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Yizhen Yu,Bingzhi Li,Yinsha Wei,Xinyue Ren,Fengsai Bie,Yang Xu,Ri Qiu,Xiaoguang Li,Yibo Ouyang 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.118 No.-
In the harsh environment, the corrosion of Cu leads to the failure of pipelines, condenser, printed circuitboard and so forth. Thus, protecting Cu from corrosion is critically important from both science and engineeringbackgrounds. In this report, the hierarchical structure compositing dendritic Cu and ZIF-67 is preparedonto Cu by a two-step electrodeposition protocol. After thiol modification and oil infusion, bioinspiredsuperhydrophobic surface (SHS) and slippery liquid-infused porous surface (SLIPS) is respectivelyachieved, and sophisticated techniques are used for characterizing chemical composition, morphology,topology and wettability. Scanning Kelvin probe is employed to know the surface potentialdistribution before and after the biomimetic transformation. Using different electrochemical approaches,the corrosion inhibition effect is elucidated. In 3.5 wt% NaCl corrosive medium, |Z|0.01Hz of SLIPS is as highas 1.35 108 Xcm2 at the initial immersion stage. The value is remarkably enhanced compared with SHS(6.76 104 Xcm2) and bare Cu (8.74 103 Xcm2). After soaking for 168 h, |Z|0.01Hz value of SHS andSLIPS is 3.84 104 Xcm2 and 4.93 106 Xcm2, illustrating that SLIPS has high resistance to protectCu from corrosion.
Yu Zhao,Nana Li,Bin Xu,Bingzhi Dong,Shengji Xia 한국공업화학회 2016 Journal of Industrial and Engineering Chemistry Vol.39 No.-
Hybrid poly(vinylidene fluoride) (PVDF) embedded with Zn–Al layered double hydroxides (LDH)membranes were fabricated via phase inversion. The physical and chemical properties of the novelpolymer membranes were characterized using different characterizations. Filtration and antifoulingexperiments were performed to examine the water permeability, rejection and antifouling ability of theprepared membranes. Results showed that membrane morphology was greatly changed due to theaddition of LDH and that the hybrid membrane exhibited greatly improved surface hydrophilicity, waterpermeability and antifouling property, with contact angle decreased from 76.58 to 69.08 and pure water(PW) flux increased from 8.01 L/m2 h bar to 48.95 L/m2 h bar.