Bio-based unsaturated polyester/layered silicate nanocomposites: Characterization and thermo-physical properties |
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| Authors: | Mahmoodul Haq Rigoberto Burgueño Amar K. Mohanty Manjusri Misra |
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| Affiliation: | 1. Liverpool and Macarthur Cancer Therapy Centres and Ingham Institute, Sydney, NSW, Australia;2. Centre for Medical Radiation Physics, University of Wollongong, Wollongong, NSW, Australia;3. South West Clinical School, University of New South Wales, Sydney, NSW, Australia;4. Institute of Medical Physics, School of Physics, University of Sydney, Sydney, NSW, Australia;1. CEMUC — University of Coimbra''s Mechanical Engineering Research Center, Department of Mechanical Engineering, Pinhal de Marrocos, 3030-788 Coimbra, Portugal;2. Department of Chemical Engineering, University of Coimbra, Rua Sílvio Lima-Pólo II, 3030-790 Coimbra, Portugal |
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| Abstract: | Proper stiffness–toughness balance along with enhancement in other thermo-physical properties can be obtained by incorporating layered silicates (nanoclay) in bio-based resins, defined as blends of functionalized vegetable oils and petroleum-based resins. Bio-based polymer nanocomposites with varying clay concentration and varying bio-resin (epoxidized soy bean oil) content in unsaturated polyester resins were manufactured. Thermo-physical properties such as tensile modulus and strength, coefficient of thermal expansion, moisture absorption, toughness, and glass transition temperatures were studied. Fracture surface morphologies and characterization of nanocomposites were performed using electron microscopy. The resulting bio-blend nanocomposites exhibit promising results for use in structural applications. |
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