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Variation in the hi...
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Liu, JiliangESRF European Synchrotron Radiation Facility, France
(författare)
Variation in the hierarchical structure of lignin-blended cellulose precursor fibers
- Artikel/kapitelEngelska2023
Förlag, utgivningsår, omfång ...
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Elsevier B.V.2023
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LIBRIS-ID:oai:DiVA.org:ri-61554
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https://urn.kb.se/resolve?urn=urn:nbn:se:ri:diva-61554URI
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https://doi.org/10.1016/j.ijbiomac.2022.11.211DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Funding details: Vetenskapsrådet, VR, 2018-06378; Funding text 1: Vinnova is gratefully acknowledged for financial support, grant nr. 2020-00831 . We gratefully thank Dr. Hanna Ulmefors for her productive comments on our paper. S.Y. acknowledge Swedish Research Council (VR) financial support nr. 2018-06378 . This is an ID13 inhouse project.
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Regenerated cellulose fibers have been considered as potential precursor fibers for carbon fibers because of their balanced cost and performance. Increased attention has been paid to blending lignin with the regenerated cellulose to generate precursor fibers which render good mechanical properties and higher carbon yield. The mechanical properties of carbon fibers have been found closely correlated to the structure of precursor fibers. However, the effects of lignin blending on molecular- and morphological structure of the precursor are still unclear. This study aims at clarifying the structural information of lignin–cellulose precursor fibers from molecular level to mesoscale by scanning X-ray microdiffraction. We present the existence of a skin–core morphology for all the precursor fibers. Increase of lignin content in precursor fiber could reduce the portion of skin and cause obvious disorder of the meso- and molecular structure. By correlating structural variations with lignin blending, 30% lignin blending has been found as a potential balance point to obtain precursor fibers maintaining structural order together with high yield rate.
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Bengtsson, JennyRISE,Polymera material och kompositer(Swepub:ri)jennyben@ri.se
(författare)
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Yu, ShunRISE,Material- och ytdesign(Swepub:ri)shunyu@ri.se
(författare)
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Burghammer, ManfredESRF European Synchrotron Radiation Facility, France
(författare)
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Jedvert, KerstinRISE,Polymera material och kompositer(Swepub:ri)kerstin.jedvert@ri.se
(författare)
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ESRF European Synchrotron Radiation Facility, FrancePolymera material och kompositer
(creator_code:org_t)
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Ingår i:International Journal of Biological Macromolecules: Elsevier B.V.225, s. 1555-0141-81301879-0003
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