Guest Editors
Yun Lu, Professor, Research Institute of Wood Industry, Chinese Academy of Forestry, China.
Yun Lu received her Ph.D. in Wood Science and Technology from Northeast Forestry University in 2014. She was a postdoctor with the mentor of Prof. Thomas Rosenau at the University of Natural Resources and Life Sciences, Vienna (BOKU). She is now working as a professor at the Research Institute of Wood Industry, Chinese Academy of Forestry. Her research concentrates on the fundamental research of "Wood structure elucidation, reorganization and functionalization from molecular perspectives".
Kunkun Tu, Institute for Building Materials, ETH Zürich, Zürich, Switzerland.
Kunkun Tu is a Postdoc in Wood Materials Science group of ETH Zürich. She received her doctoral degree in the same group in 2021. Prior to that, she received her master’s degree from Chinese Academy of Forestry and bachelor’s degree from Nanjing Forestry University. She has published 16 papers so far with total citations over 477 (H-index 11). She has been granted two patents. Her research interests have been focused on the functionalization of wood materials for advanced applications such as gas adsorption and separation, energy harvesting and conversion, and catalysis. She is also interested in functional wood materials characterization with different technics including Raman spectroscopy, Atomic force microscopy, and so on.
Jingpeng Li, Assistant Professor, China National Bamboo Research Center, China.
Jingpeng Li is an assistant professor at the Engineering Technology Research Center for Building and Decorating Materials of Bamboo State Forestry Administration, China National Bamboo Research Center. His current work focuses on the surface functionalization of bamboo and advanced applications of biomass materials. He also works as the guest editor or reviewer for more than 20 SCI journals.
Summary
The development of novel functional materials
based on renewable resources represents one of the main current challenges in
materials science. It is crucial for the transformation towards a sustainable
society and to reduce the pressure of mineral resource shortage and
anthropogenic environmental deteriorations. Wood and bamboo, as one of the most
abundant renewable resources, have raised increasing attention in materials
science. Owing to their outstanding mechanical properties, environmental
characteristics, and aesthetic appearance, wood and bamboo were widely used as
construction or furniture, but not as materials used in high-tech applications
in the past.
Nevertheless, in recent years, the
breakthroughs around the world on the functionalization of wood and
bamboo-based materials epitomize the tremendous yet largely unexplored
potential of such materials- a paradigm shift from their conventional usage.
The porous hierarchical structure and pronounced anisotropy of wood and bamboo
give them a variety of remarkable properties, yielding opportunities for the
design of functional materials.
This Special Issue titled “Functionalization
of Wood and Bamboo-based Materials” covers various potential topics include but
are not limited to the following:
• Functionalization
approaches of wood/bamboo by inorganic materials, polymers and organic
molecules
• Advanced
characterization methods for analyzing functionalized materials such as
spectroscopy (Raman and infrared), atomic force microscopy imaging, X-ray diffraction,
electron microscopy and so on.
• Advanced
applications based on wood and bamboo-based materials including energy storage
and conversion, water treatment, gas storage and separation, catalytic reactor,
sensor, tissue engineering, electromagnetic shielding, and light and thermal
management.
This Special Issue aims to increase the
knowledge of wood/bamboo functionalization by collecting the latest research
information. We are delighted to invite you to submit your work to contribute
to this Special Issue in the form of research articles or reviews.
