applied Polymer Science, 87 (2003) 982-985.
M. J. van Bommel and A. B. de Haan, Drying of silica aerogel with supercritical carbon dioxide, Journal of Material Science, 29 (1994) 943-948.
J. H. Chen, Interfacial enhancement of nano-SiO2/polypropylene composites, Composites Science and Technology, 69 (2009) 252-259.
O. H. Lin, Z. A. Mohd Ishak, and H. M. Akil, Preparation and properties of nanosilica-filled polypropylene composites with PP-methyl POSS as compatibiliser, Materials & Design, 30 (2009) 748-751, 2009.
Real, C, Alcala, MD, Criado, JM: Preparation of silica from rice husks. J. Am. Ceram. Soc. 79 (1996) 2012.
Martin, JI: The desilification of rice hull and a study of the products obtained. Lousiana State University, MS thesis (1938)
Yalçin, N, Sevinç, V: Studies on silica obtained from rice husk. Ceram. Int. 27 (2001) 219.
Ross, S.H. Taguchi Techniques for Quality Engineering, 2nd ed., (1996) McGraw-Hill, New York.
Downloads
Published
How to Cite
Issue
Section
Categories
License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Copyright © JTE.
