Facile isolation of cellulose nanofibers from soybean residue

文献类型: 外文期刊

第一作者: Wang, Li

作者: Wang, Li;Cui, Qihua;Pan, Siwen;Li, Yige;Yang, Huijiao;Zhang, Qiang;Jin, Yajie;Li, Tao

作者机构:

关键词: Soybean residue; Cellulose nanofibers; Rheological properties; Transparent film

期刊名称:CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS ( 影响因子:5.5; 五年影响因子:5.5 )

ISSN: 2666-8939

年卷期: 2021 年 2 卷

页码:

收录情况: SCI

摘要: The residue of soybean after extraction of oils, proteins, and soluble polysaccharides is rich in cellulose but not well utilized. Here, we exploited the soybean residue as a raw material to isolate cellulose nanofibers via a robust chemical-mechanical process. The soybean cellulose nanofibers (SCNFs) possessed similar to 50 nm diameter and micrometer-scale length. They possessed a high degree of crystallinity (75.9%), negative surface charge (-22.5 mV), and high thermal stability. The hydrogel of SCNFs represented a typical shear-thinning behavior. The viscosity of the hydrogel was influenced by pH, ionic strength, ethanol, and temperature. SCNFs could also be made into flexible and transparent films with high tensile strength, which could be a raw material for food packages. Overall, soybean residue is a cost-effective source to produce cellulose nanofibers.

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