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Sutar RS, Latthe SS, Jundle AR, Gaikwad PP, Ingole SS, Nagappan S, Kim YH, Bhosale AK, Saji VS, Liu S. A facile approach for oil-water separation using superhydrophobic polystyrene-silica coated stainless steel mesh bucket. MARINE POLLUTION BULLETIN 2024; 198:115790. [PMID: 38007872 DOI: 10.1016/j.marpolbul.2023.115790] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/10/2023] [Accepted: 11/11/2023] [Indexed: 11/28/2023]
Abstract
Inspired by traditional shaduf technology in the irrigation field, we fabricated a superhydrophobic stainless steel mesh bucket by layering polystyrene and SiO2 nanoparticles through a facile dip coating technique for effective oil-water separation. The superhydrophobic steel mesh bucket could effectively lift oil as well as microplastic pollutants from the water surface. The water contact angle of a two-layered polystyrene-silica coating was 158.5° ± 2°, while the oil contact angle was nearly 0°. The oil-water separation performance of superhydrophobic mesh was tested using several kinds of oil. The separation efficiency achieved for low viscous oil was 99.33 %, while 86.66 % efficiency was recorded for high viscous oil. The superhydrophobic mesh showed high durability against mechanical tests including bending, folding, twisting, adhesive tape tearing (25 cycles), and sandpaper abrasion (20 cycles). The mesh presented admirable thermal and chemical durability. The present superhydrophobic steel mesh bucket is a suitable candidate for large-scale application.
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Affiliation(s)
- Rajaram S Sutar
- College of Chemistry and Molecular Science, Henan University, Kaifeng 475004, China
| | - Sanjay S Latthe
- College of Chemistry and Molecular Science, Henan University, Kaifeng 475004, China; Self-cleaning Research Laboratory, Department of Physics, Vivekanand College (Autonomous), Affiliated to Shivaji University, Kolhapur 416 003, Maharashtra, India.
| | - Akshay R Jundle
- Self-Cleaning Research Laboratory, Department of Physics, Raje Ramrao College, Affiliated to Shivaji University Kolhapur, Jath, Sangli 416404, Maharashtra, India
| | - Pradip P Gaikwad
- Self-Cleaning Research Laboratory, Department of Physics, Raje Ramrao College, Affiliated to Shivaji University Kolhapur, Jath, Sangli 416404, Maharashtra, India
| | - Sagar S Ingole
- Self-Cleaning Research Laboratory, Department of Physics, Raje Ramrao College, Affiliated to Shivaji University Kolhapur, Jath, Sangli 416404, Maharashtra, India
| | - Saravanan Nagappan
- Industry-University Cooperation Foundation, Pukyong National University, Busan 48513, Republic of Korea
| | - Yong Hyun Kim
- Department of Smart Green Technology Engineering, Pukyong National University, Busan 48513, Republic of Korea; School of Electrical Engineering, Pukyong National University, Busan 48513, Republic of Korea
| | - Appasaheb K Bhosale
- Self-Cleaning Research Laboratory, Department of Physics, Raje Ramrao College, Affiliated to Shivaji University Kolhapur, Jath, Sangli 416404, Maharashtra, India
| | - Viswanathan S Saji
- Interdisciplinary Research Center for Advanced Materials, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
| | - Shanhu Liu
- College of Chemistry and Molecular Science, Henan University, Kaifeng 475004, China.
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Li J, Liu Z, Wang Z. Study of nano-ZnO improvement of the mechanical properties and corrosion resistance of modified-SiO 2/PTFE superhydrophobic nanocomposite coatings by one-step spraying. NEW J CHEM 2023. [DOI: 10.1039/d2nj06376j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
Abstract
A rapid and low-cost method to prepare a superhydrophobic coating with good mechanical stability, self-cleaning, and excellent corrosion resistance.
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Durable superhydrophobic silica/epoxy resin coating for the enhanced corrosion protection of steel substrates in high salt and H2S environments. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Preparation and Evaluation of PDMS/Carbon Soot Particles Superhydrophobic Biomimetic Composite Coating with Self-Cleaning and Durability. Biomimetics (Basel) 2022; 7:biomimetics7030132. [PMID: 36134936 PMCID: PMC9496194 DOI: 10.3390/biomimetics7030132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/04/2022] [Accepted: 09/05/2022] [Indexed: 11/18/2022] Open
Abstract
In this paper, a superhydrophobic biomimetic composite coating was fabricated on brass by electrochemical etching, brushing PDMS adhesive layer, and depositing carbon soot particles. Due to the microstructure and the optimized ratio of PDMS, the contact angle of the superhydrophobic coating is up to 164° and the sliding angle is only 5°. The results of optical microscopy and morphometric laser confocal microscopy show that the prepared coating surface has a rough hierarchical structure. A high-speed digital camera recorded the droplet bouncing process on the surface of the superhydrophobic coating. The self-cleaning property of the coatings was evaluated by applying chalk dust particles as simulated solid contaminants and different kinds of liquids (including grape juice, beer, cola, and blue ink) as liquid contaminants. The coating remained superhydrophobic after physical and chemical damage tests. This work presents a strategy for fabricating superhydrophobic biomimetic composite coatings with significant self-cleaning properties, durability, and shows great potential for practical engineering applications.
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