纳米银协同沙子构筑超疏水表面及其性能研究

doi:10.11896/cldb.21010001

材料导报

2022, Vol. 36

Issue (6): 21010001-5 https://doi.org/10.11896/cldb.21010001

无机非金属及其复合材料

纳米银协同沙子构筑超疏水表面及其性能研究

杨福生¹, 王百祥¹, 张妍¹, 任永忠¹, 陈永哲¹, 杨武²

1 兰州工业学院土木工程学院,兰州 730050
2 西北师范大学生态环境相关高分子材料教育部重点实验室, 兰州 730070

Study on Preparation and Properties of Superhydrophobic Surface with Nano-silver and Sand

YANG Fusheng¹, WANG Baixiang¹, ZHANG Yan¹, REN Yongzhong¹, CHEN Yongzhe¹, YANG Wu²

1 School of Civil Engineering, Lanzhou Institute of Technology, Lanzhou 730050, China
2 Key Laboratory of Ecological-environment-related Polymer Materials of Ministry of Education,Northwest Normal University, Lanzhou 730070, China

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摘要沙子作为一种天然物质在沙漠中大量存在,因其超亲水特性而没有得到有效广泛的利用。本研究以沙子作为基底材料,在其表面自组装纳米银粒子,再经十八烷基硫醇修饰后沙子显示出超疏水-超亲油特性(水滴的接触角为160°;油滴的接触角为0°)。利用沙子表面超疏水特性,不但可以选择性分离轻油、重油以及油和水形成的乳浊液,还可以在沙漠环境中实现水的储存。相关研究有望为污水治理材料的制备及防治土地沙化提供一种新思路。

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关键词: 沙子超疏水纳米银油水分离储存水

Abstract: As a natural substance, sand is abundant in deserts, but it has not been widely used due to its superhydrophilic.In this study, sand was used as the substrate and silver nanoparticles were assembled on its surface, after modification with octadecanethiol, the sand possess superhydrophobic-superhydrophilic properties (contact angle of water droplets was 160°, contact angle of oil droplets was 0°). The superhydrophobic properties of sand surface can not only selectively separate the light oil on water from the heavy oil under water, but also efficiently separate the emulsion formed by oil and water and realize water storage in desert environment.The related research is expected to provide a new idea for the preparation of sewage treatment materials and the prevention of land desertification.

Key words: sand superhydrophobicity nano silver oil/water separation store water

出版日期: 2022-03-25 发布日期: 2022-03-21

ZTFLH:

O647

基金资助: 2020年度甘肃省省级重点人才项目;甘肃省陇原青年创新创业人才(团队)项目(2020RCXM196);甘肃省高等学校产业支撑项目(2020C-30);甘肃省高等学校创新能力提升项目(2020A-149;2021B-306);国家级大学生创新创业训练计划项目(202111807018;202111807017);兰州工业学院“启智”人才培养计划基金(2019QZ-05);兰州工业学院青年科技创新项目(2020KJ-14)

通讯作者: 2313907790@qq.com

作者简介: 杨福生,2013年6月毕业于西北师范大学,获得理学硕士学位。于2014年10月至今在兰州工业学院任教,主要从事功能材料领域的研究。
杨武,西北师范大学,教授,博士研究生导师。1998年7月毕业于中国科学院兰州化学物理研究所,获理学博士学位,2000年在德国马普高分子研究所(美因兹)从事博士后研究工作。主要从事纳米材料、功能材料的制备、表征以及应用研究。发表SCI收录论文100余篇,申报发明专利8余项,出版专著2部,教材1部。

引用本文:

杨福生, 王百祥, 张妍, 任永忠, 陈永哲, 杨武. 纳米银协同沙子构筑超疏水表面及其性能研究[J]. 材料导报, 2022, 36(6): 21010001-5.
YANG Fusheng, WANG Baixiang, ZHANG Yan, REN Yongzhong, CHEN Yongzhe, YANG Wu. Study on Preparation and Properties of Superhydrophobic Surface with Nano-silver and Sand. Materials Reports, 2022, 36(6): 21010001-5.

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http://www.mater-rep.com/CN/10.11896/cldb.21010001 或 http://www.mater-rep.com/CN/Y2022/V36/I6/21010001

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