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Krasanakis F, Chatzaki TM, Chrissopoulou K, Anastasiadis SH. Modifying flexible polymer films towards superhydrophobicity and superoleophobicity by utilizing water-based nanohybrid coatings. NANOSCALE 2023; 15:6984-6998. [PMID: 36974833 DOI: 10.1039/d2nr06780c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The development of superhydrophobic and/or superoleophobic materials has been attracting the attention of the scientific community due to their wide range of applications. In this work, waterborne nanocomposite coatings were developed to be deposited onto flexible polyethylene films in order to modify them into superhydrophobic and even superoleophobic. The coatings consisted of either a low surface energy mixture of silanes/siloxanes or a fluoropolymer in conjunction with the appropriate inorganic nanoparticles that provide the necessary roughness; the effects of nanoparticle type and content on the behaviour was investigated. In both cases, the surface properties were investigated, and the polymer films were found to be superhydrophobic. Depending on the system utilized, the final material exhibited either low water adhesion, thus, being water repellent, or high water adhesion. The use of the fluoropolymer has led to coatings that exhibited superoleophobic behaviour for various organic compounds, as well. The application of the coatings did not influence either the optical transparency or the thermal properties of the polyethylene films. Moreover, the coated surfaces show similar or even better mechanical properties, scratch resistance and chemical durability in comparison to the neat LDPE film.
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Affiliation(s)
- Fanourios Krasanakis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 711 10 Heraklion, Crete, Greece.
| | - Thaleia-Michaela Chatzaki
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 711 10 Heraklion, Crete, Greece.
- Department of Chemistry, University of Crete, 710 03 Heraklion, Crete, Greece
| | - Kiriaki Chrissopoulou
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 711 10 Heraklion, Crete, Greece.
| | - Spiros H Anastasiadis
- Institute of Electronic Structure and Laser, Foundation for Research and Technology-Hellas, 711 10 Heraklion, Crete, Greece.
- Department of Chemistry, University of Crete, 710 03 Heraklion, Crete, Greece
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2
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Zhou H, Niu H, Wang H, Lin T. Self-Healing Superwetting Surfaces, Their Fabrications, and Properties. Chem Rev 2023; 123:663-700. [PMID: 36537354 DOI: 10.1021/acs.chemrev.2c00486] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
The research on superwetting surfaces with a self-healing function against various damages has progressed rapidly in the recent decade. They are expected to be an effective approach to increasing the durability and application robustness of superwetting materials. Various methods and material systems have been developed to prepare self-healing superwetting surfaces, some of which mimic natural superwetting surfaces. However, they still face challenges, such as being workable only for specific damages, external stimulation to trigger the healing process, and poor self-healing ability in the water, marine, or biological systems. There is a lack of fundamental understanding as well. This article comprehensively reviews self-healing superwetting surfaces, including their fabrication strategies, essential rules for materials design, and self-healing properties. Self-healing triggered by different external stimuli is summarized. The potential applications of self-healing superwetting surfaces are highlighted. This article consists of four main sections: (1) the functional surfaces with various superwetting properties, (2) natural self-healing superwetting surfaces (i.e., plants, insects, and creatures) and their healing mechanism, (3) recent research development in various self-healing superwetting surfaces, their preparation, wetting properties in the air or liquid media, and healing mechanism, and (4) the prospects including existing challenges, our views and potential solutions to the challenges, and future research directions.
