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Dai Z, Lei M, Ding S, Zhou Q, Ji B, Wang M, Zhou B. Durable superhydrophobic surface in wearable sensors: From nature to application. EXPLORATION (BEIJING, CHINA) 2024; 4:20230046. [PMID: 38855620 PMCID: PMC11022629 DOI: 10.1002/exp.20230046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 10/02/2023] [Indexed: 06/11/2024]
Abstract
The current generation of wearable sensors often experiences signal interference and external corrosion, leading to device degradation and failure. To address these challenges, the biomimetic superhydrophobic approach has been developed, which offers self-cleaning, low adhesion, corrosion resistance, anti-interference, and other properties. Such surfaces possess hierarchical nanostructures and low surface energy, resulting in a smaller contact area with the skin or external environment. Liquid droplets can even become suspended outside the flexible electronics, reducing the risk of pollution and signal interference, which contributes to the long-term stability of the device in complex environments. Additionally, the coupling of superhydrophobic surfaces and flexible electronics can potentially enhance the device performance due to their large specific surface area and low surface energy. However, the fragility of layered textures in various scenarios and the lack of standardized evaluation and testing methods limit the industrial production of superhydrophobic wearable sensors. This review provides an overview of recent research on superhydrophobic flexible wearable sensors, including the fabrication methodology, evaluation, and specific application targets. The processing, performance, and characteristics of superhydrophobic surfaces are discussed, as well as the working mechanisms and potential challenges of superhydrophobic flexible electronics. Moreover, evaluation strategies for application-oriented superhydrophobic surfaces are presented.
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Affiliation(s)
- Ziyi Dai
- Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da UniversidadeTaipaMacauChina
- State Key Laboratory of Crystal MaterialsInstitute of Novel SemiconductorsSchool of MicroelectronicsShandong UniversityJinanChina
| | - Ming Lei
- Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da UniversidadeTaipaMacauChina
| | - Sen Ding
- Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da UniversidadeTaipaMacauChina
| | - Qian Zhou
- School of Physics and ElectronicsCentral South UniversityChangshaChina
| | - Bing Ji
- School of Physics and ElectronicsHunan Normal UniversityChangshaChina
| | - Mingrui Wang
- Department of Mechanical EngineeringUniversity of AucklandAucklandNew Zealand
| | - Bingpu Zhou
- Joint Key Laboratory of the Ministry of EducationInstitute of Applied Physics and Materials EngineeringUniversity of MacauAvenida da UniversidadeTaipaMacauChina
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Weldemhret TG, Park YT, Song JI. Recent progress in surface engineering methods and advanced applications of flexible polymeric foams. Adv Colloid Interface Sci 2024; 326:103132. [PMID: 38537566 DOI: 10.1016/j.cis.2024.103132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/15/2024] [Accepted: 03/10/2024] [Indexed: 04/13/2024]
Abstract
Polymeric foams, also known as three-dimensional (3D) polymeric sponges, are lightweight, flexible, compressible, and possess a high surface area compared with other bulk polymers. These sponges have traditionally been used for mattresses or seat cushions in homes, offices, aircraft, automobiles, and trains, and to insulate against heat, electricity, and noise. Recently, the demand for modern materials has expanded the application of polymeric foams to various high-value technologies, including in areas that need high flame retardancy, flame sensors, oil/water separation, metal adsorption, solar steam generation, piezoresistivity, electromagnetic interference shielding, thermal energy storage, catalysis, supercapacitors, batteries, and triboelectric energy harvesting. Proper modification of foams is a prerequisite for their use in high-value applications. Several new strategies for the surface coating of 3D porous foams and novel emerging applications have been recently developed. Therefore, in this review, current advances in the field of surface coating and the application of 3D polymeric foams are discussed. A brief background on 3D polymeric foams, including the unique properties and benefits of polymeric sponges and their routes of synthesis, is presented. Different coating strategies for polymeric sponges are discussed, and their advantages and drawbacks are highlighted. Different advanced applications of polymeric sponges, in conjunction with specific and detailed examples of the above-mentioned applications, are also described. Finally, challenges and potential applications related to the coating of polymeric foams are discussed. We envisage that this review will be useful to facilitate further research, promote continued efforts on the advanced applications mentioned above, and provide new stimuli for the design of novel polymeric sponges for future modern applications.
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Affiliation(s)
- Teklebrahan Gebrekrstos Weldemhret
- Department of Mechanical Engineering, Changwon National University, 20 Changwondaehak-ro, Uichang-gu, Changwon, Gyeongsangnam-do 51140, Republic of Korea; Division of Physics and Semiconductor Science, Dongguk University, Seoul 04620, Republic of Korea
| | - Yong Tae Park
- Department of Mechanical Engineering, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi-do 17058, Republic of Korea.
| | - Jung Il Song
- Department of Mechanical Engineering, Changwon National University, 20 Changwondaehak-ro, Uichang-gu, Changwon, Gyeongsangnam-do 51140, Republic of Korea.
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Wang C, Xiang Y, Ma W, Guo C, Wu X. Therapeutic Potential Evaluation of Silk Sericin Stabilized Fisetin to Ulcerative Colitis. Macromol Biosci 2024; 24:e2300277. [PMID: 37658682 DOI: 10.1002/mabi.202300277] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
Ulcerative colitis is a chronic inflammatory bowel disease with a high recurrence rate. Natural phytochemical compounds are increasingly being considered as preventative and supportive treatments for this condition. However, the poor water solubility and stability of many of these compounds limit their effectiveness in vivo. To address this issue, fisetin (FT), a natural phytochemical with poor solubility, is stabilized using silk sericin (SS) to create a composite (SS/FT). The therapeutic potential of the SS/FT on ulcerative colitis is extensively investigated, and the results showed that it effectively alleviated the body weight loss and colon length shortening induced by dextran sulfate sodium. Notably, SS/FT downregulated the immune response, decreased colonic histopathological lesions, and reduced the cGAS/STING signal activation. This suggests that SS/FT may offer a promising therapy for treating ulcerative colitis.
