Improved properties of bamboo by thermal treatment with wood wax oil

Piao, Xixi; Zhao, Zhengbo; Guo, Hanxiang; Wang, Zhe; Jin, Chunde

doi:10.1016/j.colsurfa.2022.128807

Cited by 15 publications

(7 citation statements)

References 23 publications

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“…Therefore, the crystallinity index of treated bamboo specimens increased. In addition, the decomposition of the para-crystalline part of cellulose can also make a positive contribution to the increment of cellulose crystallinity index [ 19 , 20 , 21 , 22 ].…”

Section: Resultsmentioning

confidence: 99%

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Multi-Scale Evaluation of the Effect of Thermal Modification on Chemical Components, Dimensional Stability, and Anti-Mildew Properties of Moso Bamboo

et al. 2022

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By promoting greenhouse gas sequestration, bamboo and bamboo-based products can improve carbon storage, and thus help decrease greenhouses gas emission through replacing traditional products like concrete, steel, and alloy. Thermal modification is a useful way to effectively enhance the dimensional stability and mold-resistance property of bamboo and bamboo-based products compared with chemical treatment. This work investigates the change in anti-mildew properties, micro-structure, and chemical composition of bamboo after heat treatment. Saturated steam heat treatment was applied for this project. SEM results showed that the structural damage of parenchyma cells resulted in the separation of thin-walled cells and vascular bundles. Thus, the original regular structure of bamboo, characterized by plump and intact cells, changed markedly. After thermal modification, bamboo samples exhibited improved dimensional stability and anti-fungal properties due to the decrement of hemicellulose and cellulose. The hardness and MOE of the modified bamboo were 0.75 and 20.6 GPa, respectively.

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Section: Resultsmentioning

confidence: 99%

“…Nanoindentation (NI) can directly reveal the response between the thermal modification parameters and micro-mechanical properties of bamboo cell walls [ 20 ]. Thus, it is meaningful to investigate the change in nano-mechanics of bamboo at the cell-wall level [ 21 ].…”

Section: Introductionmentioning

confidence: 99%

Multi-Scale Evaluation of the Effect of Thermal Modification on Chemical Components, Dimensional Stability, and Anti-Mildew Properties of Moso Bamboo

et al. 2022

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“…Oil heat treatment is a crucial method for bamboo thermal modification, employing vegetable oils like tung oil, linseed oil, palm oil, or mineral oils such as methyl silicone oil as the heat transfer medium [37][38][39][40][41]. Firstly, it achieves efficient heat transfer, ensuring For example, Yuan et al aimed to assess the impact of saturated steam treatment on bamboo, exploring the influence of temperature and duration.…”

Section: Oil Heat Treatmentmentioning

confidence: 99%

Modification and Application of Bamboo-Based Materials: A Review—Part I: Modification Methods and Mechanisms

Zheng,

Yan,

Lou

et al. 2023

Forests

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In light of continual societal advancement and escalating energy consumption, the pursuit of green, low-carbon, and environmentally friendly technologies has become pivotal. Bamboo, renowned for its diverse advantages encompassing swift growth, ecological compatibility, robust regenerative properties, commendable mechanical characteristics, heightened hardness, and abundant availability, has discovered applications across various domains, including furniture and construction. Nevertheless, natural bamboo materials are plagued by inherent limitations, prominently featuring suboptimal hydrophobicity and vulnerability to fracture, thereby constraining their broad-scale application. Thus, the paramount concern is to enhance the performance of bamboo materials through modification. However, prevailing reviews of bamboo modification predominantly concentrate on physical or chemical approaches, resulting in a conspicuous absence of a comprehensive overview of bamboo modification techniques. This review explores an array of bamboo treatment modalities and delivers a valuable assessment of bamboo modification, offering significant guidance for forthcoming bamboo enhancement and utilization endeavors.

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“…Bionic, artificial superhydrophobic coatings can be formed by combining low surface free energy components with hierarchical nano-or microstructures [9]. Furthermore, these fabricated superhydrophobic coatings endow the wood or wood-based product with multiple functions such as self-cleaning, anti-fogging, anti-corrosion, drag reduction, mildew resistance, and other functions.…”

Section: Introductionmentioning

confidence: 99%

Fabrication of Mildew-Resistant Wood with Multi-Functional Properties Based on In Situ Growth of Metal–Organic Frameworks

Liang,

Zhang,

et al. 2024

Polymers

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Wood is easily affected by decay fungi, mildew fungi, insects, water, UV, and other factors when used outdoors. In particular, mildew on the surface of wood negatively affects the appearance and practical use of wood or wood-based engineered products. In recent years, as a class of popular crystalline materials, metal–organic frameworks (MOFs) have been widely applied in electrochemistry, adsorption, anti-mildew efforts, and other areas. In this study, we first grew a Co-based metal–organic framework (Co-MOF) in situ on a wood surface and subsequently converted the Co-MOF in situ into a cobalt–nickel double hydroxide layer, which formed micro- and nanohierarchical composite structures on the wood surface. The low surface energy of the CoNi-DH@wood was further modified via impregnation with sodium laurate to obtain the superhydrophobic wood (CoNi-DH-La@wood). We characterized the microstructure, chemical composition, water contact angle, and anti-mold properties of the CoNi-DH-La@wood using SEM, XRD, XPS, water contact angle tests, and anti-fungal tests. The SEM, XRD, and XPS results confirmed that the metal–organic framework was coated on the wood surface, with the long-chain sodium laurate grafted onto it. The CoNi-DH-La@wood had a water contact angle of 151°, demonstrating excellent self-cleaning ability. In addition, the fabricated superhydrophobic balsa wood exhibited excellent chemical and environment stability. Lastly, the CoNi-DH-La@wood exhibited excellent anti-mildew properties in a 30-day anti-mildew test because the superhydrophobic coating was successfully coated on the wood surface. In summary, this work presents an attractive strategy for obtaining wood with superhydrophobic properties at room temperature, thereby endowing the wood or wood-based engineered products with excellent anti-mildew properties.

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Improved properties of bamboo by thermal treatment with wood wax oil

Cited by 15 publications

References 23 publications

Multi-Scale Evaluation of the Effect of Thermal Modification on Chemical Components, Dimensional Stability, and Anti-Mildew Properties of Moso Bamboo

Multi-Scale Evaluation of the Effect of Thermal Modification on Chemical Components, Dimensional Stability, and Anti-Mildew Properties of Moso Bamboo

Modification and Application of Bamboo-Based Materials: A Review—Part I: Modification Methods and Mechanisms

Fabrication of Mildew-Resistant Wood with Multi-Functional Properties Based on In Situ Growth of Metal–Organic Frameworks

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