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Biodegradable mushroom-based transparent paper

Syifa, Zainab and Wan Nawawi, Wan Mohd Fazli (2018) Biodegradable mushroom-based transparent paper. International Journal For Technological Research In Engineering (Special Issue). pp. 14-18. E-ISSN 2347-4718

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There is growing interest towards biopolymerbased nanofibres due to its superior mechanical properties and environmentally friendly functions. Chitin nanofibres may be of interest as a component for nanocomposites. Decolourisation effectively enhance the desirability of chitin nanofibres as it can be used without changing the natural colour of base materials.Decolourised chitin nanofibres from waste Pleurotus ostreatus (oyster mushroom) is biocompatible, biodegradable and sustainable. It combat issues existing with the current commercial source of chitin, crustacean shells, which are more difficult to culture, limited to seasonal and geographical aspects and have inconsistent quality due to water pollution. In the present study, chitin nanofibre was extracted using hot water extraction and through a deproteinisation process using NaOH. Chitin thin film was prepared using a filtration method and decolourised using H2O2 at different concentrations. The mechanical properties of decolourised films were tested using a tensile machine. The results showed that the most optimum condition for chitin thin film was 60% H2O2 for 18 h at 40 °C with a tensile strength, modulus and toughness of 26 MPa, 10 GPa and 108 MJm-3 respectively. It was found that fungal-based chitin have a higher toughness than commercial crustacean-based chitin. Chitin nanofibres derived from mushrooms have a high potential in developing nanomaterials and biocomposites.

Item Type: Article (Journal)
Additional Information: 7777/74172
Uncontrolled Keywords: Decolourisation, chitin nanofibre, chitin thin film, tensile machine
Subjects: T Technology > TP Chemical technology > TP1080 Polymers, plastics and their manufacture
T Technology > TP Chemical technology > TP155 Chemical engineering
T Technology > TP Chemical technology > TP248.13 Biotechnology
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Engineering > Department of Biotechnology Engineering
Depositing User: Wan Mohd Fazli Wan Nawawi
Date Deposited: 24 Sep 2019 12:04
Last Modified: 24 Sep 2019 12:04
URI: http://irep.iium.edu.my/id/eprint/74172

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