广东工业大学学报 ›› 2022, Vol. 39 ›› Issue (01): 34-40,134.doi: 10.12052/gdutxb.210130

• 木质素科学与技术 • 上一篇    下一篇

木质素基超疏水涂层的制备及其应用性能研究

刘雪, 刘忠明, 席跃宾, 王守娟, 孔凡功   

  1. 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
  • 收稿日期:2021-09-03 发布日期:2022-01-20
  • 通信作者: 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
  • 作者简介:刘雪(1996-),女,硕士研究生,主要研究方向为木质素基功能材料
  • 基金资助:
    国家自然科学基金资助面上项目(31971605, 31800499)；山东省重大科技创新工程资助项目(2019JZZY010407, 2019JZZY010304)；山东省自然科学基金资助项目(ZR2020MC156)；山东省科教产融合创新试点工程资助项目(2020KJC-ZD06，2020KJC-ZD13)

A Study of Preparation and Application Performance of Lignin-based Superhydrophobic Coatings

Liu Xue, Liu Zhong-ming, Xi Yue-bin, Wang Shou-juan, Kong Fan-gong   

  1. State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China
  • Received:2021-09-03 Published:2022-01-20

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摘要： 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。

关键词: 超疏水, 木质素颗粒, 机械耐久性, 化学稳定性, 耐腐蚀性

Abstract: 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.

Key words: superhydrophobic, lignin particles, mechanical durability, chemical stability, corrosion resistance

中图分类号: 

  • TQ352.7
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