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材料导报  2025, Vol. 39 Issue (6): 23050086-5    https://doi.org/10.11896/cldb.23050086
  无机非金属及其复合材料 |
基于化学刻蚀法构筑超疏水沙子表面及其性能研究
任永忠1,*, 舒天浩2, 李鑫林1, 张振宇1, 梁补女1, 李天义2, 金志华1
1 兰州工业学院土木工程学院,兰州 730050
2 兰州交通大学环境与市政工程学院,兰州 730070
Construction of Superhydrophobic Sand Surface and Its Properties Based on Chemical Etching
REN Yongzhong1,*, SHU Tianhao2, LI Xinlin1, ZHANG Zhenyu1, LIANG Bunv1, LI Tianyi2, JIN Zhihua1
1 School of Civil Engineering, Lanzhou Institute of Technology, Lanzhou 730050, China
2 School of Environmental and Municipal Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
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摘要 通过化学刻蚀法,使用低表面能物质十八烷基三甲氧基硅烷(OTMS)对经过硫酸和双氧水刻蚀后具有微纳米复合阶层结构的普通沙子进行修饰,制备了超疏水沙子,并对其进行扫描电子显微镜(SEM)、接触角测试,结果表明,改性后的沙子表面呈现微纳米级的粗糙度,对水的静态接触角为154°。此外,探究了超疏水沙子的耐高温性及抗蒸发性,相关研究为固沙及沙漠环境治理提供思路与方法。
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任永忠
舒天浩
李鑫林
张振宇
梁补女
李天义
金志华
关键词:  沙子  超疏水  耐高温  抗蒸发    
Abstract: By chemical etching method, the ordinary sand with micro/nano composite hierarchical structure was prepared by sulfuric acid and hydrogen peroxide. And then the etched sand was modified with low surface energy substance octaalkyl trimethoxy-silane to get the superhydrophobic sand. The superhydrophobic sand was tested by SEM, contact angle. The results show that surface of the modified sand presents micro-nano hierarchical roughness, and the static contact angle to water is 154°. In addition, high temperature resistance and evaporation resis-tance of the prepared superhydrophobic sand were explored. Relevant studies provide ideas and methods for sand fixation and desert environmental gover-nance.
Key words:  sand    superhydrophobic    high temperature resistance    evaporation resistance
出版日期:  2025-03-25      发布日期:  2025-03-24
ZTFLH:  TG174.451  
  O647.5  
基金资助: 甘肃省住房和城乡建设厅建设科技项目(JK2024-30);甘肃省高等学校产业支撑计划项目(2022CYZC-69);兰州工业学院“启智”人才培养计划基金(2019QZ-05);国家级大学生创新创业训练计划项目(202211807029;202211807026)
通讯作者:  *任永忠,兰州工业学院副教授。主要从事土木工程材料、地质灾害及防治等方面的教学与科研工作。568761708@qq.com   
引用本文:    
任永忠, 舒天浩, 李鑫林, 张振宇, 梁补女, 李天义, 金志华. 基于化学刻蚀法构筑超疏水沙子表面及其性能研究[J]. 材料导报, 2025, 39(6): 23050086-5.
REN Yongzhong, SHU Tianhao, LI Xinlin, ZHANG Zhenyu, LIANG Bunv, LI Tianyi, JIN Zhihua. Construction of Superhydrophobic Sand Surface and Its Properties Based on Chemical Etching. Materials Reports, 2025, 39(6): 23050086-5.
链接本文:  
https://www.mater-rep.com/CN/10.11896/cldb.23050086  或          https://www.mater-rep.com/CN/Y2025/V39/I6/23050086
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