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\n\n \n \n \n \n \n Relevant bonding aspects of acetylated beech (Fagus sylvatica L.) LVL for load-bearing construction in exterior use.\n \n \n \n\n\n \n Slabohm, M.; Haase, J.; and Militz, H.\n\n\n \n\n\n\n In Florence, Italy, 2024. \n
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@inproceedings{slabohm_relevant_2024,\n\taddress = {Florence, Italy},\n\ttitle = {Relevant bonding aspects of acetylated beech ({Fagus} sylvatica {L}.) {LVL} for load-bearing construction in exterior use.},\n\tauthor = {Slabohm, Maik and Haase, Jan-Oliver and Militz, Holger},\n\tyear = {2024},\n}\n\n
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\n\n \n \n \n \n \n Acetyliertes Buchen-Furnierlagenholz für tragende Anwendungen: Furniere und Verklebung.\n \n \n \n\n\n \n Slabohm, M.; Emmerich, L.; Marais, B. N.; Brischke, C.; and Militz, H.\n\n\n \n\n\n\n In
Deutsche Holzschutztagung 2024, pages 182–193, Dresden, 2024. IHD\n
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@inproceedings{slabohm_acetyliertes_2024,\n\taddress = {Dresden},\n\ttitle = {Acetyliertes {Buchen}-{Furnierlagenholz} für tragende {Anwendungen}: {Furniere} und {Verklebung}},\n\tlanguage = {de},\n\tbooktitle = {Deutsche {Holzschutztagung} 2024},\n\tpublisher = {IHD},\n\tauthor = {Slabohm, Maik and Emmerich, Lukas and Marais, Brendan Nicholas and Brischke, Christian and Militz, Holger},\n\tyear = {2024},\n\tpages = {182--193},\n}\n\n
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\n\n \n \n \n \n \n Durability of acetylated beech (Fagus sylvativa) laminated veneer lumber (LVL).\n \n \n \n\n\n \n Slabohm, M.; and Militz, H.\n\n\n \n\n\n\n In
Proceedings IRG Annual Meeting, Knoxville, Tennessee, May 2024. \n
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@inproceedings{slabohm_durability_2024,\n\taddress = {Knoxville, Tennessee},\n\ttitle = {Durability of acetylated beech ({Fagus} sylvativa) laminated veneer lumber ({LVL})},\n\tlanguage = {en},\n\tbooktitle = {Proceedings {IRG} {Annual} {Meeting}},\n\tauthor = {Slabohm, Maik and Militz, Holger},\n\tmonth = may,\n\tyear = {2024},\n}\n\n
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\n\n \n \n \n \n \n \n Acetylation of wood: understanding the risk of de-acetylation during exposure to elevated temperature.\n \n \n \n \n\n\n \n Slabohm, M.; Emmerich, L.; Valkonen, M. J.; Rautkari, L.; and Militz, H.\n\n\n \n\n\n\n
Holzforschung. October 2024.\n
Publisher: De Gruyter\n\n
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@article{slabohm_acetylation_2024,\n\ttitle = {Acetylation of wood: understanding the risk of de-acetylation during exposure to elevated temperature},\n\tcopyright = {De Gruyter expressly reserves the right to use all content for commercial text and data mining within the meaning of Section 44b of the German Copyright Act.},\n\tissn = {1437-434X},\n\tshorttitle = {Acetylation of wood},\n\turl = {https://www.degruyter.com/document/doi/10.1515/hf-2024-0067/html},\n\tdoi = {10.1515/hf-2024-0067},\n\tabstract = {Acetylation is a breakthrough in wood modification and has been established on industrial scale. However, concerns have been raised regarding the stability of acetylated wood under elevated temperatures, particularly during post hot-pressing processes to manufacture products such as laminated veneer lumber (LVL). At around 150 °C, the added acetyl groups might cleave off (“de-acetylation”) and by that release sorption sites for water. This would increase the moisture uptake of the modified wood. In this study, the impact of hot-pressing at 150 °C on the stability of acetylated beech veneers and LVL was investigated. Fourier transform infrared (FTIR) spectroscopy showed that the chemical composition of acetylated veneers seemed to be unaffected after the heat treatment. Dynamic vapor sorption (DVS) analysis and long-term storing over saturated salt-solutions in miniature climate chambers, indicated no de-acetylation on the basis of negligible changes in wood-water interactions. The number of hydroxyl groups of heat-treated acetylated samples was similar to that of not heat-treated ones, indicating the persistence of the effects of acetylation. By the present study, a certain resilience of acetylated wood towards elevated temperature, like it may occur during hot-pressing of acetylated veneers, became apparent and illustrated the thermal stability of this chemical modification approach.},\n\tlanguage = {en},\n\turldate = {2024-10-29},\n\tjournal = {Holzforschung},\n\tauthor = {Slabohm, Maik and Emmerich, Lukas and Valkonen, Mikko Juhani and Rautkari, Lauri and Militz, Holger},\n\tmonth = oct,\n\tyear = {2024},\n\tnote = {Publisher: De Gruyter},\n\tkeywords = {wood modification, acetylation, beech wood, laminated veneer lumber (LVL), de-acetylation},\n}\n\n
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\n Acetylation is a breakthrough in wood modification and has been established on industrial scale. However, concerns have been raised regarding the stability of acetylated wood under elevated temperatures, particularly during post hot-pressing processes to manufacture products such as laminated veneer lumber (LVL). At around 150 °C, the added acetyl groups might cleave off (“de-acetylation”) and by that release sorption sites for water. This would increase the moisture uptake of the modified wood. In this study, the impact of hot-pressing at 150 °C on the stability of acetylated beech veneers and LVL was investigated. Fourier transform infrared (FTIR) spectroscopy showed that the chemical composition of acetylated veneers seemed to be unaffected after the heat treatment. Dynamic vapor sorption (DVS) analysis and long-term storing over saturated salt-solutions in miniature climate chambers, indicated no de-acetylation on the basis of negligible changes in wood-water interactions. The number of hydroxyl groups of heat-treated acetylated samples was similar to that of not heat-treated ones, indicating the persistence of the effects of acetylation. By the present study, a certain resilience of acetylated wood towards elevated temperature, like it may occur during hot-pressing of acetylated veneers, became apparent and illustrated the thermal stability of this chemical modification approach.\n
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\n\n \n \n \n \n \n Unlocking a Potential Deacetylation of Acetylated Beech (Fagus sylvatica L.) LVL.\n \n \n \n\n\n \n Slabohm, M.; and Militz, H.\n\n\n \n\n\n\n In
11th Hardwood Conference Proceedings, volume 11, pages 544–548, Sopron, Hungary,, May 2024. University of Sopron Press\n
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@inproceedings{slabohm_unlocking_2024,\n\taddress = {Sopron, Hungary,},\n\ttitle = {Unlocking a {Potential} {Deacetylation} of {Acetylated} {Beech} ({Fagus} sylvatica {L}.) {LVL}},\n\tvolume = {11},\n\tbooktitle = {11th {Hardwood} {Conference} {Proceedings}},\n\tpublisher = {University of Sopron Press},\n\tauthor = {Slabohm, Maik and Militz, Holger},\n\tmonth = may,\n\tyear = {2024},\n\tpages = {544--548},\n}\n\n
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