Keywords
Wood, Bamboo, Functional materials, Advanced applications, Characterization technologies
Published Papers
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Open Access
ARTICLE
Microwave Drying of Scots Pine Lumber: Structure Changes, Its Effect on Liquid Permeability
Sheng He, Weiqi Leng, Yuhe Chen, Hongchen Li, Jingpeng Li, Zaixing Wu, Zizhang Xiao
Journal of Renewable Materials, Vol.11, No.1, pp. 321-331, 2023, DOI:10.32604/jrm.2023.022097
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Microwave (MW) drying method was adopted to enhance the liquid permeability of Scots pine lumber. Structure changes were characterized by stereoscope microscope, scanned electron microscope (SEM) and transmission electron microscope (TEM) examination. Pore parameters before and after MW treatment were detected by mercury intrusion porosimetry (MIP) method, and the effect of structure changes on liquid permeability were analyzed. As stereoscope microscope, SEM and TEM examination results shown, macro and micro checks mainly developed at intercellcular of tracheids, intercellular of ray parenchyma and tracheid, while these checks extend main along the radial-longitudinal plane. Pit border destruction, aspirated pits’ orus translocation and…
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Open Access
ARTICLE
Research on the Bending Impact Resistance and Transverse Fracture Characteristics of Bamboo under the Action of Falling Weight
Hao Jia, Benhua Fei, Changhua Fang, Huanrong Liu, Xiubiao Zhang, Xinxin Ma, Fengbo Sun
Journal of Renewable Materials, Vol.11, No.1, pp. 473-490, 2023, DOI:10.32604/jrm.2022.023548
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Drop weight impact tester was used to accurately measure the bending impact resistance of various parts of
Phyllostachys edulis, commonly known as moso bamboo, with a growth cycle of 3–8 years. Cellulose crystallinity in the bottom (
B), middle (
M) and top (
T) of bamboo at different ages was calculated using peak height analysis in X-ray
diffraction. Heatmap of Spearman correlation analysis was used to represent the correlation between chemical composition and impact mechanics. The breaking load (
BL), fracture energy (
FE) and impact deflection (
ID) of 3–8-yearold bamboo were found to be in the range of ~670–2120 N, ~5.17–15.55 J, and…
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Graphic Abstract
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Open Access
ARTICLE
A Primary Study on Mechanical Properties of Heat-Treated Wood via in-situ Synthesis of Calcium Carbonate
Dianen Liang, Zhenhao Ding, Qilin Yan, Redžo Hasanagić, Leila Fathi, Zi Yang, Longhao Li, Jianbo Wang, Houhua Luo, Qian Wang, Demiao Chu
Journal of Renewable Materials, Vol.11, No.1, pp. 435-451, 2023, DOI:10.32604/jrm.2022.023214
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract This study aims to improve the value of fast-growing wood and extend the heat-treated wood utilization using
inorganic calcium carbonate (CaCO
3) crystals via an in-situ synthesis method. CaCl
2 and Na
2CO
3 solutions with
a concentration ratio of 1:1 were successively introduced into the thermally modified poplar wood obtained by
steam heat treatment (HT) at 200°C for 1.5 and 3 h, resulting in the in-situ synthesis of CaCO
3 crystals inside
the heat-treated wood. The filling effect was best at the concentration of 1.2 mol/L. CaCO
3 was uniformly distributed in the cell cavities of the heat-treated wood, and some of the crystals were…
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Graphic Abstract
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Open Access
ARTICLE
Physical and Mechanical Properties of Catalpa bungei Clones and Estimation of the Properties by Near-Infrared Spectroscopy
Rui Wang, Lanlan Shi, Yurong Wang
Journal of Renewable Materials, Vol.10, No.12, pp. 3285-3302, 2022, DOI:10.32604/jrm.2022.020546
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Air-dry density, modulus of rupture (MOR), modulus of elasticity (MOE), compressive strength parallel to grain,
and hardness of
Catalpa bungei clones were investigated in this study with feasibility of predicting these properties
by near-infrared (NIR) spectroscopy. The best candidate ‘Luoqiu 3’ has been selected from three clones based on
wood physical and mechanical property indices. Lower values of wood physical and mechanical properties have
been found in the corewood compared to the outerwood. There were significant positive correlations between the
air-dry density and mechanical properties. Information from cross section for air-dry density, compressive
strength parallel to grain, and hardness yielded…