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Affiliation(s)
- Hua Zhou
- College of Textiles & Clothing, State Key Laboratory for Biofibers and Eco-textiles, Collaborative Innovation Centre for Eco-textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - Haitao Niu
- College of Textiles & Clothing, State Key Laboratory for Biofibers and Eco-textiles, Collaborative Innovation Centre for Eco-textiles of Shandong Province, Qingdao University, Qingdao 266071, China
| | - Hongxia Wang
- Institute for Frontier Materials, Deakin University, Geelong Victoria 3216, Australia.,Institute for Nanofiber Intelligent Manufacture and Applications, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
| | - Tong Lin
- Institute for Nanofiber Intelligent Manufacture and Applications, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China.,State Key Laboratory of Separation Membranes and Membrane Processes, School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
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3
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Anti-wetting surfaces with self-healing property: fabrication strategy and application. J IND ENG CHEM 2022. [DOI: 10.1016/j.jiec.2022.10.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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4
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Bai X, Yang Q, Li H, Huo J, Liang J, Hou X, Chen F. Sunlight Recovering the Superhydrophobicity of a Femtosecond Laser-Structured Shape-Memory Polymer. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:4645-4656. [PMID: 35378041 DOI: 10.1021/acs.langmuir.2c00167] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Superhydrophobic surfaces have aroused increasing attentions in the fields of self-cleaning, anti-fouling, heat transfer, etc. However, one of the major problems of the artificial superhydrophobic surface in practical applications is the poor durability. Inspired by the self-healing property of nature organism, we developed a sunlight-driven recoverable superhydrophobic surface by femtosecond laser constructing micropillar array on the surface of the photo-responsive shape-memory polymer (SMP). The photo-responsive SMP composite was prepared by adding reduced graphene oxide (RGO) into thermal-responsive SMP matrix. Due to the excellent sunlight-to-heat transformation property of RGO, the temperature of the as-fabricated RGO-SMP composite could be rapidly increased above the shape transformation temperature of the RGO-SMP under one sunlight irradiation. Once the micropillar array of the RGO-SMP composite was deformed by pressing or stretching treatments, the surface would lose superhydrophobicity. Upon sunlight irradiation, the surface morphology and the wettability of the RGO-SMP micropillars could completely recover to the original states. Meanwhile, this reversible morphology and wettability transformation process could be repeated multiple times. We envision that such a sunlight-recoverable superhydrophobic surface will have great applications in the future.
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Affiliation(s)
- Xue Bai
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Qing Yang
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Haoyu Li
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Jinglan Huo
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Jie Liang
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Xun Hou
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
| | - Feng Chen
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an 710049, PR China
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5
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Preparation of gahnite (ZnAl2O4) superhydrophobic coating on aluminum alloy with self-healing and high stability properties. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127977] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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6
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Zheng W, Huang J, Li S, Ge M, Teng L, Chen Z, Lai Y. Advanced Materials with Special Wettability toward Intelligent Oily Wastewater Remediation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:67-87. [PMID: 33382588 DOI: 10.1021/acsami.0c18794] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Clean water resources are essential to our human society. Oil leakage has caused water contamination, which leads to serious shortage of clean water, environmental deterioration, and even increasing number of deaths. It is of great urgency to solve the oil-polluted water problems worldwide. Efficient oil/water separation, especially emulsified oil/water mixture separation, is widely used to mitigate water pollution issues. Recently, advanced materials with special wettability have been employed for oily wastewater remediation. Moreover, by endowing them with various intelligent functions, smart materials can effectively separate complex oil/water mixtures including extremely stable emulsions. In this review, oil/water separation mechanisms and various fabrication methods of special wettability separation materials are summarized. We highlight the special wettable materials with intelligent functions, including photocatalytic, self-healing, and switchable oil/water separation materials, which can achieve self-cleaning, self-healing, and efficient oily wastewater treatment. In each section, the acting mechanisms, fabricating technologies, representative studies, and separation efficiency are briefly introduced. Lastly, the challenges and outlook for oil/water separation based on the special wettability materials are discussed.
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Affiliation(s)
- Weiwei Zheng
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Jianying Huang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Shuhui Li
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, P. R. China
| | - Mingzheng Ge
- School of Textile & Clothing, National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, Nantong University, Nantong 226019, P. R. China
| | - Lin Teng
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Zhong Chen
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore
| | - Yuekun Lai
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, P. R. China
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7
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Xu R, Zhao X, Wang L, Zhang C, Mao Y, Shi L, Zheng D. A minimum energy optimization approach for simulations of the droplet wetting modes using the cellular Potts model. RSC Adv 2021; 11:1875-1882. [PMID: 35424140 PMCID: PMC8693607 DOI: 10.1039/d0ra06535h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 12/05/2020] [Indexed: 01/31/2023] Open
Abstract
Wetting modes of a droplet on a periodical grooved surface were simulated by using the Cellular Potts Model (CPM). An optimization approach based on the Synthesis Minimum Energy (SME), which is defined as the lowest energy of the simulation system, was proposed for determining the droplet wetting modes. The influence of the fluctuation parameter (T) was discussed. The results showed that the SME optimization approach increased the accuracy of the wetting mode simulation. For the values of T used in the SME, an increase in the range of T and a decrease in the step size of T will not only cause an increase in the accuracy of the SME but also will cause an increase in the total consumption of calculation time and a decrease in the ability of accuracy improvement. A high value of the fluctuation parameter T generated the Cassie mode transition for the droplet. With an increase in the pillar height, the droplet wetting mode transited from Wenzel mode to Cassie mode, while it transited from Cassie mode to Wenzel mode with an increase in the interpillar distance.
