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Synthesis and structure of carboxymethylcellulose with a high degree of substitution derived from waste disposable paper cups

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Jun 2020Publisher:Elsevier BVJournal:Carbohydrate Polymers, volume 237, page 116,040 (issn: 0144-8617,

Authors: Jing Chen; Huan Li; Changqing Fang; Youliang Cheng; Tingting Tan; Hanzhi Han;

doi: 10.1016/j.carbpol.2020.116040

pmid: 32241422

Synthesis and structure of carboxymethylcellulose with a high degree of substitution derived from waste disposable paper cups

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Abstract

The cost of the cellulose derived from some raw materials was high. In addition, the dispersion of the cellulose with special shape and a low degree of substitution (DS) in water-soluble polymers was poor. To resolve this problem, cellulose was separated from waste disposable paper cups (WDPC) and then the carboxymethylcellulose (CMC) was synthesized by etherification. Under the optimized conditions (the etherification temperature of 70 ℃, the etherification time of 1.5 h, the monochloroacetic acid mass (C2H3ClO2) of 7 g), the DS of CMC was as high as 1.21. As-prepared CMC showed ribbon and rod-like shapes with a diameter of 25-50 μm. In addition, they exhibited an excellent thermal stability. Compared with other CMC, we could infer that as-prepared CMC in this paper will have potential applications in flexible composites and functional materials.

Related Organizations

Xi'an University of Technology
China (People's Republic of)
Northwestern Polytechnical University
China (People's Republic of)
MediaTech Institute
United States
Northwestern Polytechnical University
China (People's Republic of)
MediaTech Institute
United States

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