Fabrication of exfoliated graphite reinforced silicone rubber composites - Mechanical,tribological and dielectric properties |
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| Institution: | 1. State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2. Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, China;3. University of Chinese Academy of Sciences, Beijing 100049, China;1. International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, P.D.Hills P.O., Kottayam, India;2. Department of Polymer Technology, Chemical Faculty, Gdansk University of Technology, 80-233 Gdansk, Poland;3. School of Pure and Applied Physics, Mahatma Gandhi University, P.D. Hills P.O, Kottayam, India;4. Research and Post Graduate Department of Chemistry, Bishop Moore College, Mavelikara, Alappuzha, India |
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| Abstract: | The effect of exfoliated graphite (EG) on the mechanical, tribological and dielectric properties of the silicone rubber (QM) composites has been systematically investigated and analysed. Morphological analysis of the composites helps to understand the interfacial interaction between the filler and the rubber matrix as well as wear mechanism respectively. An enhancement in the mechanical, tribological and dielectric properties was observed with an increase in filler loading and better performance was observed at 7 phr of filler loading. The improvement in performance is attributed to the better interaction between the QM chains and the EG layers as evident from the AFM and TEM analysis. It is also evident from the Kraus plot which supports the reinforcing effect of EG in QM matrix. |
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| Keywords: | Silicone rubber Exfoliated graphite Tribology Dielectric performance |
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