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Branchwood Properties of Two Tilia Species Collected from Natural Secondary Forests in Northeastern China

Forests, 2023-04, Vol.14 (4), p.760 [Peer Reviewed Journal]

2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;ISSN: 1999-4907 ;EISSN: 1999-4907 ;DOI: 10.3390/f14040760

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  • Title:
    Branchwood Properties of Two Tilia Species Collected from Natural Secondary Forests in Northeastern China
  • Author: Guo, Pingping ; Zhao, Xiping ; Feng, Qi ; Yang, Yongqiang
  • Subjects: Acids ; branch ; Branches ; Cellulose ; Chemical composition ; Chipping ; Cold ; Commercial species ; Compressive strength ; Cytology ; Fibers ; Lignin ; Mechanical properties ; Morphology ; Paper products ; Papermaking ; papermaking material ; Physical properties ; Plant species ; Precipitation ; Pulping ; Slenderness ratio ; Tilia ; Tilia amurensis Rupr ; Tilia mandshurica Rupr. & Maxim ; Trees ; wood properties
  • Is Part Of: Forests, 2023-04, Vol.14 (4), p.760
  • Description: Tilia amurensis Rupr. and Tilia mandshurica Rupr. and Maxim. are two essential commercial species, though there is surprisingly little concern about whether their branches can be used in the current situation of a wood shortage in China. In this study, tissue proportions and fiber morphology, physical and mechanical properties, and chemical composition of the branchwood were studied and compared with stemwood to evaluate the potential for papermaking. The branchwood and stemwood showed similar cell arrangement but different tissue proportions and fiber morphology. The branchwood had more than 40% fiber proportion, 90%–97% below 0.9 mm in length, 75%–90% less than 33 in slenderness ratio, and 80% less than 1 in Runkel ratio. The branchwood was as light and soft as stemwood with a density of 0.32–0.36 g/cm3 and a compressive strength of about 30 MPa. The branchwood had 6% water extractives, 66% holocellulose, and 22% lignin for T. amurensis, 58% holocellulose and 30% lignin for T. mandshurica. The results suggest the branchwood is favorable for mechanical chipping, has the potential to obtain high pulp yield and its fibers can be mixed with wide, long and thick fibers from other tree species to produce specific paper products. In contrast, T. mandshurica branchwood may not be suitable for chemical pulping.
  • Publisher: Basel: MDPI AG
  • Language: English
  • Identifier: ISSN: 1999-4907
    EISSN: 1999-4907
    DOI: 10.3390/f14040760
  • Source: ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
    DOAJ Directory of Open Access Journals
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