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Affiliation(s)
- Chunru Wang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Yingjie Xiang
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Wenjie Ma
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Chuanlong Guo
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
| | - Xiaochen Wu
- Department of Pharmacy, College of Chemical Engineering, Qingdao University of Science and Technology, Qingdao, 266042, China
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Hu DD, Zhang YX, Li YD, Zeng JB. Fully biobased hydrogel based on chitosan and tannic acid coated cotton fabric for underwater superoleophobicity and efficient oil/water separation. Int J Biol Macromol 2024; 254:127892. [PMID: 37952799 DOI: 10.1016/j.ijbiomac.2023.127892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/15/2023] [Accepted: 11/02/2023] [Indexed: 11/14/2023]
Abstract
Underwater superoleophobic (UWSO) materials have garnered significant attention in separating oil/water mixtures. But, the majority of these materials are made from non-degradable and non-renewable raw materials, polluting the environment and wasting scarce resources while using them. Against this backdrop, this study aimed to fabricate an environmental-friendly UWSO textile using biobased materials. To achieve this, hydrogel consisting of chitosan (CS) and poly(tannic acid) (PTA) were formed and coated on cotton fabric (CTF) via dip-coating followed by oxidative polymerization. CS&PTA hydrogel endowed the CTF with a rough surface and high surface energy, leading to an UWSO CTF with an underwater oil contact angle as high as 166.84°. The CS&PTA/CTF had excellent separation capability toward various oil/water mixtures, showing separation efficiency above 99.84 % and water flux higher than 23, 999 L m-2 h-1. Moreover, CS&PTA/CTF possessed excellent mechanical and environmental stability with underwater superoleophobicity unchanged after sandpaper friction, ultrasonication, organic solvents, NaCl (m/v, 30 %) solution, and acid/base solution immersion, due to the strong interaction between the hydrogel and cotton fabric generated by the mussel-inspired adhesion owing to the presence of PTA. The fully biobased UWSO CTF exhibits great promising to be an alternative to traditional superwetting materials for separation of oil/water mixtures.
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Affiliation(s)
- Dan-Dan Hu
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Ye-Xin Zhang
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Yi-Dong Li
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China
| | - Jian-Bing Zeng
- Chongqing Key Laboratory of Soft-Matter Material Chemistry and Function Manufacturing, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
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Karmelich C, Wan Z, Tian W, Crooke E, Qi X, Carroll A, Konstas K, Wood C. Advancing hyper-crosslinked materials with high efficiency and reusability for oil spill response. Sci Rep 2023; 13:9779. [PMID: 37328512 DOI: 10.1038/s41598-023-36577-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 06/06/2023] [Indexed: 06/18/2023] Open
Abstract
Developing materials with high efficiency for recovering oil to mitigate the environmental impact of oil spills has always been a challenging task. A commercial melamine formaldehyde sponge was coated with an optimised superhydrophobic/superoleophilic hyper-crosslinked polymer and applied to the removal of crude oil from oil-in-water emulsions for the improvement of oil spill clean-up processes. The high surface area, porosity, hydrophobicity, and selectivity of oil over water made the hyper-crosslinked polymer coated sponge (HPCS) an ideal sorbent for efficient oil/water separation. The system was able to strip crude oil from water emulsions of 1000 ppm to a negligible level of 2 ppm oil with minimal amounts of the HPCS material. More importantly, the HPCS material could be reused via a simple mechanical compression process, and the uptake capacity was retained over ten cycles. For five cycles of oil adsorption/mechanical compression the HPCS was able to provide water filtrate with oil concentrations of under 15 ppm. This is an effective and economical recovery system, removing the need for consistent solvent washing and drying processes. These results suggest that the HPCS is a promising material for oil/water separation and recovery under challenging conditions.
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Affiliation(s)
- Caleb Karmelich
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia
| | - Zhijian Wan
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia
| | - Wendy Tian
- Manufacturing, Commonwealth Scientific Industrial Research Organisation (CSIRO), Clayton, VIC, 3168, Australia
| | - Emma Crooke
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia
| | - Xiubin Qi
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia
| | - Ann Carroll
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia
| | - Kristina Konstas
- Commonwealth Scientific Industrial Research Organisation (CSIRO), Private Bag 10, Clayton South MDC, VIC, 3169, Australia
| | - Colin Wood
- Energy Business Unit, Commonwealth Scientific Industrial Research Organisation (CSIRO), Kensington, WA, 6151, Australia.
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Justin Koh J, Pang P, Chakraborty S, Kong J, Sng A, Anukunwithaya P, Huang S, Koh XQ, Thenarianto C, Thitsartan W, Daniel D, He C. Presence, origins and effect of stable surface hydration on regenerated cellulose for underwater oil-repellent membranes. J Colloid Interface Sci 2023; 635:197-207. [PMID: 36587573 DOI: 10.1016/j.jcis.2022.12.109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 12/13/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
HYPOTHESIS Underwater oil-repellency of polyelectrolyte brushes has been attributed mainly to electric double-layer repulsion forces based on Derjaguin-Landau-Verwey-Overbeek (DLVO) theory. Many non-polyelectrolyte materials also exhibit oil-repellent behaviour, but it is not clear if there exist similar electric double-layer repulsion and if it is the sole mechanism governing their underwater oil-repellency. EXPERIMENTS/SIMULATIONS In this article, the oil-repellency of highly amorphous cellulose exhibiting is investigated in detail, through experiments and molecular dynamics simulations (MDS). FINDINGS It was found that the stable surface hydration on regenerated cellulose was due to a combination of long-range electrostatic repulsions (DLVO theory) and short-range interfacial hydrogen bonding between cellulose and water molecules (as revealed by MDS). The presence of a stable water layer of about 200 nm thick (similar to that of polyelectrolyte brushes) was confirmed. Such stable surface hydration effectively separates cellulose surface from oil droplets, resulting in extremely low adhesion between them. As a demonstration of its practicality, regenerated cellulose membranes were fabricated via electrospinning, and they exhibit high oil/water separation efficiencies (including oil-in-water emulsions) as well as self-cleaning ability.
