文献类型：期刊文献

英文题名：A nature-inspired strategy towards superhydrophobic wood

作者：Liu, Shiqin[1] Zhu, Mengjia[1] Huang, Yuxiang[1] Yu, Yanglun[1] Yu, Wenji[1] Lv, Bin[1]

通信作者：Huang, YX[1];Lv, B[1]

机构：[1]Chinese Acad Forestry, Res Inst Wood Ind, Beijing, Peoples R China

年份：2023

外文期刊名：JOURNAL OF MATERIALS CHEMISTRY A

收录：;EI(收录号：20234715078475);Scopus(收录号：2-s2.0-85176723211);WOS:【SCI-EXPANDED(收录号:WOS:001099330900001)】；

基金：This work was financially supported by the Fundamental Research Funds of CAF (CAFYBB2020QC002). We acknowledge Beijing Zhongkebaice Technology Service Co., Ltd. for the characterization results.

语种：英文

外文关键词：Aluminum compounds - Biomimetics - Coatings - Copper compounds - Cost effectiveness - Grinding (machining) - Hydrophobicity - Iron compounds - Metal complexes - Microchannels - Polydimethylsiloxane - Silicones - Wood

摘要：Plant polyphenols are a type of natural substance widely present in plants, which can form three-dimensional metal-phenolic networks (MPNs) via chelation with metal ions, thereby enabling the construction of functional material coatings. Herein, a novel and straightforward approach was employed to prepare superhydrophobic wood by utilizing a nature-inspired strategy. The main component of wood polyphenols, rutin, was employed to create MPNs with various metal ions (Fe(iii), Fe(ii), Al(iii), and Cu(ii)), resulting in the formation of a rough hierarchical structure on the wood surface, followed by a polydimethylsiloxane (PDMS) modification. Polyphenol-free wood was impregnated with rutin solution and then complexed with metal ions. Taking rutin-Fe(iii)-based superhydrophobic poplar as an example, it showed excellent performance in self-cleaning and anti-fouling. In addition, it showed excellent resistance to acids and alkalis and organic solution impregnation. The superhydrophobic coating maintained robust mechanical durability under the action of long-term placement, ultrasonic washing, tape peeling and sandpaper grinding as well. We believe that the superhydrophobic wood modified with rutin-metal complexes and PDMS is considered environmentally friendly, cost-effective, sustainable, and easily scalable. Thus, it exhibits immense potential for practical applications in indoor and outdoor decoration as well as building materials. Plant polyphenols are a type of natural substance widely present in plants, which can form three-dimensional metal-phenolic networks (MPNs) via chelation with metal ions, thereby enabling the construction of functional material coatings.