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Affiliation(s)
- Ronghe Xu
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Xiaoli Zhao
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Liqin Wang
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China .,State Key Laboratory of Robotics and System, Harbin Institute of Technology Harbin 150001 China
| | - Chuanwei Zhang
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
| | - Yuze Mao
- Shanghai Aerospace Control Technology Institute Shanghai 200000 China
| | - Lei Shi
- Shanghai Aerospace Control Technology Institute Shanghai 200000 China
| | - Dezhi Zheng
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology Harbin 150001 China
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8
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Barthwal S, Lim SH. A durable, fluorine-free, and repairable superhydrophobic aluminum surface with hierarchical micro/nanostructures and its application for continuous oil-water separation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2020.118716] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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9
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Inkjet printed self-healable strain sensor based on graphene and magnetic iron oxide nano-composite on engineered polyurethane substrate. Sci Rep 2020; 10:18234. [PMID: 33106513 PMCID: PMC7589529 DOI: 10.1038/s41598-020-75175-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 10/13/2020] [Indexed: 01/09/2023] Open
Abstract
In recent years, self-healing property has getting tremendous attention in the future wearable electronic. This paper proposes a novel cut-able and highly stretchable strain sensor utilizing a self-healing function from magnetic force of magnetic iron oxide and graphene nano-composite on an engineered self-healable polyurethane substrate through commercialized inkjet printer DMP-3000. Inducing the magnetic property, magnetic iron oxide is applied to connect between graphene flacks in the nano-composite. To find the best nano-composite, the optimum graphene and magnetic iron oxide blending ratio is 1:1. The proposed sensor shows a high mechanical fracture recovery, sensitivity towards strain, and excellent self-healing property. The proposed devices maintain their performance over 10,000 times bending/relaxing cycles, and 94% of their function are recovered even after cutting them. The device also demonstrates stretchability up to 54.5% and a stretching factor is decreased down to 32.5% after cutting them. The gauge factor of the device is 271.4 at 35%, which means its sensitivity is good. Hence, these results may open a new opportunity towards the design and fabrication of future self-healing wearable strain sensors and their applied electronic devices.
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10
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Barthwal S, Barthwal S, Singh B, Bahadur Singh N. Multifunctional and fluorine-free superhydrophobic composite coating based on PDMS modified MWCNTs/ZnO with self-cleaning, oil-water separation, and flame retardant properties. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124776] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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11
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Science and Engineering of Superhydrophobic Surfaces: Review of Corrosion Resistance, Chemical and Mechanical Stability. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2018.01.013] [Citation(s) in RCA: 205] [Impact Index Per Article: 51.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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12
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Wang XY, Zhang C, Sun S, Kalulu M, Chen L, Zhou X, Jiang Y. Durable superhydrophobic coating based on inorganic/organic double-network polysiloxane and functionalized nanoparticles. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.06.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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13
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Qin L, Chu Y, Zhou X, Pan Q. Fast Healable Superhydrophobic Material. ACS APPLIED MATERIALS & INTERFACES 2019; 11:29388-29395. [PMID: 31313569 DOI: 10.1021/acsami.9b07563] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Self-healability is a crucial feature for developing artificial superhydrophobic surfaces. Although self-healing of microscopic defects has been reported, the restoration of severely damaged superhydrophobic surfaces remains a technological challenge. Here, we report a robust superhydrophobic surface possessing ultrafast recoverability after catastrophic damage. The surface is fabricated via integrating its hierarchical texture comprised of Super P (a conductive carbon black) and TiO2 nanoparticles into a poly(dimethylsiloxane) network cross-linked by dynamic pyrogallol-Fe coordination. In the presence of an electrical trigger, the surface restores its macroscopic configuration, hierarchical texture, mechanical properties, and wettability within 1 min after being cut or plasma etching. The restoration is attributed to the reconstruction of the multiscale structures through dynamic coordination. Application of the self-healable surface is demonstrated by a fast de-icing process. The present investigation offers a novel insight into the durability and reliability of artificial superhydrophobic surfaces against catastrophic damage, which has potential application in the fields including self-cleaning, anti-icing, advanced electronics, and so on.
