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Optimizing processing parameters and fiber size for kenaf fiber reinforced thermoplastic polyurethane composite


Citation

El-Shekeil, Yousuf Ali Gumaan and Salit, Mohd Sapuan and Zainudin, Edi Syams and Abdan, Khalina (2011) Optimizing processing parameters and fiber size for kenaf fiber reinforced thermoplastic polyurethane composite. Key Engineering Materials, 471-472. pp. 297-302. ISSN 1013-9826; ESSN: 1662-9795

Abstract

In this study, composite of Themoplastic polyurethane (TPU) reinforced with short fiber (Hibiscus Cannabinus) kenaf (KF) were prepared via melt blending method using Haake Polydrive R600 internal mixer. Effect of various processing temperatures, times and speeds on tensile strength was studied, together with effect of various fiber sizes on tensile, flexural properties and impact strength. Optimum blending parameters were 190°C, 11 min, and 40 rpm for temperature, time and speed, respectively. Using the optimum processing parameters TPU-KF composites with different fiber sizes were prepared. Composite sheets were prepared by hot press machine at 190 °C for 10 min. Five samples were cut from the composite sheet. Mean value was taken for each composite according to ASTM standards. Tensile and flexural strength were best for fibers between 125-300 micron. Impact strength showed an increasing trend with increasing fiber size.


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Additional Metadata

Item Type: Article
Divisions: Faculty of Engineering
Institute of Tropical Forestry and Forest Products
DOI Number: https://doi.org/10.4028/www.scientific.net/KEM.471-472.297
Publisher: Trans Tech Publications
Keywords: Natural fiber composites; Thermoplastic polyurethane; Kenaf fibers
Depositing User: Nabilah Mustapa
Date Deposited: 15 Apr 2020 16:17
Last Modified: 15 Apr 2020 16:17
Altmetrics: http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.4028/www.scientific.net/KEM.471-472.297
URI: http://psasir.upm.edu.my/id/eprint/22935
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