Article
Materials Science, Multidisciplinary
Guxia Wang, Zhaoshuai Li, Jun Yan, Yongqiang Qian, Yen Wei, Dan Li, Shengwei Guo
Summary: A value-added strategy of combining modified coal fly ash (CFA) with polyvinyl chloride (PVC) was adopted to produce CFA/PVC composites, which exhibited excellent mechanical properties and were successfully utilized for decking boards. This strategy not only solves the problems caused by coal resources utilization but also provides environmental and economic advantages.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2023)
Article
Engineering, Manufacturing
Zhanwen Wu, Feng Zhang, Yong Hu, Zhaolong Zhu, Xiaolei Guo
Summary: This paper investigates the effects of cutting parameters and tool parameters on cutting force and surface quality in wood-plastic composite (WPC) helical milling. The results provide scientific guidance for improving cutting efficiency and surface quality in WPC machining.
CIRP JOURNAL OF MANUFACTURING SCIENCE AND TECHNOLOGY
(2022)
Article
Engineering, Civil
Longlong Zhao, Fei Xi
Summary: This study examines the flexural performance of A-WPC beams by designing composite beams of different spans. The results show that folding failure occurs on the compression side of the reinforced A-WPC composite beam when the span-height ratio is low, while deformation and cracks occur on the tension side when the span-height ratio is large. The strength utilization of the reinforced A-WPC beam is higher than that of various engineered wood beams and glulam beams. This study proposes a method for calculating the flexural bearing capacity of the A-WPC beam and suggests that it can be used as a model for composite beam design.
THIN-WALLED STRUCTURES
(2022)
Article
Forestry
Wangyu Xu, Zhanwen Wu, Wei Lu, Yingyue Yu, Jinxin Wang, Zhaolong Zhu, Xiaodong Wang
Summary: In this study, RSM was used to investigate the cutting power and optimal cutting conditions of wood-plastic composite. A cutting power model was developed based on experimental results, and the effects of various factors were analyzed. The optimal cutting condition obtained can be applied in industrial manufacturing to achieve efficient machining and energy savings.
Article
Materials Science, Multidisciplinary
Shengbo Ge, Shida Zuo, Minglong Zhang, Yonghong Luo, Rui Yang, Yingji Wu, Ye Zhang, Jianzhang Li, Changlei Xia
Summary: The study found that decayed wood plastic composites with chitosan exhibited better properties than decayed wood plastic composites without any additive, and even better than sound wood plastic composites. Adding chitosan to decayed wood powder and PVC improved the performance of the DWPC, reaching the level of sound wood plastic composites. This work proposed a novel green strategy for utilizing decayed wood for making polyvinyl chloride/wood flour composites.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Polymer Science
Maciej Mrowka, Malgorzata Szymiczek, Magdalena Skonieczna
Summary: The study investigated the impact of wood waste on the mechanical and biological properties of silicone-based composites, revealing changes in the properties of the composites. Despite these changes, the composites showed no cytotoxicity to human cells and have potential for creating structures on the seabed.
Review
Green & Sustainable Science & Technology
Izabella Almirante Porto Tiburcio Rodrigues, Roberta Vianna Alves, Maria Jose de Oliveira Cavalcanti Guimaraes, Thiago Santiago Gomes, Elen Beatriz Acordi Vasques Pacheco
Summary: This review analyzed plastic lumber manufacturing in Brazil and devised strategies to boost production. Brazil has abundant natural wood resources, but the production of plastic lumber is relatively small. The country is working on developing plastic lumber and seizing opportunities in international markets.
ENVIRONMENT DEVELOPMENT AND SUSTAINABILITY
(2022)
Review
Energy & Fuels
Leticia S. Ribeiro, Carina M. Stolz, Mayara Amario, Ana Lucia Nazareth da Silva, Assed N. Haddad
Summary: This systematic review study investigates recent research on wood-plastic composites (WPC) made from post-consumer plastics in the construction industry. The optimal composition of these composites ranges from 40% to 45% wood and from 50% to 60% plastic. The extrusion process is commonly used for shaping, and specific factors such as the use of compatibilizers and particle size influence the strength of the composites. These materials exhibit high thermal stability and have the potential for closed-loop plastic recycling in the construction industry.
Article
Materials Science, Multidisciplinary
Atif Hussain, Veronic Landry, Pierre Blanchet, Doan-Trang Hoang, Christian Dagenais
Summary: By modifying ammonium polyphosphate, intumescent coatings with improved resistance to water, humidity, and fire were prepared. The coatings showed enhanced fire-retarding properties on wood samples, making them potentially useful in the bio-based construction industry.