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Affiliation(s)
- Liming Qin
- State Key Laboratory of Robotics and Systems, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Ying Chu
- State Key Laboratory of Robotics and Systems, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Xin Zhou
- State Key Laboratory of Robotics and Systems, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
| | - Qinmin Pan
- State Key Laboratory of Robotics and Systems, School of Chemistry and Chemical Engineering , Harbin Institute of Technology , Harbin 150001 , P. R. China
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14
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Bhushan B, Katiyar PK, Murty B, Mondal K. Synthesis of hydrophobic Ni-VN alloy powder by ball milling. ADV POWDER TECHNOL 2019. [DOI: 10.1016/j.apt.2019.05.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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15
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Song K, Polak R, Zhang S, Rubner MF, Cohen RE, Askar KA. Reversible Self-Healing for Preserving Optical Transparency and Repairing Mechanical Damage in Composites. ACS APPLIED MATERIALS & INTERFACES 2019; 11:12797-12807. [PMID: 30848876 DOI: 10.1021/acsami.9b00967] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This research concentrates on the healing of optical properties, roughness, contact angle hysteresis, and shallow scratches in polymer/nanoparticle composites. A series of ternary composite blends [epoxy/halloysite nanotubes (HNTs)/cellulose acetate butyrate (CAB)] with various CAB concentrations were fabricated and subjected to a series of mechanical damages. The optimized concentration of a nanoparticle is 1.0 vol %, and the CAB concentration is 3.0 vol % based on the mechanical reinforcement and wear resistance. Nanoscale scratching, microlevel falling-sand test, and macrolevel Taber abrasions were utilized to damage the surfaces. The induced damage (roughness and surface scratch up to hundreds of nanometers in depth) healed upon heating. At any temperatures above the softening transition of the semi-interpenetrating network structure of the polymer composites, CAB migrates into the microcracks, and the essential mechanical parameters (modulus, strength, strain to failure) are recovered; in our particular epoxy/HNTs/CAB system, optical transparency is also recovered efficiently. CAB also moves to the macroscopic air/specimen interface and favorably modifies the surface properties, reducing the roll-off angles of water droplets from ∼90° to ∼20°. Through an appropriate choice of CAB additives with different molecular weights, the healing temperature can be tailored.
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Affiliation(s)
- Kenan Song
- Department of Manufacturing Engineering, Ira A. Fulton Schools of Engineering , Arizona State University , 7001 East Williams Field Road , Mesa , Arizona 85212 , United States
| | | | | | | | | | - Khalid A Askar
- Department of Mechanical Engineering , Khalifa University of Science and Technology , P.O. Box 54224, Abu Dhabi , United Arab Emirates
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16
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Lee Y, You EA, Ha YG. Rationally Designed, Multifunctional Self-Assembled Nanoparticles for Covalently Networked, Flexible and Self-Healable Superhydrophobic Composite Films. ACS APPLIED MATERIALS & INTERFACES 2018; 10:9823-9831. [PMID: 29457454 DOI: 10.1021/acsami.7b19045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
For constructing bioinspired functional films with various superhydrophobic functions, including self-cleaning, anticorrosion, antibioadhesion, and oil-water separation, hydrophobic nanomaterials have been widely used as crucial structural components. In general, hydrophobic nanomaterials, however, cannot form strong chemical bond networks in organic-inorganic hybrid composite films because of the absence of chemically compatible binding components. Herein, we report the rationally designed, multifunctional self-assembled nanoparticles with tunable functionalities of covalent cross-linking and hydrophobicity for constructing three-dimensionally interconnected superhydrophobic composite films via a facile solution-based fabrication at room temperature. The multifunctional self-assembled nanoparticles allow the systematic control of functionalities of composite films, as well as the stable formation of covalently linked superhydrophobic composite films with excellent flexibility (bending radii of 6.5 and 3.0 mm, 1000 cycles) and self-healing ability (water contact angle > 150°, ≥10 cycles). The presented strategy can be a versatile and effective route to generating other advanced functional films with covalently interconnected composite networks.
