Abstract
Plantation-grown poplar (Populus cathayana) is regarded as a source of low-quality wood, with poor dimensional stability and low decay resistance. In this study, poplar wood was impregnated with sodium montmorillonite (Na-MMT) or organo-montmorillonite (O-MMT), furfuryl alcohol (FA, at concentrations of 15%, 30% and 50%), separately or in their combinations to prepare clay treated, furfurylated, and clay-reinforced furfurylated wood, respectively. The two-step method by introducing Na-MMT first and then FA and organic modifier was feasible to achieve a reasonable penetration. These components could entirely enter the wood cell lumen or partly enter the wood cell wall, and thus initiate a series of reactions. Compared with Na-MMT reinforced furfurylated wood (M-F), the O-MMT reinforced furfurylated wood (O-F) exhibited better dimensional stability (ASE up to 71%) and decay resistance (3.2% mass loss). Moreover, O-MMT played a predominant role in decay resistance of O-MMT reinforced furfurylated wood. Even at low O-MMT loadings, the modified wood had a significant inhibitory effect on the white-rot decay fungus Trametes versicolor. Based on an overall evaluation, O-MMT reinforced furfurylated wood seemed to provide an optimal choice for both moist or wet conditions.
Funding source: The Fundamental Research Funds for the Central Universities of China http://dx.doi.org/10.13039/501100012226
Award Identifier / Grant number: 2019JQ03013
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Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
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Research funding: This research was financially supported by the Fundamental Research Funds for the Central Universities of China (2019JQ03013).
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Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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Supplementary Material
The online version of this article offers supplementary material (https://doi.org/10.1515/hf-2021-0110).
© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Original Articles
- Effect of solvent type on the formation rate of benzyl cation intermediate in acidolysis of lignin
- Evaluating efficacy of different UV-stabilizers/absorbers in reducing UV-degradation of lignin
- Inhibiting wood-water interactions by hydrothermal hemicellulose extraction combined with furfurylation
- Dimensional stability and decay resistance of clay treated, furfurylated, and clay-reinforced furfurylated poplar wood
- Improving the stability of beech wood with polyester treatment based on malic acid
- “Green technology” processing of pine (Pinus sylvestris L.) and larch (Larix sibirica Ledeb.) wood greenery to produce bioactive extracts
- Valorization of waste bark for biorefineries: chemical characterization of Eucalyptus camaldulensis inner and outer barks
- Short Notes
- Determination of chemical shifts in 6-condensed syringylic lignin model compounds
- CNT@PDMS/NW composite materials with superior electromagnetic shielding
Articles in the same Issue
- Frontmatter
- Original Articles
- Effect of solvent type on the formation rate of benzyl cation intermediate in acidolysis of lignin
- Evaluating efficacy of different UV-stabilizers/absorbers in reducing UV-degradation of lignin
- Inhibiting wood-water interactions by hydrothermal hemicellulose extraction combined with furfurylation
- Dimensional stability and decay resistance of clay treated, furfurylated, and clay-reinforced furfurylated poplar wood
- Improving the stability of beech wood with polyester treatment based on malic acid
- “Green technology” processing of pine (Pinus sylvestris L.) and larch (Larix sibirica Ledeb.) wood greenery to produce bioactive extracts
- Valorization of waste bark for biorefineries: chemical characterization of Eucalyptus camaldulensis inner and outer barks
- Short Notes
- Determination of chemical shifts in 6-condensed syringylic lignin model compounds
- CNT@PDMS/NW composite materials with superior electromagnetic shielding