Acoustical, thermal, and morphological properties of zein reinforced oil palm empty fruit bunch fiber bio-composites

Elammaran, Jayamani and Sinin, Hamdan and Soon, Kok Heng and Md Rezaur, Rahman and Muhammad Khusairy, Bin Bakri (2016) Acoustical, thermal, and morphological properties of zein reinforced oil palm empty fruit bunch fiber bio-composites. Journal of Applied Polymer Science, 133 (43). ISSN 0021-8995

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In this research, biodegradable composites were prepared with zein as a polymer matrix and oil palm empty fruit bunch (OPEFB) as fiber reinforcement. The fibers were treated with sodium hydroxide (NaOH). The effects of sodium hydroxide treatment on sound absorption, thermal stability, and fiber-polymer matrix interaction in composites were examined. The acoustical sound absorption coefficients of the composites were evaluated using two-microphone transfer function impedance tube method. The spectral, thermal, and morphological studies of the composites were analyzed and characterized using scanning electron microscope (SEM), thermogravimetric analysis (TGA), and Fourier transform infrared (FTIR) spectroscopy. It was found that in all the biodegradable composites, the sound absorption coefficients increased as the frequency increased. Increases in fiber loading caused sound absorption coefficients of the composites to increase. The sodium hydroxide treatment showed a better interface adhesion on fiber and zein matrix. It was also found that this treatment increased the sound absorption coefficients. This was supported by qualitative analysis on the SEM micrographs and FTIR spectrum.

Item Type: Article
Uncontrolled Keywords: Composites, fibers, morphology, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
T Technology > TS Manufactures
Divisions: Academic Faculties, Institutes and Centres > Faculty of Engineering
Faculties, Institutes, Centres > Faculty of Engineering
Depositing User: Ibrahim
Date Deposited: 12 Oct 2016 07:05
Last Modified: 04 Feb 2022 07:37

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