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Erschienen in: European Journal of Wood and Wood Products 4/2023

28.01.2023 | Original Article

Surface modification of wood and its effect on the interfacial bonding properties of cement-based wood composites

verfasst von: Xiao Song, Ziqiang Liu, Xiaolong Li, Haiqing Zhou, Chunpeng Han

Erschienen in: European Journal of Wood and Wood Products | Ausgabe 4/2023

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Abstract

In order to increase the service life of waste wood and improve its bonding ability with cement mortar, in this study, cement-based wood composites were prepared by the hydrostatic pressing method using waste wood chips as filler material and cement mortar as the binder, after the wood was modified with NaOH, A-171 silane coupling agent and acrylate copolymer emulsion, respectively, and compounded with cement mortar. The effects of the modifications on the surface properties of wood were analyzed by SEM (scanning electron microscopy), XPS (X-ray photoelectron spectroscopy), and capillary rise tests. The dimensional stability and mechanical properties of the composites were tested, and finally, the bonding work of the composites was calculated based on the surface free energy theory. The results showed that the three modifications improved the interfacial bonding properties of wood and cement mortar and increased the dimensional stability, mechanical strength, and bonding power of the composites while changing the morphology, chemical properties, and wettability of the wood surface. This research work can provide new ideas and reference experience for improving the interfacial properties of cement-based wood composites.

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Metadaten
Titel
Surface modification of wood and its effect on the interfacial bonding properties of cement-based wood composites
verfasst von
Xiao Song
Ziqiang Liu
Xiaolong Li
Haiqing Zhou
Chunpeng Han
Publikationsdatum
28.01.2023
Verlag
Springer Berlin Heidelberg
Erschienen in
European Journal of Wood and Wood Products / Ausgabe 4/2023
Print ISSN: 0018-3768
Elektronische ISSN: 1436-736X
DOI
https://doi.org/10.1007/s00107-023-01926-7

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