Article
Engineering, Civil
Lucas Terrei, Guillaume Gerandi, Hassan Flity, Virginie Tihay-Felicelli, Zoubir Acem, Gilles Parent, Paul-Antoine Santoni
Summary: The present study investigated the thermal degradation of spruce wood using a multi-scale approach. The results showed efficient predictions of mass and mass loss rate at different heating rates. At the material scale, a one-dimensional pyrolysis model was used to simulate the thermal degradation, with good agreement between predicted and measured in-depth temperatures.
FIRE SAFETY JOURNAL
(2022)
Article
Environmental Sciences
Olina ohrn, Kesavarao Sykam, Sidique Gawusu, Rhoda Afriyie Mensah, Michael Forsth, Vigneshwaran Shanmugam, N. B. Karthik Babu, Gabriel Sas, Lin Jiang, Qiang Xu, Agoston Restas, Oisik Das
Summary: In this study, the effectiveness of a zinc oxide (ZnO) powder coating in improving the fire safety of wood exposed to radiative heat flux was examined. Two different amounts of ZnO (0.5 and 1 g ZnO per dm2) were applied to the wood surface and subjected to radiative heat. The results showed that applying ZnO significantly increased the ignition time of the wood, demonstrating a potential method to delay wood ignition and reduce flame spread.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Polymer Science
Ke-Chang Hung, Wen-Chao Chang, Jin-Wei Xu, Tung-Lin Wu, Jyh-Horng Wu
Summary: This study compared the characteristics of wood-plastic composites (WPCs) using polypropylene (PP) and wood fibers from discarded pomelo tree stems, branches, and roots. Results showed that WPCs made from stem fibers had better physical properties and that all parts of pomelo trees can be used to manufacture WPCs. During 500 hours of xenon arc accelerated weathering, the WPCs showed similar weathering properties in terms of color change and mechanical strength.
Article
Materials Science, Paper & Wood
Feng Zhang, Zhanwen Wu, Yong Hu, Zhaolong Zhu, Xiaolei Guo
Summary: The study analyzed the influence of cutting parameters on cutting temperatures in wood-plastic composites milling, and proposed a BP neural network model for predicting cutting temperatures with high accuracy.
Article
Engineering, Multidisciplinary
Dylan Jubinville, Elnaz Esmizadeh, Costas Tzoganakis, Tizazu Mekonnen
Summary: This study demonstrates that by reprocessing polypropylene multiple times, it can be used as a matrix for wood plastic composites, producing composites with desirable physical properties. This shows the potential importance of recycling PP to reduce waste accumulation through the production of WPCs for construction and other applications.
COMPOSITES PART B-ENGINEERING
(2021)
Article
Thermodynamics
Lucas Terrei, Zoubir Acem, Veronique Marchetti, Paul Lardet, Pascal Boulet, Gilles Parent
Summary: In this study, a combination of thin wire thermocouples and careful implantation methods were used to accurately measure the in-depth temperature of wood samples during degradation. Results showed that thin wire thermocouples provided more flexibility and did not impact mass loss measurements compared to sheathed thermocouples.
INTERNATIONAL JOURNAL OF THERMAL SCIENCES
(2021)
Article
Environmental Sciences
Lars Eitzen, Sophia Paul, Ulrike Braun, Korinna Altmann, Martin Jekel, Aki Sebastian Ruhl
ENVIRONMENTAL RESEARCH
(2019)
Article
Multidisciplinary Sciences
Daniel Dittmann, Paul Eisentraut, Caroline Goedecke, Yosri Wiesner, Martin Jekel, Aki Sebastian Ruhl, Ulrike Braun
SCIENTIFIC REPORTS
(2020)
Article
Environmental Sciences
Axel Mueller, Caroline Goedecke, Paul Eisentraut, Christian Piechotta, Ulrike Braun
ENVIRONMENTAL SCIENCES EUROPE
(2020)
Article
Engineering, Environmental
Philipp Kloeckner, Bettina Seiwert, Paul Eisentraut, Ulrike Braun, Thorsten Reemtsma, Stephan Wagner
Article
Chemistry, Multidisciplinary
Ajmal Zarinwall, Tassilo Waniek, Reza Saadat, Ulrike Braun, Heinz Sturm, Georg Garnweitner
Summary: The study demonstrates that adjusting the surface properties of nanofillers allows for selectively designing interactions to optimize the advantages of nanocomposites. By using specific process parameters, a monolayer can be formed on BNP, resulting in a maximal grafting density of 1.3 molecules/nm^2. Unsuspected multilayer formation is observed only under acidic conditions.
Article
Chemistry, Applied
Ulrike Braun, Korinna Altmann, Dominik Herper, Markus Knefel, Marius Bednarz, Claus G. Bannick
Summary: The study proposes a new method for analyzing microplastics in food products using a smart filter crucible, allowing for direct determination of their mass content. It was found that the type of beverage bottle can affect the microplastic content, especially related to the quality of plastic material in the screw cap, and particle formation increases during use phase operations.
