齐鲁工业大学(山东省科学院) 生物基材料与绿色造纸国家重点实验室,山东,济南,250353
刘雪(1996–),女,硕士研究生,主要研究方向为木质素基功能材料
孔凡功(1976–),男,教授,博士,博士生导师,主要研究方向为木质纤维基功能材料,E-mail:kfgwsj1566@163.com
纸质出版:2022
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刘雪, 刘忠明, 席跃宾, 王守娟, 孔凡功. 木质素基超疏水涂层的制备及其应用性能研究[J]. 广东工业大学学报, 2022, 39(1): 34-40, 134.
Liu Xue, Liu Zhong-ming, Xi Yue-bin, et al. A Study of Preparation and Application Performance of Lignin-based Superhydrophobic Coatings[J]. 2022, 39(1): 34-40, 134.
刘雪, 刘忠明, 席跃宾, 王守娟, 孔凡功. 木质素基超疏水涂层的制备及其应用性能研究[J]. 广东工业大学学报, 2022, 39(1): 34-40, 134. DOI: 10.12052/gdutxb.210130.
Liu Xue, Liu Zhong-ming, Xi Yue-bin, et al. A Study of Preparation and Application Performance of Lignin-based Superhydrophobic Coatings[J]. 2022, 39(1): 34-40, 134. DOI: 10.12052/gdutxb.210130.
超疏水涂层由于其广泛的应用前景
近年来备受关注。然而
利用天然聚合物制备超疏水材料和超疏水涂层仍然缺乏一种简单、经济的方法。本文通过取代反应制备了超疏水性木质素-PFTEOS粉体。由于该粉体与基体无关的特性和优异的超疏水性
可用于各种基体制备超疏水性涂层。所制备的涂层疏水性极强
水接触角最高可达169°
同时具有良好的耐摩擦、耐酸碱、耐盐性能和较好的耐腐蚀性能:经砂纸摩擦循环20次或在1 mol/L HCl、0.20 mol/L NaOH和1 mol/L NaCl溶液中浸泡30 min后
涂层仍保持超疏水性能
且接触角大于150°。这种低成本、可降解和可扩展的木质素基涂层在不同领域具有巨大的应用潜力
并为碱木质素的增值利用提供了一种简单的方法。
Superhydrophobic coatings have drawn much attention in recent years for their wide potential applications. However
a simple and cost-effective approach is still needed for preparing superhydrophobic materials and coatings using natural polymer. Herein
a hierarchical superamphiphobic Lignin-PFTEOS powder was prepared via a substitution reaction. Owing to the substrate-independent characteristics and excellent super-repellency of the powder
it could be applied to various substrates to fabricate superhydrophobic coatings. The prepared coatings have a huge repellency to water
with a water contact angle of 169°
as well as good friction resistance
acid resistance
alkali resistance
salt resistance properties and quite good corrosion resistance performance. After 20 cycles of sand friction or being immersed in 1 mol/L HCl
0.20 mol/L NaOH and 1 mol/L NaCl solution for 30 minutes
the coatings still retain superhydrophobic capability
with contact angle higher than 150°. Due to its low cost
biodegradability and scalability
lignin-based coatings have huge potential applications in different fields and provide a simple method for the value-added utilization of alkali lignin.
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