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Polysaccharides for sustainable leather production: a review

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Abstract

Leather production for human protection has been an essential industrial activity since the start of civilization, yet classical leavering methods induce pollution of ecosystems by dyes, chromium-containing wastewater, and solid waste. Here, we review sustainable leather production using polysaccharides and modified polysaccharides, which are cheap, easy to obtain, and non-toxic. Polysaccharides include starch, chitosan, cellulose, and cyclodextrins. We discuss application for leather tanning, prevention of leather mildew, leather finishing and dyeing, and wastewater treatment. The leather properties meet the requirements of garment leathers, with tear strength higher than 18 N per mm and tensile strength higher than 6.5 MPa.

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Funding

This paper was financially supported by the National Natural Science Foundation of China (22078183 and 22108165), Natural Science Basic Research Program of Shaanxi (2021JQ-548), National Key R&D Program of China (2017YFB0308500), China Postdoctoral Science Foundation (No. 2022M711995), and Hubei Provincial Engineering Laboratory for Clean Production and High Value Utilization of Bio-Based Textile Materials (No. SWJ202211).

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Xuechuan Wang carried out investigation, funding acquisition, and validation. Shuang Liang did data curation, writing—original draft, and formal analysis. Long Xie provided methodology. Siwei Sun, Jin Yang, and Dngyu Hao performed software, conceptualization, and visualization. Xugang Dang provided conceptualization and reviewing and editing.

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Correspondence to Xuechuan Wang or Xugang Dang.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Liang, S., Wang, X., Sun, S. et al. Polysaccharides for sustainable leather production: a review. Environ Chem Lett (2024). https://doi.org/10.1007/s10311-024-01744-0

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  • DOI: https://doi.org/10.1007/s10311-024-01744-0

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