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Affiliation(s)
- J Justin Koh
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore; Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
| | - Pengfei Pang
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
| | - Souvik Chakraborty
- Institute of High Performance Computing, Agency for Science, Technology and Research, 1 Fusionopolis Way, 16-16 Connexis North, Singapore 138632, Singapore
| | - Junhua Kong
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
| | - Anqi Sng
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
| | - Patsaya Anukunwithaya
- Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore
| | - Shujuan Huang
- NUS Environment Research Institute, National University of Singapore, 5A Engineering Drive 1, Singapore 117411, Singapore
| | - Xue Qi Koh
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
| | - Calvin Thenarianto
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
| | - Warintorn Thitsartan
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore
| | - Dan Daniel
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore; Division of Physical Sciences and Engineering, King Abdullah University of Science and Technology (KAUST), Thuwal 23955-6900, Saudi Arabia.
| | - Chaobin He
- Institute of Materials Research and Engineering, Agency for Science, Technology, and Research (A*STAR), 2 Fusionopolis Way, Innovis, Singapore 138634, Singapore; Department of Materials Science and Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.
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Xiang W, Gong S, Zhu J. Eco-Friendly Fluorine Functionalized Superhydrophobic/Superoleophilic Zeolitic Imidazolate Frameworks-Based Composite for Continuous Oil-Water Separation. Molecules 2023; 28:molecules28062843. [PMID: 36985815 PMCID: PMC10054728 DOI: 10.3390/molecules28062843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 03/30/2023] Open
Abstract
Superhydrophobic metal-organic framework (MOF)-based sponges have received increasing attention in terms of treating oil-water mixtures. However, highly fluorinated substances, commonly used as modifiers to improve the hydrophobicity of MOFs, have aroused much environmental concern. Developing a green hydrophobic modification is crucial in order to prepare superhydrophobic MOF-sponge composites. Herein, we report the preparation of a porous composite sponge via a polydopamine (PDA)-assisted growth of zeolitic imidazolate frameworks (ZIF-90) and eco-friendly hydrophobic short-chain fluorinated substances (trifluoroethylamine) on a melamine formaldehyde (MF) sponge. The composite sponge (F-ZIF-90@PDA-MF) exhibited superhydrophobicity (water contact angle, 153°) and superoleophilicity (oil contact angle, 0°), which is likely due to the combination of the low surface energy brought on by the grafted CF3 groups, as well as the rough surface structures that were derived from the in situ growth of ZIF-90 nanoparticles. F-ZIF-90@PDA-MF showed an excellent adsorption capacity of 39.4-130.4 g g-1 for the different organic compounds. The adsorbed organic compounds were easily recovered by physical squeezing. Continuous and selective separation for the different oil-water mixtures was realized by employing the composite sponge as an absorbent or a filter. The separation efficiency and flux reached above 99.5% and went up to 7.1 ×105 L m-2 h-1, respectively. The results illustrate that the superhydrophobic and superoleophilic F-ZIF-90@PDA-MF sponge has potential in the field of water-oil separation, especially for the purposes of large-scale oil recovery in a water environment.
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Affiliation(s)
- Wenlong Xiang
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou 363000, China
- Fujian Province University Key Laboratory of Pollution Monitoring and Control, Minnan Normal University, Zhangzhou 363000, China
| | - Siyu Gong
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou 363000, China
| | - Jiabin Zhu
- College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou 363000, China
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Pham AD, Tao QB, Nam PC. Optimizing the Superhydrophobicity of the Composite PDMS/PUA Film Produced by a R2R System. Ind Eng Chem Res 2023. [DOI: 10.1021/acs.iecr.2c04491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Anh-Duc Pham
- Faculty of Mechanical Engineering, The University of Danang─University of Science and Technology, Danang City 550000, Vietnam
| | - Quang Bang Tao
- Faculty of Mechanical Engineering, The University of Danang─University of Science and Technology, Danang City 550000, Vietnam
| | - Pham Cam Nam
- Faculty of Chemical Engineering, The University of Danang─University of Science and Technology, Danang City 550000, Vietnam
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Baig N, Kammakakam I. Special wettable Azadirachta indica leaves like microarchitecture mesh filtration membrane produced by galvanic replacement reaction for layered oil/water separation. CHEMOSPHERE 2023; 313:137544. [PMID: 36528151 DOI: 10.1016/j.chemosphere.2022.137544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/28/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
The oil/water separation has received significant attention due to its critical environmental impact. The special wettable surfaces are highly desired to deal with the oil/water mixtures. This work demonstrates a simple two-step method to develop a superhydrophobic Azadirachta indica leaves like Ag-decorated electrochemically copper-coated stainless-steel mesh (SH-AIL-Ag-EC-Cu-Mesh) for efficient separation of oil/water mixtures. In the first step, the electrodeposition of the copper took place on the mesh surface at a suitable applied potential. In the second step, the galvanic replacement reaction between the Ag+ and electrodeposited Cu produced the fascinating superhydrophobic Ag leaves on the mesh surface. The SH-AIL-Ag-EC-Cu-Mesh was thoroughly characterized by the X-ray photoelectron spectroscopy (XPS), Energy Dispersive X-Ray Spectroscopy (EDX), elemental mapping, surface wettability analysis, and the contact analyzer. The morphological analysis has shown the unique leafy structures of the reduced Ag on the surface of the mesh. The XPS analysis has confirmed that most of the Ag present on the surface is in zerovalent form. The combination of the electrodeposition and the displacement reaction between the copper and the silver turned the surface superhydrophobic, and the water contact angle was significantly improved from 115° to 158°. The designed SH-AIL-Ag-EC-Cu-Mesh has shown excellent selectivity for oil in oil/water mixtures with a separation efficiency of 99.1% with an exceptionally high flux of 8963 L m-2h-1. The SH-AIL-Ag-EC-Cu-Mesh has shown excellent reusability, and after 15 cycles of separation, no significant decrease in the oil/water separation efficiency was observed.
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Affiliation(s)
- Nadeem Baig
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, 31261, Saudi Arabia.
| | - Irshad Kammakakam
- Department of Chemical & Biological Engineering, University of Alabama, Tuscaloosa, AL, 35487-0203, USA.
