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- Jiang, Pan (author)
Toward well-defined colloidal particles : Efficient fractionation of lignin by a multi-solvent strategy
- Article/chapterEnglish2024
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- 2024
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- LIBRIS-ID:oai:DiVA.org:su-224622
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-224622URI
- https://doi.org/10.1016/j.ijbiomac.2023.127948DOI
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- Language:English
- Summary in:English
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- Colloidal lignin particles (CLPs) have sparked various intriguing insights toward bio-polymeric materials and triggered many lignin-featured innovative applications. Here, we report a multi-solvent sequential fractionation methodology integrating green solvents of acetone, 1-butanol, and ethanol to fractionate industrial lignin for CLPs fabrication. Through a rationally designed fractionation strategy, multigrade lignin fractions with variable hydroxyl group contents, molecular weights, and high purity were obtained without altering their original chemical structures. CLPs with well-defined morphology, narrow size distribution, excellent thermal stability, and long-term colloidal stability can be obtained by rational selection of lignin fractions. We further elucidated that trace elements (S, N) were reorganized onto the near-surface area of CLPs from lignin fractions during the formation process in the form of -SO42− and -NH2. This work provides a sustainable and efficient strategy for refining industrial lignin into high-quality fractions and an in-depth insight into the CLPs formation process, holding great promise for enriching the existing libraries of colloidal materials.
Subject headings and genre
- TEKNIK OCH TEKNOLOGIER Materialteknik Pappers-, massa- och fiberteknik hsv//swe
- ENGINEERING AND TECHNOLOGY Materials Engineering Paper, Pulp and Fiber Technology hsv//eng
- Lignin
- Colloidal particles
- Solvent fractionation
- Element distribution
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- Pang, Bo,1990-Stockholms universitet,Institutionen för material- och miljökemi (MMK)(Swepub:su)bopa6207 (author)
- Li, Gaiyun (author)
- Han, Yanming (author)
- Chu, Fuxiang (author)
- Stockholms universitetInstitutionen för material- och miljökemi (MMK) (creator_code:org_t)
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- In:International Journal of Biological Macromolecules254:30141-81301879-0003
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