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Correlation of chemical, structural and thermal properties of natural fibres for their sustainable exploitation
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology. Instituto de Tecnología de Materiales (ITM), Escuela Técnica Superior de Ingeniería Del Diseño (ETSID), Universidad Politécnica, Spain.ORCID iD: 0000-0002-0252-337X
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology. KTH, School of Biotechnology (BIO), Glycoscience. KTH, School of Chemical Science and Engineering (CHE), Centres, Wallenberg Wood Science Center.ORCID iD: 0000-0003-3572-7798
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Wood Chemistry and Pulp Technology. University of Skövde, Sweden .ORCID iD: 0000-0002-5394-7850
2014 (English)In: Carbohydrate Polymers, ISSN 0144-8617, E-ISSN 1879-1344, Vol. 112, 422-431 p.Article in journal (Refereed) Published
Abstract [en]

The potential of lignocellulosic natural fibres as renewable resources for thermal conversion and material reinforcement is largely dependent on the correlation between their chemical composition, crystalline structure and thermal decomposition properties. Significant differences were observed in the chemical composition of cotton, flax, hemp, kenaf and jute natural fibres in terms of cellulose, hemicellulose and lignin content, which influence their morphology, thermal properties and pyrolysis product distribution. A suitable methodology to study the kinetics of the thermal decomposition process of lignocellulosic fibres is proposed combining different models (Friedman, Flynn-Wall-Ozawa, Criado and Coats-Redfern). Cellulose pyrolysis can be modelled with similar kinetic parameters for all the natural fibres whereas the kinetic parameters for hemicellulose pyrolysis show intrinsic differences that can be assigned to the heterogeneous hemicellulose sugar composition in each natural fibre. This study provides the ground to critically select the most promising fibres to be used either for biofuel or material applications.

Place, publisher, year, edition, pages
2014. Vol. 112, 422-431 p.
Keyword [en]
Natural fibres, Cellulose, Hemicellulose, Lignin, Crystalline content, Thermal properties
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-153234DOI: 10.1016/j.carbpol.2014.06.009ISI: 000341464600056Scopus ID: 2-s2.0-84903648921OAI: oai:DiVA.org:kth-153234DiVA: diva2:756077
Note

QC 20141016

Available from: 2014-10-16 Created: 2014-10-03 Last updated: 2017-12-05Bibliographically approved

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Vilaplana, FranciscoKarlsson, Sigbritt

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