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Zeng Q, Xu C, Huang J, Guo Z. A biomimetic durable superhydrophobic 3D porous composite with flame retardant for multi-environment adsorption emulsion separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Ghorbani L, Caschera D, Shokri B. Effect of Oxygen Plasma Pre-Treatment on the Surface Properties of Si-Modified Cotton Membranes for Oil/Water Separations. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8551. [PMID: 36500046 PMCID: PMC9739082 DOI: 10.3390/ma15238551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/23/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Hydrophobic and oleophilic Si-based cotton fabrics have recently gained a lot of attention in oil/water separation due to their high efficiency. In this study, we present the effect of O2 plasma pre-treatment on the final properties of two Si-based cotton membranes obtained from dip coating and plasma polymerization, using polydimethylsiloxane (PDMS) as starting polymeric precursor. The structural characterizations indicate the presence of Si bond on both the modified cotton surfaces, with an increase of the carbon bond, assuring the success in surface modification. On the other hand, employing O2 plasma strongly changes the cotton morphology, inducing specific roughness and affecting the hydrophobicity durability and separation efficiency. In particular, the wettability has been retained after 20 laundry tests at 40 °C and 80 °C, and, for separation efficiency, even after 30 cycles, an improvement in the range of 10-15%, both at room temperature and at 90 °C can be observed. These results clearly demonstrate that O2 plasma pre-treatment, an eco-friendly, non-toxic, solvent-free, and one-step method for inducing specific functionalities on surfaces, is very effective in enhancing the oil/water separation properties for Si-based cotton membranes, especially in combination with plasma polymerization procedure for Si-based deposition.
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Affiliation(s)
- Leila Ghorbani
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran 19839, Iran
| | - Daniela Caschera
- Institute for the Study of Nanostructured Materials, Strada Provinciale 35 d, n. 9, Montelibretti, 00010 Rome, Italy
| | - Babak Shokri
- Laser and Plasma Research Institute, Shahid Beheshti University, Tehran 19839, Iran
- Faculty of Physics, Shahid Beheshti University, Tehran 19839, Iran
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Uricchio A, Lasalandra T, Tamborra ERG, Caputo G, Mota RP, Fanelli F. Atmospheric Pressure Plasma-Treated Polyurethane Foam as Reusable Absorbent for Removal of Oils and Organic Solvents from Water. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7948. [PMID: 36431434 PMCID: PMC9693071 DOI: 10.3390/ma15227948] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 06/16/2023]
Abstract
This paper reports the optimization of a two-step atmospheric pressure plasma process to modify the surface properties of a polyurethane (PU) foam and, specifically, to prepare a superhydrophobic/superoleophilic absorbent for the removal of oils and nonpolar organic solvents from water. In particular, in the first step, an oxygen-containing dielectric barrier discharge (DBD) is used to induce the etching/nanotexturing of the foam surfaces; in the second step, an ethylene-containing DBD enables uniform overcoating with a low-surface-energy hydrocarbon polymer film. The combination of surface nanostructuring and low surface energy ultimately leads to simultaneous superhydrophobic and superoleophilic wetting properties. X-ray photoelectron spectroscopy, scanning electron microscopy and water contact angle measurements are used for the characterization of the samples. The plasma-treated PU foam selectively absorbs various kinds of hydrocarbon-based liquids (i.e., hydrocarbon solvents, mineral oils, motor oil, diesel and gasoline) up to 23 times its own weight, while it completely repels water. These absorption performances are maintained even after 50 absorption/desorption cycles and after immersion in hot water as well as acidic, basic and salt aqueous solutions. The plasma-treated foam can remove mineral oil while floating on the surface of mineral oil/water mixtures with a separation efficiency greater than 99%, which remains unaltered after 20 separation cycles.
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Affiliation(s)
- Antonella Uricchio
- Department of Chemistry, University of Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, Italy
| | - Teresa Lasalandra
- Department of Chemistry, University of Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, Italy
| | - Eliana R. G. Tamborra
- Department of Chemistry, University of Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, Italy
| | - Gianvito Caputo
- Nanochemistry Department, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy
| | - Rogério P. Mota
- Department of Physics, Faculty of Engineering and Science, São Paulo State University (UNESP), 12516-410 Guaratinguetá, SP, Brazil
| | - Fiorenza Fanelli
- Institute of Nanotechnology (NANOTEC), National Research Council (CNR), c/o Department of Chemistry, University of Bari “Aldo Moro”, Via Orabona 4, 70125 Bari, Italy
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Zhu Y, Liu Y, Mohamed HF, Zheng X, He J, Lin L. Rigid, eco-friendly and superhydrophobic SiO 2-Polyvinyl alcohol composite sponge for durable oil remediation. CHEMOSPHERE 2022; 307:135990. [PMID: 35977562 DOI: 10.1016/j.chemosphere.2022.135990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 07/23/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Development of durable and eco-friendly adsorbents for oil remediation is in great demands. However, most of adsorbents were designed to pursue large capabilities while ignored their strength after adsorbing oil, which might cause secondary oil spilling during complex salvage process. Herein, an eco-friendly and superhydrophobic SiO2-modified polyvinyl alcohol composite (H-SiO2-G-PVA) sponge with extraordinary rigid structure after oil adsorption is designed for durable oil remediation. Through a two-step hydrolysis-condensation process including deposition of silica microparticles and introduction of hexadecyltrimethoxysilane (HDTMS), a superhydrophobic H-SiO2-G-PVA sponge has been successfully constructed. The sponge presents stable superhydrophobicity in various complex environments,therefore it efficiently adsorbs oil from water (up to 6 g g-1) and separate surfactant-stabilized water/oil emulsion with high efficiency (>99%). Noticeably, the H-SiO2-G-PVA sponge maintains tough strength (3.5 MPa) after oil adsorption, which ideally overcomes secondary oil spilling problem and endows the sponge with excellent recycling performances (>20 cycles). Meanwhile, the excellent biocompatibility of the sponge (high cell viability of 91.85%) ensures the potential for practical applications. This rigid, eco-friendly oil-adsorbing sponge that achieves stable superhydrophobicity and recyclability, fulfills the application needs for durable oil remediation.
