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Thermal, morphological, and biodegradability properties of bioplastic fertilizer composites made of oil palm biomass, fertilizer, and poly(hydroxybutyrate-co-valerate)

Ahmad Saffian, Harmaen and Abdan, Khalina and Hassan, Mohd Ali and Ibrahim, Nor Azowa (2016) Thermal, morphological, and biodegradability properties of bioplastic fertilizer composites made of oil palm biomass, fertilizer, and poly(hydroxybutyrate-co-valerate). International Journal of Polymer Science, 2016 . art. no. 3230109. pp. 1-8. ISSN 1687-9422; ESSN: 1687-9430

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Abstract

Slow-release bioplastic fertilizer (BpF) composites were developed by processing oil palm empty fruit bunch (EFB), fertilizer, and poly(hydroxybutyrate-co-valerate) (PHBv) using extrusion techniques with controlled formulation and temperature. The temperature was kept at 150°C for 3 to 5 min during processing using twin-screw extruder. The PHBv lost weight gradually with the increasing temperature and its thermal degradation occurred initially at 263.4°C and reached the maximum at 300.7°C. Scanning electron microscope (SEM) images showed that the bonding of all composites created small gaps between matrices polymer and fiber because the hydrophilic characteristic of EFB fibers weakened the interfacial bonding. PHBv/EFB/NPKC2 showed faster biodegradation over PHBv/NPKC1 and PHBv/NPKC2, which was 99.35% compared to 68.66% and 90.28%, respectively.

Item Type:Article
Keyword:Bioplastic fertilizer (BpF); PHBv/EFB/NPKC2; PHBv; Oil palm empty fruit bunch; Biodegradation
Faculty or Institute:Faculty of Engineering
Faculty of Science
Institute of Tropical Forestry and Forest Products
Faculty of Biotechnology and Biomolecular Sciences
Publisher:Hindawi Publishing Corporation
DOI Number:10.1155/2016/3230109
Altmetrics:http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1155/2016/3230109
ID Code:29172
Deposited By: Nurul Ainie Mokhtar
Deposited On:20 Jun 2016 14:50
Last Modified:20 Jun 2016 14:50

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