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The reuse of wastepaper for the extraction of cellulose nanocrystals

Danial, Wan Hazman and Abdul Majid, Zaiton and Mohd Muhid, Mohd Nazlan and Triwahyono, Sugeng and Bakar, Mohd Bakri and Ramli, Zainab (2015) The reuse of wastepaper for the extraction of cellulose nanocrystals. Carbohydrate Polymers, 118. pp. 165-169. ISSN 0144-8617

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The study reports on the preparation of cellulose nanocrystals (CNCs) from wastepaper, as an environmental friendly approach of source material, which can be a high availability and low-cost precursor for cellulose nanomaterial processing. Alkali and bleaching treatments were employed for the extraction of cellulose particles followed by controlled-conditions of acid hydrolysis for the isolation of CNCs. Attenuated total reflectance Fourier Transform Infrared (ATR FTIR) spectroscopy was used to analyze the cellulose particles extracted while Transmission electron microscopy images confirmed the presence of CNCs. The diameters of CNCs are in the range of 3–10 nm with a length of 100–300 nm while a crystallinity index of 75.9% was determined from X-ray diffraction analysis. The synthesis of this high aspect ratio of CNCs paves the way toward alternative reuse of wastepaper in the production of CNCs.

Item Type: Article (Journal)
Additional Information: 8124/85575
Uncontrolled Keywords: Cellulose, Cellulose nanocrystals, Wastepaper, Nanomaterials
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Kulliyyahs/Centres/Divisions/Institutes (Can select more than one option. Press CONTROL button): Kulliyyah of Science
Kulliyyah of Science > Department of Chemistry
Depositing User: Dr Wan Hazman Danial
Date Deposited: 10 Dec 2020 10:38
Last Modified: 22 Sep 2021 10:03
URI: http://irep.iium.edu.my/id/eprint/85575

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