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Affiliation(s)
- Yi Zhu
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China
| | - Yuansen Liu
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China; Fujian Provincial Key Laboratory of Island Conservation and Development, Island Research Center, Ministry of Natural Resources, Pingtan, 350400, PR China
| | - Hala F Mohamed
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China; Botany & Microbiology Department, Faculty of Science, Al-Azhar University (Girls Branch), Cairo, Egypt
| | - Xinqing Zheng
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China
| | - Jianlin He
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China; Fujian Provincial Key Laboratory of Island Conservation and Development, Island Research Center, Ministry of Natural Resources, Pingtan, 350400, PR China
| | - Ling Lin
- Technical Innovation Center for Utilization of Marine Biological Resources, Third Institute of Oceanography Ministry of Natural Resources, Xiamen, 361005, PR China; Fujian Provincial Key Laboratory of Island Conservation and Development, Island Research Center, Ministry of Natural Resources, Pingtan, 350400, PR China.
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14
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Sutar RS, Latthe SS, Gharge NB, Gaikwad PP, Jundle AR, Ingole SS, Ekunde RA, Nagappan S, Park KH, Bhosale AK, Liu S. Facile Approach to Fabricate a High-Performance Superhydrophobic PS/OTS Modified SS Mesh for Oil-Water Separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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15
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Habibi N, Bagherifard M, Pourjavadi A. Facile fabrication of flame-resistant, photothermal, and electrothermal polyurethane sponge: A promising sorbent for all-weather recovery of viscous crude oil spills from seawater. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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16
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Wang H, Zhao Q, Zhang K, Wang F, Zhi J, Shan CX. Superhydrophobic Nanodiamond-Functionalized Melamine Sponge for Oil/Water Separation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:11304-11313. [PMID: 36070415 DOI: 10.1021/acs.langmuir.2c01480] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Fabrication of absorbent materials foroil/water separation is an important ecological pursuit for oil spill clean-up and organic pollutants' removal. In this study, nanodiamonds (NDs), a promising member of the carbon family, were functionally modified by the covalent linking of octadecylamine (ODA). Subsequently, the superhydrophobic sponge with hierarchical microstructures was fabricated by embedding ND-ODA into a melamine sponge (MS) skeleton via a simple immersion-drying process. The as-prepared sponge (ND-ODA@PDMS@MS) showed superhydrophobic properties with a water contact angle of 155 ± 2°. For various oils and organic solvents, ND-ODA@PDMS@MS possesses excellent absorption capacity (26.65-55.64 g/g) and oil/water separation efficiency (above 98.6%). Furthermore, the adsorption capacity to crude oil remained relatively stable in highly acidic, alkaline, and salty conditions, ensuring the application in the clean-up of industrial oily sewages and marine oil spills. Besides absorbing oil for a single time, ND-ODA@PDMS@MS also exhibited satisfactory performance in continuous oil/water separation. Therefore, this work provides a facile strategy to produce robust and efficient absorbent materials for oil/water separation in large-scale oil and organic solvent clean-ups.
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Affiliation(s)
- Hui Wang
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Qi Zhao
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Kuikui Zhang
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Futao Wang
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jinfang Zhi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
| | - Chong-Xin Shan
- Henan Key Laboratory of Diamond Optoelectronic Materials and Devices, Key Laboratory of Material Physics, Ministry of Education, School of Physics and Microelectronics, Zhengzhou University, Zhengzhou 450001, P. R. China
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17
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Fan Q, Lu T, Deng Y, Zhang Y, Ma W, Xiong R, Huang C. Bio-based materials with special wettability for oil-water separation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121445] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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18
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Superhydrophobic covalent organic frameworks prepared via nucleophilic substitution reaction for effective oil/water separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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Natural silk fibers incorporated aramid nanofibers sponges for efficient oil/water separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129323] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Three-dimensional and Flexible Carbon Nanofiber Mat by One-step Electrospinning for Efficient Oil/Water Separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129824] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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21
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Non-toxic self-cleaning large area cement blocks fabrication by biomimicking superhydrophobic periwinkle flowers. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129112] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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22
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Fabrication of Carbon Aerogels Derived from Metal-Organic Frameworks/Carbon Nanotubes/Cotton Composites as an Efficient Sorbent for Sustainable Oil–Water Separation. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12147285] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Due to the continuous occurrence of water pollution problems, practical separation methods for oil–water mixtures have attracted more and more attention. To date, different kinds of materials have been developed with good hydrophobic properties and strong separation ability. Carbon aerogels, as a promising ideal adsorbent for dealing with oil-spill accidents, have received extensive attention. In this work, zeolitic imidazolate frameworks (ZIFs), nanoparticles, and carbon nanotubes (CNTs) in the three-dimensional (3D) interconnected network structure of cotton balls (CBs) were successfully prepared by a simple and scalable process. The as-prepared carbonized CBs with carbonized ZIF-8 and CNTs (CZIF-8/CNTs/CCBs) were characterized. The oil–water separation performance of the composite was also measured. The results show that the ZIF-8 clusters intercalated with abundant CNTs are fully loaded into the porous structure of the CBs after the in situ synthesis process. Additionally, ZIF-8/CNTs/CBs was carbonized in nitrogen, leading to the formation of CZIF-8/CNTs/CCBs. The prepared material possesses excellent hydrophobicity with a water contact angle of 152.7°, showing good absorption capacities Q1 in the range of 48 to 84 times its original weight for oil and organic liquids. In addition, CZIF-8/CNTs/CCBs exhibits good recyclability in the absorption–distillation test. In summary, this study proposes a novel and simple method for the preparation of a superhydrophobic material that could have wide application in the separation of oil–water mixtures.
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23
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Ren F, He R, Ren J, Tao F, Yang H, Lv H, Ju X. A Friendly UV-Responsive Fluorine-Free Superhydrophobic Coating for Oil-Water Separation and Dye Degradation. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20220042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Fangyuan Ren
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Rui He
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Jinping Ren
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Furong Tao
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Huanhuan Yang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Hongshui Lv
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
| | - Xiuqin Ju
- School of Chemistry and Chemical Engineering, State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, P. R. China
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24
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Xue Y, Duan S, Liu Z, Cui M, Xiong Z, Liu Z, Chen J. An autocatalytic CO hydrogenation approach for the fabrication of stable Fe-based superhydrophobic surfaces. Chem Commun (Camb) 2022; 58:8706-8709. [PMID: 35833515 DOI: 10.1039/d2cc03113b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Stable Fe-based superhydrophobic surfaces are constructed via a hydrothermal method and an autocatalytic CO hydrogenation reaction. The platform molecule of syngas is proposed as an alternative to traditional low-free-energy materials. Syngas may be a powerful tool for fabricating superhydrophobic surfaces that can catalyze the CO hydrogenation reaction.
