Thermal Properties of Multiwalled Carbon Nanotubes-Alumina (MWCNT-Al₂O₃) Hybrid Filled Silicone Rubber Composites

Abstract:

A hybrid compound of multiwalled carbon nanotubes-alumina (MWCNT-Al₂O₃) was successfully synthesized using chemical vapour deposition (CVD) method. MWCNT-Al₂O₃ at three different weight percent (0.5wt.%, 1.0wt.% and 1.5wt.%) was added into Silicone rubber of Polydimethylsiloxane (PDMS) using ultrasonic sonicator. Thermal analysis Differential Scanning Calorimetry (DSC) and Thermogravimetry (TGA) was performed on each composites and their thermal stability was compared. TGA thermogram showed that 1.0wt.% and 1.5wt% of hybrid compound had more weight loss recorded at decomposition temperature of 400°C. In addition, DSC thermogram also indicated that heat of fusion increased with increasing content (wt.%) of hybrid compound MWCNT-Al₂O₃ in the Polydimethylsiloxane composites. It was found that the presence of MWCNT-Al₂O₃ hybrid compound had changed the internal energy and the mass loss of the composite.

• Periodical: Advanced Materials Research (Volume 844)
• Pages: 330-333
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.844.330
• Online since: November 2013
• Authors: Nosbi Norlin, Md Akil Hazizan
• Keywords: Alumina, Chemical Vapor Deposition (CVD), Hybrid Compound, Multi-Walled Carbon Nanotube (MWCNT), Polydimethylsiloxane (PDMS), Thermal Property

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