Article
Forestry
Thomas L. Eberhardt, Keonhee Kim, Nicole Labbe, Lisa J. Samuelson
Summary: The study found that wood samples from the Mississippi site had lower lignin content and higher glucose and mannose contents compared to samples from the North Carolina and Hawaii sites. This relationship between latewood formation and lignin content appeared to be different. The Hawaii site had a lower percentage of latewood, but similar lignin content to the North Carolina site.
EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS
(2023)
Article
Materials Science, Paper & Wood
Hui Kang, Jie Guo, Xiang-tong Gai, Jian He, Xian-wu Zhou, Ke Song
Summary: In this study, lactic acid was prepared from waste biomass Pueraria cellulose through chemically catalyzed conversion. A lignin-based carbon solid acid catalyst was obtained by modifying the carbonaceous support with Al and Zn chlorides. The optimal catalyst was identified, and the reaction conditions were optimized to achieve high conversion rate and yield of lactic acid. This research provides a new pathway for the preparation of chemicals from cellulose.
Article
Materials Science, Paper & Wood
Junzhi Ma, Fengfeng Feng, Yan Song, Yu Wu, Shaohai Fu, Dong Wang, Minghai Qu
Summary: Bisneopentyl glycol dithiocarboxyphosphate (DDPS) was modified by coating sulfonated melamine formaldehyde resins onto its surface, resulting in the formation of intumescent microcapsule DDPS (MDDPS). MDDPS was then incorporated into viscose fiber spinning solution to prepare flame retardant MDDPS/viscose fiber. The MDDPS/viscose fiber exhibited improved flame retardant efficiency and maintained mechanical properties.
Article
Materials Science, Paper & Wood
Wei Wang, Zhixi Xu, Jiahui Xu, Huaifang Wang, Xiaoqing Guo, Zhaoqing Gong, Chuanjie Zhang
Summary: A two-step NaOH/Na2S2O4 method was proposed to improve the decolorization efficiency of reactive-dyed cotton fabric. The decolorization mechanism of NaOH and Na2S2O4 was investigated, and it was found that Na2S2O4 decolorized the fabric more quickly than NaOH. The two-step method reduced the ineffective decomposition of Na2S2O4, resulting in a 16% higher CIE L value and retention of about 90% of the fabric's breaking strength.
Article
Materials Science, Paper & Wood
Zikang Deng, Guohui Zhou, Timing Fang, Kuanjun Fang, Xiaomin Liu
Summary: The dissolution and regeneration process of cellulose in NMMO aqueous solution was studied using molecular dynamics simulation. The concentration of NMMO aqueous solution has a significant impact on the structure of cellulose.
Article
Materials Science, Paper & Wood
E. Luengo, S. Gilabert-Sanz, J. V. Oliver-Villanueva, C. Osuna-Sequera, E. Hermoso
Summary: In this research, an innovative construction system based on stressed-skin panels made of thin CLT skins and finger-jointed wood ribs was designed. The aim was to add value to underused wood and improve the efficiency in the use of wood. These panels were combined with cork insulation materials to create high natural and renewable building products for better energy efficiency. The results contribute to the development of local economies in rural regions in Southwestern Europe through sustainable wood-based construction.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Article
Materials Science, Paper & Wood
Marie-France Thevenon, Corrado Cremonini, Francesco Negro, Roberto Zanuttini
Summary: Sweet chestnut wood can be used with poplar to manufacture fungal-resistant Oriented Strand Board (OSB/3) with potential applications in humid environments. Experimental results showed that OSB/3 made with sweet chestnut wood had superior fungal resistance compared to poplar-based boards. This highlights the broad potential of sweet chestnut wood in various applications.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Article
Materials Science, Paper & Wood
Ismaeil Zahedi Tajrishi, Reza Oladi, Asghar Tarmian, Ehsan Bari
Summary: This study compared the wood destruction patterns of fungus and bacteria and found that bacteria showed more selective consumption of wood components, making them a better choice for controlled wood destruction.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Article
Materials Science, Paper & Wood
Priya Bisht, Krishna K. Pandey
Summary: Transparent wood composite (TWC) is a wood-based polymer composite with high optical transmittance and good mechanical properties, making it suitable for a wide range of applications including smart windows, energy-efficient equipment, display panels, light diffusers, and solar cell substrates. TWC shows excellent resistance to water absorption and fungal attack, making it highly reliable for moisture-sensitive and fungal-sensitive applications.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Review
Materials Science, Paper & Wood
Salla Hiltunen, Janak Sapkota, Eleni Ioannou, Majid Haddad Momeni, Emma Master, Matti Ristolainen
Summary: Cellulose activation plays a crucial role in various industrial processes, and expansin-related proteins have the potential to enhance enzymatic hydrolysis of cellulosic substrates for biofuel production. This review compares conventional and emerging technologies for cellulose activation and evaluates the potential of expansin-related proteins, while also presenting future applications.
Article
Materials Science, Paper & Wood
Sharmin Islam, Razia Sultana Popy, M. Nur Alam Likhon, M. Mostafizur Rahman, M. Sarwar Jahan
Summary: Trema orientalis and Trewia nudiflora, the fastest rotation trees in Bangladesh, were experimentally planted for social forestry in Gazipur district. Biorefinery was conducted to fractionate the two species into pulp, lignin, and hemicellulose for circular bioeconomy. The resulting pulp showed high alpha-cellulose content and brightness after bleaching, while the lignin from the spent liquor demonstrated potential use in phenol-formaldehyde resin preparation. The pentose sugars in the lignin-rich liquor were successfully converted to furfural.