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Affiliation(s)
- Yingying Xue
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Shengyang Duan
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Zihao Liu
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Miaomiao Cui
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Zhanghui Xiong
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Zengchen Liu
- School of Chemistry & Chemical Engineering, Zhoukou Normal University, Zhoukou, 466001, China.
| | - Jiangang Chen
- State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan, 030001, China
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25
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Lartey PO, Li D, Li J, Qin W, Guo K, Ma J. Fluoropolymer-based Hybrid Superhydrophobic Nanocomposite Coating with Antifouling and Self-Cleaning Properties for Efficient Oil/Water Separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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26
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Zheng X, Zhang H, Liu M, Zhou X, Wang H, Jiang R. Porous sponge with surface modified for superhydrophobic/superoleophilic and special functionalization. JOURNAL OF POLYMER RESEARCH 2022. [DOI: 10.1007/s10965-022-03031-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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27
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Cheng X, Liu W, Zhang C, Chen X, Duan S, Fu H. Synthesis and electrospinning of multiscale‐ordered
PLA
/
LDH
@
AgGB
composite nanofibrous membrane for antibacterial and oil–water separation. J Appl Polym Sci 2022. [DOI: 10.1002/app.52621] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xiao‐Qiong Cheng
- Guizhou Norm University School of Materials and Architectural Engineering Guiyang People's Republic of China
| | - Wei Liu
- Guizhou Institutes of Technology School of Materials and Energy Engineering Guiyang People's Republic of China
| | - Chun Zhang
- Guizhou Institutes of Technology School of Materials and Energy Engineering Guiyang People's Republic of China
| | - Xiao‐Cheng Chen
- Guizhou Institutes of Technology School of Materials and Energy Engineering Guiyang People's Republic of China
| | - Shu‐Qian Duan
- Guizhou Norm University School of Materials and Architectural Engineering Guiyang People's Republic of China
| | - Hai Fu
- Guizhou Norm University School of Materials and Architectural Engineering Guiyang People's Republic of China
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28
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Facile Construction and Fabrication of a Superhydrophobic and Super Oleophilic Stainless Steel Mesh for Separation of Water and Oil. NANOMATERIALS 2022; 12:nano12101661. [PMID: 35630883 PMCID: PMC9147946 DOI: 10.3390/nano12101661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/10/2022] [Accepted: 05/11/2022] [Indexed: 12/04/2022]
Abstract
The fluoride-free fabrication of superhydrophobic materials for the separation of oil/water mixtures has received widespread attention because of frequent offshore oil exploration and chemical leakage. In recent years, oil/water separation materials, based on metal meshes, have drawn much attention, with significant advantages in terms of their high mechanical strength, easy availability, and long durability. However, it is still challenging to prepare superhydrophobic metal meshes with high-separation capacity, low costs, and high recyclability for dealing with oil–water separation. In this work, a superhydrophobic and super oleophilic stainless steel mesh (SSM) was successfully prepared by anchoring Fe2O3 nanoclusters (Fe2O3-NCs) on SSM via the in-situ flame synthesis method and followed by further modification with octadecyltrimethoxysilane (OTS). The as-prepared SSM with Fe2O3-NCs and OTS (OTS@Fe2O3-NCs@SSM) was confirmed by a field emission scanning electron microscope (FESEM), transmission electron microscope (TEM), energy dispersive spectrometer (EDS), X-ray photoelectron spectrometer (XPS), and X-ray diffractometer (XRD). The oil–water separation capacity of the sample was also measured. The results show that the interlaced and dense Fe2O3-NCs, composed of Fe2O3 nanoparticles, were uniformly coated on the surface of the SSM after the immerging-burning process. Additionally, a compact self-assembled OTS layer with low surface energy is coated on the surface of Fe2O3-NCs@SSM, leading to the formation of OTS@Fe2O3-NCs@SSM. The prepared OTS@Fe2O3-NCs@SSM shows excellent superhydrophobicity, with a water static contact angle of 151.3°. The separation efficiencies of OTS@Fe2O3-NCs@SSM for the mixtures of oil/water are all above 98.5%, except for corn oil/water (97.5%) because of its high viscosity. Moreover, the modified SSM exhibits excellent stability and recyclability. This work provides a facile approach for the preparation of superhydrophobic and super oleophilic metal meshes, which will lead to advancements in their large-scale applications on separating oil/water mixtures.
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29
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Phomrak S, Phisalaphong M, Zhang Newby BM. Surface Wettability of Cellulose Sponges on Effective Oil Uptake. ACS APPLIED BIO MATERIALS 2022; 5:2622-2632. [PMID: 35543617 DOI: 10.1021/acsabm.2c00095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Designing absorbents having specific wettability toward both oil and water is the key for selective and effective oil absorption and removal. For this purpose, establishing explicit correlations between surface tension of oils and surface wettability of absorbent is crucial. In this study, we modified common low-cost cellulose sponges with various organosilanes to achieve a range of hydrophobicity/oleophilicity and then assessed their oil uptake selectivity and capability. Oil uptake was followed as mass uptake versus time and analyzed based on the spreading coefficient (S) of a liquid over a solid surface. The results showed that sponges needed to be hydrophobic, not necessarily superhydrophobic, to selectively absorb oil from an oil/water mixture. To achieve a fast uptake and a high uptake capacity, an S ≥ 0 was necessary, that is, when the sponges were completely wet by the oil. Increasing the porosity of cellulose sponge led to a slight increase in oil uptake capacity, and a greater increase resulted when bacterial cellulose sponges that consisted of smaller and more uniform voids/pores were used. S ≥ 0 could be used as a criterion for evaluating effective and rapid oil uptake for porous absorbents, especially for those containing heterogeneous pore structures, such as common cellulose sponges.
