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Toward well-defined...
Toward well-defined colloidal particles : Efficient fractionation of lignin by a multi-solvent strategy
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Jiang, Pan (författare)
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- Pang, Bo, 1990- (författare)
- Stockholms universitet,Institutionen för material- och miljökemi (MMK)
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Li, Gaiyun (författare)
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Han, Yanming (författare)
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Chu, Fuxiang (författare)
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(creator_code:org_t)
- 2024
- 2024
- Engelska.
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Ingår i: International Journal of Biological Macromolecules. - 0141-8130 .- 1879-0003. ; 254:3
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- 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.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Materialteknik -- Pappers-, massa- och fiberteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Materials Engineering -- Paper, Pulp and Fiber Technology (hsv//eng)
Nyckelord
- Lignin
- Colloidal particles
- Solvent fractionation
- Element distribution
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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