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Affiliation(s)
- Yujin Lee
- Department of Chemistry , Kyonggi University , Suwon 16227 , Gyeonggi-Do , Republic of Korea
| | - Eun-Ah You
- Center for Nano-Bio Measurement , Korea Research Institute of Standards and Science , Daejeon 34113 , Republic of Korea
| | - Young-Geun Ha
- Department of Chemistry , Kyonggi University , Suwon 16227 , Gyeonggi-Do , Republic of Korea
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17
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Das A, Deka J, Rather AM, Bhunia BK, Saikia PP, Mandal BB, Raidongia K, Manna U. Strategic Formulation of Graphene Oxide Sheets for Flexible Monoliths and Robust Polymeric Coatings Embedded with Durable Bioinspired Wettability †. ACS APPLIED MATERIALS & INTERFACES 2017; 9:42354-42365. [PMID: 29119779 DOI: 10.1021/acsami.7b14028] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Artificial bioinspired superhydrophobicity, which is generally developed through appropriate optimization of chemistry and hierarchical topography, is being recognized for its immense prospective applications related to environment and healthcare. Nevertheless, the weak interfacial interactions that are associated with the fabrication of such special interfaces often provide delicate biomimicked wettability, and the embedded antifouling property collapses on exposure to harsh and complex aqueous phases and also after regular physical deformations, including bending, creasing, etc. Eventually, such materials with potential antifouling property became less relevant for practical applications. Here, a facile, catalyst-free, and robust 1,4-conjugate addition reaction has been strategically exploited for appropriate covalent integration of modified graphene oxide to developing polymeric materials with (1) tunable mechanical properties and (2) durable antifouling property, which are capable of performing both in air and under oil. Furthermore, this approach provided a facile basis for (3) engineering a superhydrophobic monolith into arbitrary free-standing shapes and (4) decorating various flexible (metal, synthetic plastic, etc.) and rigid (glass, wood, etc.) substrates with thick and durable three-dimensional superhydrophobic coatings. The synthesized superhydrophobic monoliths and polymeric coatings with controlled mechanical properties are appropriate to withstand different physical insults, including twisting, creasing, and even physical erosion of the material, without compromising the embedded antiwetting property. The materials are also equally resistant to various harsh chemical environments, and the embedded antifouling property remained unperturbed even after continuous exposure to extremes of pH (pH 1 and pH 11), artificial sea water for a minimum of 30 days. These flexible and formable free-standing monoliths and stable polymeric coatings that are extremely water-repellent both in air and under oil, are of utmost importance owing to their suitability in practical circumstances and robust nature.
