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题名: Cellulose-based films prepared directly from waste newspapers via an ionic liquid
作者: Xia, Guangmei1, 2; Wan, Jiqiang1, 2; Zhang, Jinming1; Zhang, Xiaoyu3; Xu, Lili3; Wu, Jin1; He, Jiasong1; Zhang, Jun1, 2
关键词: Waste newspaper ; Ionic liquid ; Cellulose based film ; Cellulose
刊名: CARBOHYDRATE POLYMERS
发表日期: 2016-10-20
卷: 151, 页:223-229
收录类别: SCI
英文摘要: Waste newspapers, composed of cellulose (>60 wt%), lignin (-15 wt%), hemicellulose (-10 wt%) and other additives, are one kind of low-cost, easily collected and abundant resources. In order to get value-added products from this waste, in this work an attempt was made to directly convert waste newspapers into cellulose-based films by employing an ionic liquid 1-allyl-3-methylimidazolium chloride (AmimCl) as a solvent. Most of the organic substances in this waste were dissolved quickly in AmimCl under mild conditions, and then coagulated and dried. Although containing lignin, hemicellulose and inorganic additives, the regenerated cellulose-based films were smooth, compact and semi-transparent, and exhibited good mechanical properties. If the newspaper/AmimCl solution was filtered to remove undissolved inorganic substances, the regenerated films became transparent and had a tensile strength of 80 MPa. Thus, this work provides a new, simple and highly efficient way to achieve a high-valued utilization of waste newspapers for packaging and wrapping. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35217
Appears in Collections:工程塑料实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, CAS Key Lab Engn Plast, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
3.Shandong Henglian New Mat Co Ltd, Weifang 261061, Shandong, Peoples R China
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