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Open Access
ARTICLE
Research on Rosewood Micro Image Classification Method Based on Feature Fusion and ELM
Xiaoxia Yang, Yisheng Gao, Shuhua Zhang, Zhedong Ge, Yucheng Zhou
Journal of Renewable Materials, Vol.10, No.12, pp. 3587-3598, 2022, DOI:10.32604/jrm.2022.022300
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Rosewood is a kind of high-quality and precious wood in China. The correct identification of rosewood species is
of great significance to the import and export trade and species identification of furniture materials. In this paper,
micro CT was used to obtain the micro images of cross sections, radial sections and tangential sections of 24 kinds
of rosewood, and the data sets were constructed. PCA method was used to reduce the dimension of four features
including logical binary pattern, local configuration pattern, rotation invariant LBP, uniform LBP. These four features and one feature not reducing dimension (rotation invariant uniform LBP)…
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Graphic Abstract
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Open Access
ARTICLE
Acoustics Performance Research and Analysis of Light Timber Construction Wall Elements Based on Helmholtz Metasurface
Si Chen, Yuhao Zhou, Sarah Mohrmann, Haiyan Fu, Yuying Zou, Zheng Wang
Journal of Renewable Materials, Vol.10, No.11, pp. 2791-2803, 2022, DOI:10.32604/jrm.2022.021531
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Based on the efficient sound absorption characteristics of Helmholtz resonance structures in the range of medium
and low frequency acoustic waves, this paper investigates an effective solution for light timber construction walls
with acoustic problems. This study takes the light timber construction wall structure as the research object. Based
on the Helmholtz resonance principle, the structure design of the wall unit, impedance tube experiment and
COMSOL MULTIPHYSICS simulation calculation were carried out to obtain the change rule of acoustic performance of the Helmholtz resonance wall unit structure. The research results show that the overall stability of sound
insulation of the…
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Graphic Abstract
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Open Access
ARTICLE
Strength Performance and Microstructure Characteristic of Naturally-Bonded Fiberboard Composite from Malaysian Bamboo (Bambusa vulgaris)
Shahril Anuar Bahari, Mohd Nazarudin Zakaria, Syaiful Osman, Falah Abu, Mohamad Jani Saad, Reza Hosseinpourpia
Journal of Renewable Materials, Vol.10, No.10, pp. 2581-2591, 2022, DOI:10.32604/jrm.2022.021313
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract This study investigated the mechanical properties and microstructural characteristics of fiberboard composite produced by naturally-bonded Malaysian bamboo fiber (
Bambusa vulgaris). The components that obtained through soda pulping of bamboo culms such as fiber and black liquor, were used for the preparation of high-density fibreboard composite at two target densities of 850 and 950 kg/m
3. The bamboo fiberboard composite (BFC) were then produced at 200°C and two pressing parameters of 125 and 175 s/mm. The mechanical properties, e.g., flexural strength and internal bonding (IB) of BFC samples were evaluated according to BS EN 310: 1993 and BS EN 319: 1993, respectively. It was…
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Graphic Abstract
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Open Access
ARTICLE
Engineered Wood/Bamboo Laminated Composites for Outdoor Hydrophilic Platforms: Structural Design and Performance
Lifeng Ji, Qiuxia Zhang, Fei Rao
Journal of Renewable Materials, Vol.10, No.9, pp. 2477-2487, 2022, DOI:10.32604/jrm.2022.021761
（This article belongs to this Special Issue:
Functionalization of Wood and Bamboo-Based Materials)
Abstract Landscape designers increasingly prefer to use wood/bamboo-based composites for outdoor hydrophilic platforms owing to their natural surface texture, high performance, and sustainability to facilitate extensive interaction between people and water and enable the full range of ecological functions of water resources. In this study,
four laminated composite (LC) structures were designed and manufactured using fluffed bamboo and wood
veneers. Their surface textures, profile densities, water resistances, and mechanical properties were then evaluated.
The type of fluffed veneer of the surface layer determined the texture of the LC surface. The specific structures of
fluffed bamboo and wood veneer laminations were found…
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