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To obtain a suitable refining process for Pinus massoniana cellulose fibers (PMCF) and China fir cellulose fibers (CFCF), the effects of the beating gap and the pulp consistency on the physical properties and the morphology of the two cellulose fibers were investigated. The results showed that the physical properties of the PMCF and the CFCF were well affected by the beating gap and the pulp consistency. The CFCF showed a smaller weight-average length and width than that of the PMCF. The CFCF exhibited smaller weight-average length, width, and kink index than the PMCF. It is easy to get the high beating degree, indicating it is more easily to be refined. Additionally, the tensile index and burst index of PMCFP and CFCFP increased with increasing beating degree, while the tear index decreased. Compared to the CFCF, the paper made from PMCF had superior strength properties. Consequently, the PMCF was suitable for refining with a high pulp consistency and a medium beating gap, whereas the CFCF had a medium pulp consistency and a big beating gap.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering. tingjie.chen@ltu.se .
Department of Material Science and Engineering, Fujian Agriculture and Forestry University, Fuzhou.
Department of Material Science and Engineering, Fujian Agriculture and Forestry University, Fuzhou.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering.
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Number of Authors: 7
2016 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 11, no 3, 7839-7848 p.Article in journal (Refereed) Published
Abstract [en]

To obtain a suitable refining process for Pinus massoniana cellulose fibers (PMCF) and China fir cellulose fibers (CFCF), the effects of the beating gap and the pulp consistency on the physical properties and the morphology of the two cellulose fibers were investigated. The results showed that the physical properties of the PMCF and the CFCF were well affected by the beating gap and the pulp consistency. The CFCF showed a smaller weight-average length and width than that of the PMCF. The CFCF exhibited smaller weight-average length, width, and kink index than the PMCF. It is easy to get the high beating degree, indicating it is more easily to be refined. Additionally, the tensile index and burst index of PMCFP and CFCFP increased with increasing beating degree, while the tear index decreased. Compared to the CFCF, the paper made from PMCF had superior strength properties. Consequently, the PMCF was suitable for refining with a high pulp consistency and a medium beating gap, whereas the CFCF had a medium pulp consistency and a big beating gap.

Place, publisher, year, edition, pages
2016. Vol. 11, no 3, 7839-7848 p.
National Category
Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-60012DOI: 10.15376/biores.11.3.7839-7848ScopusID: 2-s2.0-84988650833OAI: oai:DiVA.org:ltu-60012DiVA: diva2:1040672
Note

Validerad; 2016; Nivå 2; 2016-10-28 (andbra)

Available from: 2016-10-28 Created: 2016-10-28 Last updated: 2016-10-28Bibliographically approved

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Chen, TingjieWang, AliceHagman, OlleKarlsson, Olov
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