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Affiliation(s)
- Sirilak Phomrak
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand.,Department of Chemical, Biomolecular and Corrosion Engineering, The University of Akron, Akron, Ohio 44325-3906, United States
| | - Muenduen Phisalaphong
- Department of Chemical Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330, Thailand
| | - Bi-Min Zhang Newby
- Department of Chemical, Biomolecular and Corrosion Engineering, The University of Akron, Akron, Ohio 44325-3906, United States
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30
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Wang C, Zhou L, Ma C, Zhang L, Li Y. Synthesis of cellulose based super absorbent and its excellent oil–water separation properties. J Appl Polym Sci 2022. [DOI: 10.1002/app.51858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Chun Wang
- School of Biological and Food Engineering Guangdong University of Petrochemical Technology Maoming China
| | - Li Zhou
- School of Biological and Food Engineering Guangdong University of Petrochemical Technology Maoming China
| | - Chao Ma
- School of Biological and Food Engineering Guangdong University of Petrochemical Technology Maoming China
| | - Lu Zhang
- Guangdong Biomaterials Engineering Technology Research Center Institute of Biological and Medical Engineering, Guangdong Academy of Sciences Guangzhou P. R. China
| | - Yuan Li
- Guangdong Biomaterials Engineering Technology Research Center Institute of Biological and Medical Engineering, Guangdong Academy of Sciences Guangzhou P. R. China
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31
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Niu Z, Luo W, Liu W, Sun Q, Mu P, Li J. One-step constructing of underwater superoleophobic bed for highly efficient oil-in-water emulsions separation. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2022.2049291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Zhenhua Niu
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
| | - Wenjia Luo
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
| | - Weimin Liu
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
| | - Qing Sun
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
| | - Peng Mu
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
| | - Jian Li
- Gansu International Scientific and Technological Cooperation Base of Water-retention Chemical Functional Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, P. R. China
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32
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Makoś-Chełstowska P, Słupek E, Małachowska A. Superhydrophobic sponges based on green deep eutectic solvents for spill oil removal from water. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127972. [PMID: 34891017 DOI: 10.1016/j.jhazmat.2021.127972] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/19/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
The paper described a new method for crude oil-water separation by means of superhydrophobic melamine sponges impregnated by deep eutectic solvents (MS-DES). Due to the numerous potential of two-component DES formation, simple and quick screening of 156 non-ionic deep eutectic solvents using COSMO-RS (Conductor-like Screening Model for Real Solvents) computational model was used. DES which were characterized by high solubility of hydrocarbons and the lowest water solubility were synthesized and embedded on melamine sponges. The new sponges were characterized by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), X-ray diffraction (XRD), and goniometer. Several parameters affecting the crude oil-water separation (i.e. type and amount of DES, density and porosity of sponges, water contact eagle) were thoroughly studied. In order to studies of MS-DES affinity to the selected groups of crude oil i.e. Saturated, Aromatic, Resins, Asphaltenes (SARA) the thin layer liquid chromatography-flame ionization detection (TLC-FID) was used. The obtained results indicate that the melamine sponges impregnated by DES composed of eucalyptol and menthol in 1:5 molar ratio have high real crude oil absorption capacity in the range of 96.1 - 132.2 g/g and slightly depends on crude oil compositions, superhydrophobic properties (water contact angle 152°), low density of 9.23 mg/cm3, high porosity of 99.39%, and excellent reusability which was almost not changing even after 80 cycles. The outcomes indicate that new MS-DES materials could be excellent alternatives as absorbents for the cleanup of crude oil-polluted water.
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Affiliation(s)
- Patrycja Makoś-Chełstowska
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, G. Narutowicza St. 11/12, 80-233 Gdańsk, Poland.
| | - Edyta Słupek
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, G. Narutowicza St. 11/12, 80-233 Gdańsk, Poland
| | - Aleksandra Małachowska
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, G. Narutowicza St. 11/12, 80-233 Gdańsk, Poland
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33
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He Z, Wu H, Shi Z, Kong Z, Ma S, Sun Y, Liu X. Facile Preparation of Robust Superhydrophobic/Superoleophilic TiO 2-Decorated Polyvinyl Alcohol Sponge for Efficient Oil/Water Separation. ACS OMEGA 2022; 7:7084-7095. [PMID: 35252699 PMCID: PMC8892669 DOI: 10.1021/acsomega.1c06775] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Oily wastewater and oil spills pose a threat to the environment and human health, and porous sponge materials are highly desired for oil/water separation. Herein, we design a new superhydrophobic/superoleophilic TiO2-decorated polyvinyl alcohol (PVA) sponge material for efficient oil/water separation. The TiO2-PVA sponge is obtained by firmly anchoring TiO2 nanoparticles onto the skeleton surface of pristine PVA sponge via the cross-linking reactions between TiO2 nanoparticles and H3BO3 and KH550, followed by the chemical modification of 1H,1H,2H,2H-perfluorodecyltrichlorosilane. The as-prepared TiO2-PVA sponge shows a high water contact angle of 157° (a sliding angle of 5.5°) and an oil contact angle of ∼0°, showing excellent superhydrophobicity and superoleophilicity. The TiO2-PVA sponge exhibits excellent chemical stability, thermal stability, and mechanical durability in terms of immersing it in the corrosive solutions and solvents, boiling it in water, and the sandpaper abrasion test. Moreover, the as-prepared TiO2-PVA sponge possesses excellent absorption capacity of oils or organic solvents ranging from 4.3 to 13.6 times its own weight. More importantly, the as-prepared TiO2-PVA sponge can separate carbon tetrachloride from the oil-water mixture with a separation efficiency of 97.8% with the aid of gravity and maintains a separation efficiency of 96.5% even after 15 cyclic oil/water separation processes. Therefore, the rationally designed superhydrophobic/superoleophilic TiO2-PVA sponge shows great potential in practical applications of dealing with oily wastewater and oil spills.