FOOD ADDITIVES AND CONTAMINANTS PART A-CHEMISTRY ANALYSIS CONTROL EXPOSURE & RISK ASSESSMENT
(2021)
Article
Polymer Science
Tassilo Waniek, Ulrike Braun, Dorothee Silbernagl, Heinz Sturm
Summary: This study investigates the interactions of boehmite nanoparticles with the epoxy polymer matrix during the curing process, revealing that water released from the nanoparticles strongly influences the curing process by hydrolysis or protonation. These changes provide new explanations for the altered material properties discussed in recent research.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Environmental Sciences
Axel Mueller, Birgit Kocher, Korinna Altmann, Ulrike Braun
Summary: Tire wear is a significant source of microplastic in terrestrial ecosystems. In this study, TED-GC/MS was used for the first time to detect tire wear in soil samples, and the results showed that the majority of tire wear particles ended up in the topsoil within a 2 meter distance from the road.
Article
Engineering, Multidisciplinary
L. Wander, L. Lommel, K. Meyer, U. Braun, A. Paul
Summary: This study demonstrates a method for the low-level mass quantification of microplastics using near-infrared spectroscopy combined with a simple and rapid microplastic enrichment protocol. The method was optimized and successfully used to identify and quantify microplastics in the mass range of 1-10 mg.
MEASUREMENT SCIENCE AND TECHNOLOGY
(2022)
Article
Water Resources
Daniel Dittmann, Leon Saal, Frederik Zietzschmann, Maike Mai, Korinna Altmann, Dominik Al-Sabbagh, Pia Schumann, Aki Sebastian Ruhl, Martin Jekel, Ulrike Braun
Summary: Water treatment with activated carbon is a reliable method for removing organic micropollutants and natural organic matter. This study investigates the material properties of different commercially available activated carbons and suggests that proper material characterization can help predict the removal efficiency of specific pollutants.
APPLIED WATER SCIENCE
(2022)
Article
Environmental Sciences
Maria Kittner, Alexander Kerndorff, Mathias Ricking, Marius Bednarz, Nathan Obermaier, Marcus Lukas, Mina Asenova, Gabor Bordos, Paul Eisentraut, Philipp Hohenblum, Hana Hudcova, Franko Humer, Toth Gyorgy Istvan, Michal Kirchner, Olena Marushevska, Denisa Nemejcova, Peter Oswald, Momir Paunovic, Manfred Sengl, Jaroslav Slobodnik, Karl Spanowsky, Madalina Tudorache, Helmut Wagensonner, Igor Liska, Ulrike Braun, Claus G. Bannick
Summary: In this study, a comprehensive microplastic screening was conducted in a large European river basin, covering the water column from source to estuary. Microplastics were detected in all samples, with polyethylene being the predominant polymer. The chosen approach of integrative sampling and determination of total plastic content was proven to be successful.
Article
Environmental Sciences
Maria Kittner, Alexander Kerndor, Mathias Ricking, Marius Bednarz, Nathan Obermaier, Marcus Lukas, Mina Asenova, Gabor Bordos, Paul Eisentraut, Philipp Hohenblum, Hana Hudcova, Franko Humer, Toth Gyoergy Istvan, Michal Kirchner, Olena Marushevska, Denisa Nemejcova, Peter Oswald, Momir Paunovic, Manfred Sengl, Jaroslav Slobodnik, Karl Spanowsky, Madalina Tudorache, Helmut Wagensonner, Igor Liska, Ulrike Braun, Claus G. Bannick
Summary: In this study, a comprehensive microplastic screening was conducted in a large European river basin. Microplastics were detected in all samples, with polyethylene being the predominant polymer.
Proceedings Paper
Green & Sustainable Science & Technology
Jan Bauer, Paul-Tiberiu Miclea, Ulrike Braun, Korinna Altmann, Marko Turek, Christian Hagendorf
Summary: Microplastic detection in water samples is crucial for tracing their sources, as they can cause harm to desalination facilities and disrupt the marine food chain. Thermoanalytical methods and spectroscopic methods are commonly used for analyzing microplastics, providing fast and accurate results on their size and composition. Machine learning algorithms ensure reliable classification of different plastic materials.
SUSTAINABLE ENERGY-WATER-ENVIRONMENT NEXUS IN DESERTS
(2022)
Article
Chemistry, Analytical
C. Goedecke, D. Dittmann, P. Eisentraut, Y. Wiesner, B. Schartel, P. Klack, U. Braun
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2020)
Article
Chemistry, Analytical
Lukas Wander, Alvise Vianello, Jes Vollertsen, Frank Westad, Ulrike Braun, Andrea Paul
ANALYTICAL METHODS
(2020)
