Environmental degradation of durian skin nanofibre biocomposite

Mohd Apandi, Siti Nur E'zzati and Anuar, Hazleen and Abd. Rashid, Siti Munirah Salimah (2018) Environmental degradation of durian skin nanofibre biocomposite. IIUM Engineering Journal, 19 (1). pp. 223-236. ISSN 1511-788X E-ISSN 2289-7860

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Abstract

The effect of ultraviolet radiation on tensile properties, water absorption and optical properties of polypropylene (PP) reinforced with durian skin nanofibre (DSNF) composites was investigated. DSNF was obtained from fermentation of durian skin fibre using Rhizopus oryzae. X-ray diffraction (XRD) analysis and Sherrer equation were applied to measure the average particle size of DSNF which was determined as 51.2 nm. PP and DSNF were melt-blended in a Haake internal mixer before compression moulded into composite specimens. The composites were exposed under ultraviolet (UV) radiation to simulate the effect of sunlight. The significant effect of maleic anhydride polypropylene (MAPP) was observed by the improvement recorded in tensile properties and reduction of water absorption in PP/DSNF composite. The colour index of composites increased with UV radiation exposure. Transmission electron microscope (TEM) images showed DSNF was well-dispersed in PP matrix in the presence of MAPP. Kesan ultraungu (UV) terhadap sifat tegangan, penyerapan air dan sifat optik bagi polypropylene (PP) diperkuatkan dengan nanofiber kulit durian komposit telah disiasat. DSNF telah diperolehi daripada process penapaian fiber kulit durian menggunakan Rhizopus oryzae. Analisis difraksi sinar-x dan persamaan Sherrer telah digunakan untuk mengukur purata saiz zarah untuk DSNFyang telah diperolehi sebanyak 51.2nm. PP dan DSNF telah dicampur dalam pembancuh Haake sebelum mampatan dibentuk menjadi spesimen komposit. Komposit telah didedahkan di bawah radiasi ultraungu (UV) untuk mensimulasikan kesan cahaya matahari. Kesan yang penting terhadap polipropilena maleik (MAPP) telah diperhatikan dan setiap peningkatan dalam sifat tegangan dan pengurangan penyerapan air dalam komposit PP / DSNF telah direkod. Indeks warna komposit meningkat dengan pendedahan radiasi UV. Imej mikroskop elektron penghantaran (TEM) menunjukkan DSNF telah disebarkan dengan baik dalam matriks PP dengan kehadiran MAPP.

Item Type:	Article (Journal)
Additional Information:	4130/64107
Uncontrolled Keywords:	Durian skin nanofibre, ultraviolet radiation, MAPP, color index, water absorption, Rhizophus oryzae
Subjects:	T Technology > TS Manufactures > TS195 Packaging
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button):	Kulliyyah of Engineering > Department of Manufacturing and Materials Engineering
Depositing User:	Dr Hazleen Anuar
Date Deposited:	22 Jun 2018 15:32
Last Modified:	27 Jun 2018 15:55
URI:	http://irep.iium.edu.my/id/eprint/64107

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