The reuse of wastepaper for the extraction of cellulose nanocrystals

被引：130

作者：

Danial, Wan Hazman ^{[1
]}

Majid, Zaiton Abdul ^{[1
,2
]}

Muhid, Mohd Nazlan Mohd ^{[1
]}

Triwahyono, Sugeng ^{[1
,3
]}

Bakar, Mohd Bakri ^{[1
]}

Ramli, Zainab ^{[1
]}

机构：

[1] Univ Teknol Malaysia, Dept Chem, Fac Sci, Utm Johor Bahru 81310, Johor, Malaysia

[2] Univ Teknol Malaysia, Inst Environm & Water Resource Management, Utm Johor Bahru 81310, Johor, Malaysia

[3] Univ Teknol Malaysia, Ibnu Sina Inst Fundamental Sci Studies, Utm Johor Bahru 81310, Johor, Malaysia

来源：

CARBOHYDRATE POLYMERS | 2015年 / 118卷

关键词：

Cellulose; Cellulose nanocrystals; Wastepaper; Nanomaterials; WHISKERS; BEHAVIOR; FIBERS; ACID;

D O I：

10.1016/j.carbpol.2014.10.072

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

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. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：165 / 169

页数：5

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