高强度黏附力可调控的水下超疏油铜网膜的制备

doi:10.7503/cjcu20190514

高等学校化学学报 ›› 2020, Vol. 41 ›› Issue (1): 125.doi: 10.7503/cjcu20190514

高强度黏附力可调控的水下超疏油铜网膜的制备

李冲,成中军(),安茂忠()

哈尔滨工业大学化工与化学学院, 城市水资源与水环境国家重点实验室, 哈尔滨 150001

收稿日期:2019-10-10 出版日期:2020-01-10 发布日期:2019-12-02
通讯作者: 成中军,安茂忠 E-mail:chengzhongjun@iccas.ac.cn;mzan@hit.edu.cn
基金资助:
国家自然科学基金批准号:(21972037);国家自然科学基金批准号:(21674030);城市水资源与水环境国家重点实验室开放基金资助批准号:(2018DX03)

Fabrication of Robust Underwater Superoleophobic Copper Mesh with Tunable Oil Adhesion ^†

LI Chong,CHENG Zhongjun(),AN Maozhong()

State Key Laboratory of Urban Water Resource and Environment, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China

Received:2019-10-10 Online:2020-01-10 Published:2019-12-02
Contact: Zhongjun CHENG,Maozhong AN E-mail:chengzhongjun@iccas.ac.cn;mzan@hit.edu.cn
Supported by:
? Supported by the National Natural Science Foundation of China Nos(21972037);? Supported by the National Natural Science Foundation of China Nos(21674030);the Open Project of State Key Labratory of Urban Water Resource and Environment, China No(2018DX03)

摘要/Abstract

摘要：

通过调控在铜网表面电镀铜的时间制备了一系列具有不同黏附性的水下超疏油铜网表面, 并进一步在铜网表面包覆一层磷酸二氢铝(ADP)纳米涂层. 在保持铜网表面原有微结构形貌不变的前提下, ADP纳米涂层有效增强了铜网表面微纳结构的机械强度及表面浸润特征的稳定性. 研究结果表明, 铜网表面不同微结构赋予了表面与油滴之间不同的接触状态, 从而产生了不同的黏附性; ADP包覆后铜网表面微结构机械强度的增加, 得益于包覆后表面微观结构在外力作用下最大应力和最大横向位移的明显降低.

关键词: 水下超疏油, 可控黏附, 电镀铜, 耐磨损

Abstract:

A series of underwater superoleophobic copper meshes with tunable oil adhesion were fabricated by adjusting the time of eletrodeposition copper on copper mesh. Furthermore, after coating a layer of rigid aluminum dihydrogen phosphate(ADP) onto the as-prepared copper meshes, the mechanical stability of the microstructure on the copper meshes were effectively enhanced while maintaining the original microstructure morphology and oil adhesion property unchanged. The different oil adhesion of as-prepared copper meshes could be ascribed to the difference of surface microstructures that results in different solid/oil contact model in water. Theoretical simulations analysis reveals that the enhanced effect of surface microstructure results from the coating is due to the decreases the maximum transverse deformation and stress on the microstructure.

Key words: Underwater superoleophobicity, Tunable adhesion, Electrodeposition copper, Abrasion resistance

中图分类号:

O647
O614

TrendMD:

李冲,成中军,安茂忠. 高强度黏附力可调控的水下超疏油铜网膜的制备. 高等学校化学学报, 2020, 41(1): 125.

LI Chong,CHENG Zhongjun,AN Maozhong. Fabrication of Robust Underwater Superoleophobic Copper Mesh with Tunable Oil Adhesion ^†. Chem. J. Chinese Universities, 2020, 41(1): 125.

图/表 11

Fig.1 SEM images of copper mesh before(A) and after(B—E) electrodeposition of copper with different time and XRD patterns of the obtained films(F) (B) Deposition time: 2 s; (C) magnified image of (B); (D) deposition time: 15 s; (E) magnified image of (D).

Fig.2 Statistics of oil contact angles and sliding angles on different kinds of copper mesh about 1,2-dichloroethane(A) and other oils(B) (A) The insets are the pictures of oil droplet(1,2-dichloroethane) on the corresponding copper mesh.

Fig.3 Photograph of the experimental setup for the sand impingement test(A) and SEM image of sand grains used in the test(B)

Fig.4 SEM images of different kinds of copper mesh after sand impingement test (A) S1; (B) S2; (C) S3.

Fig.5 Statistics of oil(1,2-dichloroethane) sliding angles on different kinds of copper mesh after abrasion

Fig.6 SEM images of different kinds of copper mesh with ADP coating before(A—C) and after(D—F) abrasion (A, D) S1; (B, E) S2; (C, F) S3. The inset of (C) is the TEM image.

Fig.7 Element distribution maps of copper mesh(S3) with ADP coating (A) Cu; (B) Al; (C) P; (D) O.

Fig.8 Statistics of oil(1,2-dichloroethane) sliding angles on different kinds of copper mesh with ADP coating after abrasion

Fig.9 Statistics of oil(1,2-dichloroethane) contact angles and sliding angles(A) and SEM images(B—D) of copper mesh with ADP coating after immersing in water at different temperatures for 5 h and abrasion (B) 0 ℃; (C) 25 ℃; (D) 100 ℃.

Fig.10 Schematic illusion of oil/water/solid wetting model on different kinds of underwater copper mesh (A) S1; (B) S2; (C) S3.

Fig.11 Schematic illusion the results analysis by ABAQUS (A) and (C) are the transverse(nm) deformation of single microstructure model without and with ADP by finite-element model, respectively. (B) and (D) are the stress(MPa) distribution of single microstructure model before and after coating of ADP by finite-element model, respectively.

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高强度黏附力可调控的水下超疏油铜网膜的制备

Fabrication of Robust Underwater Superoleophobic Copper Mesh with Tunable Oil Adhesion ^†

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高强度黏附力可调控的水下超疏油铜网膜的制备

Fabrication of Robust Underwater Superoleophobic Copper Mesh with Tunable Oil Adhesion †

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Fabrication of Robust Underwater Superoleophobic Copper Mesh with Tunable Oil Adhesion ^†