Self-assembled natural rubber/silica nanocomposites : its preparation and characterization

Peng, Zhen, Kong, Ling Xue, Li, Si-Dong, Chen, Yin and Huang, Mao Fang 2007, Self-assembled natural rubber/silica nanocomposites : its preparation and characterization, Composites science and technology, vol. 67, no. 15-16, pp. 3130-3139.

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Title Self-assembled natural rubber/silica nanocomposites : its preparation and characterization
Author(s) Peng, Zhen
Kong, Ling Xue
Li, Si-Dong
Chen, Yin
Huang, Mao Fang
Journal name Composites science and technology
Volume number 67
Issue number 15-16
Start page 3130
End page 3139
Total pages 10
Publisher Pergamon
Place of publication Oxford, England
Publication date 2007-12
ISSN 0266-3538
1879-1050
Summary A novel natural rubber/silica (NR/SiO2) nanocomposite is developed by combining self-assembly and latex-compounding techniques. The results show that the SiO2 nanoparticles are homogenously distributed throughout NR matrix as nano-clusters with an average size ranged from 60 to 150 nm when the SiO2 loading is less than 6.5 wt%. At low SiO2 contents (less-than-or-equals, slant4.0 wt%), the NR latex (NRL) and SiO2 particles are assembled as a core-shell structure by employing poly (diallyldimethylammonium chloride) (PDDA) as an inter-medium, and only primary aggregations of SiO2 are observed. When more SiO2 is loaded, secondary aggregations of SiO2 nanoparticles are gradually generated, and the size of SiO2 cluster dramatically increases. The thermal/thermooxidative resistance and mechanical properties of NR/SiO2 nanocomposites are compared to the NR host. The nanocomposites, particularly when the SiO2 nanoparticles are uniformly dispersed, possess significantly enhanced thermal resistance and mechanical properties, which are strongly depended on the morphology of nanocomposites. The NR/SiO2 has great potential to manufacture medical protective products with high performances.
Language eng
Field of Research 100706 Nanofabrication, Growth and Self Assembly
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30026143

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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