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Affiliation(s)
- Zhiwei He
- Center
for Advanced Optoelectronic Materials, Anti-Icing Materials (AIM)
Laboratory, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Hanqing Wu
- School
of Mechanical Engineering, Hangzhou Dianzi
University, Hangzhou 310018, China
| | - Zhen Shi
- Institute
of Advanced Magnetic Materials, College of Materials and Environmental
Engineering, Hangzhou Dianzi University, Hangzhou 310012, China
| | - Zhe Kong
- Center
for Advanced Optoelectronic Materials, Anti-Icing Materials (AIM)
Laboratory, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Shiyu Ma
- Center
for Advanced Optoelectronic Materials, Anti-Icing Materials (AIM)
Laboratory, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Yuping Sun
- Center
for Advanced Optoelectronic Materials, Anti-Icing Materials (AIM)
Laboratory, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Xianguo Liu
- Institute
of Advanced Magnetic Materials, College of Materials and Environmental
Engineering, Hangzhou Dianzi University, Hangzhou 310012, China
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Wang C, Liu Y, Shao Y, Tang Z, Wen Z, Liang F, Yang Z. Zwitterionic Polymer Hairy Coating onto Mesh toward Easy Oil/Water Separation. Macromol Rapid Commun 2022; 43:e2200016. [PMID: 35218095 DOI: 10.1002/marc.202200016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 01/27/2022] [Indexed: 11/11/2022]
Abstract
A zwitterionic polymeric hair coated stainless steel mesh membrane is fabricated, which demonstrates efficient separation of oil/water mixtures and the emulsions. The hairy coating of poly(divinylbenzene-co-vinylbenzene chloride) (P(DVB-co-VBC)) is generated by precipitation cationic polymerization, and subsequent grafting a zwitterionic polymer layer by atom transfer radical polymerization (ATRP) of sulfobetaine methacrylate (SBMA). Microstructure of the hairy coating is tunable from array of individual nanofibers to porous network by interweaving of the hairs. The long-range attraction of zwitterionic polymer with water renders the coated mesh with excellent superhydrophilic and underwater superoleophobic performance. The coated mesh is highly antifouling to avoid the pre-hydration in conventional methods. Moreover, the microstructure is demonstrated to be responsible for the high separation efficiency of oil/water emulsion. Therefore, separation of oil/water mixtures and emulsions becomes easier by the coated mesh, which is promising in industrial oil field sewage treatment. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Chunyu Wang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yingze Liu
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yue Shao
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Zian Tang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Zhendong Wen
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Fuxin Liang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
| | - Zhenzhong Yang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing, 100084, China
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Lutz-Bueno V, Diaz A, Wu T, Nyström G, Geiger T, Antonini C. Hierarchical Structure of Cellulose Nanofibril-Based Foams Explored by Multimodal X-ray Scattering. Biomacromolecules 2022; 23:676-686. [PMID: 35194986 PMCID: PMC8924866 DOI: 10.1021/acs.biomac.1c00521] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
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Structural characterization
techniques are fundamental to correlate
the material macro-, nano-, and molecular-scale structures to their
macroscopic properties and to engineer hierarchical materials. Here,
we combine X-ray transmission with scanning small- and wide-angle
X-ray scattering (sSWAXS) to investigate ultraporous and lightweight
biopolymer-based foams using cellulose nanofibrils (CNFs) as building
blocks. The power of multimodal sSWAXS for multiscale structural characterization
of self-assembled CNFs is demonstrated by spatially resolved maps
at the macroscale (foam density and porosity), at the nanoscale (foam
structural compactness, CNF orientation in the foam walls, and CNF
packing state), and at the molecular scale (cellulose crystallite
dimensions). Specifically, we compare the impact of freeze–thawing–drying
(FTD) fabrication steps, such as static/stirred freezing and thawing
in ethanol/water, on foam structural hierarchy spanning from the molecular
to the millimeter scale. As such, we demonstrate the potential of
X-ray scattering imaging for hierarchical characterization of biopolymers.
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Affiliation(s)
- Viviane Lutz-Bueno
- Paul Scherrer Institute, 5232 Villigen, Switzerland.,Department of Health Sciences and Technology, ETH Zürich, 8092 Zürich, Switzerland
| | - Ana Diaz
- Paul Scherrer Institute, 5232 Villigen, Switzerland
| | - Tingting Wu
- Laboratory for Cellulose and Wood Materials, Empa Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Gustav Nyström
- Department of Health Sciences and Technology, ETH Zürich, 8092 Zürich, Switzerland.,Laboratory for Cellulose and Wood Materials, Empa Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Thomas Geiger
- Laboratory for Cellulose and Wood Materials, Empa Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland
| | - Carlo Antonini
- Laboratory for Cellulose and Wood Materials, Empa Swiss Federal Laboratories for Materials Science and Technology, 8600 Dübendorf, Switzerland.,Department of Materials Science, University of Milano-Bicocca, 20126 Milano, Italy
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Mokoba T, Lu J, Zhang TC, Ouyang L, Yuan S. Superhydrophobic ODT-TiO2 NW-PDA nanocomposite-coated polyurethane sponge for spilled oil recovery and oil/water separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127541] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Kang L, Zeng Q, Shi L, Zhou X, Wang M, Wan S, Song L, Liao B, Guo X. Fabrication of superhydrophobic nano-soil coated surfaces for oil/water separation and metal corrosion protection. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127713] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Sam EK, Ge Y, Liu J, Lv X. Robust, self-healing, superhydrophobic fabric for efficient oil/water emulsion separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126860] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Ye X, Wang M, Fan M. The simple preparation of superhydrophobic sponge with fluorinated graphene and carbon nanotube. J DISPER SCI TECHNOL 2021. [DOI: 10.1080/01932691.2021.1954014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Xiangyuan Ye
- Baoji R&D Center of Advanced Lubricating and Protecting Materials, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry & Chemical Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi, P. R. China
| | - Meigui Wang
- Baoji R&D Center of Advanced Lubricating and Protecting Materials, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry & Chemical Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi, P. R. China
| | - Mingjin Fan
- Baoji R&D Center of Advanced Lubricating and Protecting Materials, Shaanxi Key Laboratory of Phytochemistry, College of Chemistry & Chemical Engineering, Baoji University of Arts and Sciences, Baoji, Shaanxi, P. R. China
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Li H, Lin S, Feng X, Pan Q. Preparation of superhydrophobic and superoleophilic polyurethane foam for oil spill cleanup. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2021. [DOI: 10.1080/10601325.2021.1934013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Hao Li
- Green Polymer and Catalysis Technology Laboratory (GPACT), College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, China
| | - Shaohui Lin
- Green Polymer and Catalysis Technology Laboratory (GPACT), College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, China
| | - Xianshe Feng
- Department of Chemical Engineering, University of Waterloo, Waterloo, Ontario, Canada
| | - Qinmin Pan
- Green Polymer and Catalysis Technology Laboratory (GPACT), College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, China
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