Physical and damping properties of kenaf fibre filled natural rubber/thermoplastic polyurethane composites |
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| Affiliation: | 1. Advanced Engineering Materials and Composite Research Centre (AEMC), Department of Mechanical and Manufacturing Engineering, University Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia;2. Automotive Engineering Technology Section, Universiti Kuala Lumpur Malaysian France Institute (UniKL-MFI), 43650, Bandar BaruBangi, Selangor, Malaysia;3. Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia;4. Department of Aerospace Engineering, Universiti Putra Malaysia, 43400, UPM Serdang, Selangor, Malaysia |
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| Abstract: | The paper presents the investigation of the effect of alkaline treatment of sodium hydroxide (NaOH) on physical and dynamic mechanical analysis (DMA) viscoelastic properties of kenaf fibre filled natural rubber (NR)/thermoplastic polyurethane (TPU) composites. The treated kenaf fiber, NR and TPU were weighed and proportioned according to the required compositions and were blended using hot mixed Brabender machine. The polymer composites were then fabricated using the hot press to form a sample board. The sample was cut and prepared and water absorption, density, thickness swelling and DMA tests were performed. As far as physical properties are concerned, composites with the highest NR amount of shows the best results, which indicates good fiber bonding adhesion. The polymer composites with the highest amount of TPU shows the highest damping properties at high temperature. |
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| Keywords: | Kenaf fiber Alkaline treatment Thermoplastic polyurethane Natural rubber Dynamic mechanical analysis |
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