NORDIC PULP & PAPER RESEARCH JOURNAL
(2023)
Article
Forestry
Zhenyu Wei, Xiangnan Kong, Bin Jia, Shitao Xia, Shuguang Han
Summary: Nanofluid MUF resin adhesives, prepared by dispersing SiO2 and TiO2 nanoparticles into the MUF resin, showed improved thermal conductivity and reduced formaldehyde emissions. The addition of nanoparticles increased viscosity, decreased curing time, and lowered free formaldehyde content. These nanofluid adhesives exhibited higher bonding strengths and lower formaldehyde emissions in plywood manufacturing, allowing for reduced hot-pressing temperature or shortened hot-pressing time.
EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS
(2023)
Article
Materials Science, Paper & Wood
Goomin Kwon, Youngsang Ko, Kangyun Lee, Youngho Jeon, Suji Lee, Chanhui Lee, Jungmok You
Summary: Cellulose-based electrothermal composites have attracted considerable attention from academia and industry due to their versatility, abundance, low cost, and sustainability. In this study, a novel strategy for fabricating flexible, transparent electrothermal heaters was developed using silver nanowire/poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) electrothermal composites and a regenerated cellulose matrix. The resulting composite films demonstrated excellent optical transmittance, low sheet resistance, rapid heating response, uniform heat distribution, and structural stability, making them ideal for green, flexible, transparent film heaters.
Article
Forestry
Xiang Chi, Chenghui Wu, Yaohui Liu, Zhipeng Zhu, Xiaoxue Song, Zechun Ren, Guangping Han, Wanli Cheng, Stavros Avramidis
Summary: Variations in seasonal conditions impact the wood-water relations and dimensional stability during solar drying. Different models can be used to simulate drying kinetics during different seasons. Wood dimensional changes are most significant in summer and least in fall. Further research is needed to provide a theoretical basis and develop models to address the seasonality of solar drying.
WOOD SCIENCE AND TECHNOLOGY
(2023)
Article
Materials Science, Paper & Wood
Hanincova Ludka, Pedzik Marta, Majka Jerzy, Sydor Maciej, Rogozinski Tomasz
Summary: The study aimed to assess the particle-size distribution of the finest dust produced during sanding of unmodified and thermally modified pine wood and formulate an empirical model. The results showed that sanding of thermally modified wood generated more fine dust, with lower feed speeds and larger grit sizes resulting in higher fine dust content. The mass share of dust produced during sanding was significantly higher for thermally modified wood compared to unmodified wood.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Article
Materials Science, Paper & Wood
Carlos Arce, Tamara Llano, Alvaro Mowinckel, Alberto Coz
Summary: This study demonstrates the effectiveness of deep eutectic solvents as a pretreatment method for producing viscose from dissolving pulp. By increasing cellulose reactivity and reducing CS2 consumption, the optimal conditions were determined, leading to a significant improvement in reactivity.
Article
Materials Science, Paper & Wood
Xue Li, Kuanjun Fang, Lujian Shi, Zhen Xue, Baohua Feng, Qiumeng Zheng, Zhangcao Xiao, Ruyi Xie
Summary: Lyocell fiber is a low-carbon fiber with promising application prospects. In this study, a eco-friendly and efficient crosslinking method was used to prepare lyocell fabric with low fibrillation tendency. The results showed that the crosslinked lyocell fabric had improved wear resistance and no reduction in whiteness, mechanical property, and dyeing performance.
Article
Materials Science, Paper & Wood
Yuan Wang, Zhi-Gang Wang, Yi-Hao He, Stavros Avramidis
Summary: This study introduces unsupervised learning into the field of wood identification and proposes a new wood-identification model. The model utilizes a conditional variational autoencoder and a deep clustering model to extract more discriminative deep features, addressing the issues of fewer labeled samples and the difficulty of extracting discriminative features in traditional clustering algorithms.
WOOD MATERIAL SCIENCE & ENGINEERING
(2023)
Article
Materials Science, Paper & Wood
Ana Iglesias-Mejuto, Nanthilde Malandain, Tania Ferreira-Goncalves, Ines Ardao, Catarina Pinto Reis, Anna Laromaine, Anna Roig, Carlos A. Garcia-Gonzalez
Summary: This study successfully constructed nanostructured cellulose scaffolds based on 3D-printing and supercritical carbon dioxide technology, which exhibited high porosity and personalized morphologies. The scaffolds were decorated with superparamagnetic iron oxide nanoparticles. Biocompatibility and functionalization of the cellulose scaffolds were confirmed through various tests.
Article
Materials Science, Paper & Wood
Masoumeh Mohammadnejad, Arezoo Roshan, Shokoofeh Geranmayeh
Summary: The main purpose of this study is to design and manufacture a water treatment filter using a metal-organic framework to remove pollutants from aqueous solutions with high efficiency. The synthesized filter showed effective removal of meloxicam from the solution and remained stable and efficient after desorption, indicating promising potential for practical applications.