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Affiliation(s)
- Avijit Das
- Department of Chemistry, Indian Institute of Technology Guwahati , Kamrup, Guwahati, Assam 781039, India
| | - Jumi Deka
- Department of Chemistry, Indian Institute of Technology Guwahati , Kamrup, Guwahati, Assam 781039, India
| | - Adil M Rather
- Department of Chemistry, Indian Institute of Technology Guwahati , Kamrup, Guwahati, Assam 781039, India
| | - Bibhas K Bhunia
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati, Assam 781035, India
| | - Partha Pratim Saikia
- Department of Chemistry, N N Saikia College , Titabar, Jorhat, Assam 785630, India
| | - Biman B Mandal
- Biomaterial and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati , Guwahati, Assam 781035, India
| | - Kalyan Raidongia
- Department of Chemistry, Indian Institute of Technology Guwahati , Kamrup, Guwahati, Assam 781039, India
| | - Uttam Manna
- Department of Chemistry, Indian Institute of Technology Guwahati , Kamrup, Guwahati, Assam 781039, India
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18
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Parbat D, Gaffar S, Rather AM, Gupta A, Manna U. A general and facile chemical avenue for the controlled and extreme regulation of water wettability in air and oil wettability under water. Chem Sci 2017; 8:6542-6554. [PMID: 28989680 PMCID: PMC5627351 DOI: 10.1039/c7sc02296d] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2017] [Accepted: 07/06/2017] [Indexed: 12/23/2022] Open
Abstract
The controlled modulation of both oil (under water) and water (in air) wettability is an emerging approach to develop several functional materials for various prospective applications including oil/water separation, anti-corrosive coatings, underwater robotics, protein crystallization, drug delivery, open microfluidics, water harvesting etc. Here, we report a 'reactive' and covalently cross-linked coating through a facile and robust Michael addition reaction, which is suitable for the controlled and extreme regulation of both water and oil wettability in air and under water respectively. Along with extremes (super-philicity and super-phobicity) of water (in air) and oil (under water) wettability, this single multilayer construction was also able to display special liquid wettability (i.e.; extremely liquid repellent-but with controlled adhesive properties) both in air and under water, after strategic post chemical modifications, again through 1,4-conjugate addition reaction. The super-wetting properties in the materials were able to withstand various physical and chemical insults including adhesive tape test, sand drop test, and exposure to extremes of pH, salt, and surfactant contaminated aqueous media. Moreover, this approach also allowed the decoration of various flexible and rigid substrates (i.e.; wood, Al-foil, synthetic fabric etc.) with various bio-inspired wettability properties including (1) non-adhesive superhydrophobicity (lotus leaf), (2) adhesive superhydrophobicity (rose petal), (3) underwater superoleophobicity (fish scale) etc. This single polymeric coating-which is capable of displaying several bio-inspired interfaces both in air and under water, even after harsh physical/chemical insults-would be useful in various prospective and relevant applications for practical scenarios.
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Affiliation(s)
- Dibyangana Parbat
- Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India .
| | - Sana Gaffar
- Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India .
| | - Adil Majeed Rather
- Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India .
| | - Aditi Gupta
- Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India .
| | - Uttam Manna
- Department of Chemistry , Indian Institute of Technology-Guwahati , Kamrup , Assam 781039 , India .
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Hönes R, Kondrashov V, Rühe J. Molting Materials: Restoring Superhydrophobicity after Severe Damage via Snakeskin-like Shedding. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:4833-4839. [PMID: 28409938 DOI: 10.1021/acs.langmuir.7b00814] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The nanostructures that are required to generate superhydrophobic surfaces are always sensitive to shear and are easily damaged, especially by scratching with sharp objects. As a result of this destruction, the water repellency will be lost. We introduce a novel approach to restoring the original surface properties after mechanical damage. In this approach, the damaged layer is shed like the skin of a snake. This is demonstrated with a three-layer stack as a proof-of-principle system: when the original, superhydrophobic surface layer is damaged, this leads to the dissolution of a sacrificial layer below it. Thus, the damaged layer is shed, a new unscathed surface is uncovered, and superhydrophobicity can easily be restored after a short washing.
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Affiliation(s)
- Roland Hönes
- Department of Microsystems Engineering, University of Freiburg , Georges-Köhler-Allee 103, 79110 Freiburg, Germany
| | - Vitaliy Kondrashov
- Department of Microsystems Engineering, University of Freiburg , Georges-Köhler-Allee 103, 79110 Freiburg, Germany
| | - Jürgen Rühe
- Department of Microsystems Engineering, University of Freiburg , Georges-Köhler-Allee 103, 79110 Freiburg, Germany
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20
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Chen K, Gu K, Qiang S, Wang C. Environmental stimuli-responsive self-repairing waterbased superhydrophobic coatings. RSC Adv 2017. [DOI: 10.1039/c6ra25135h] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
A waterbased self-repairing superhydrophobic coating shows a self-repairing ability after mechanical damage or contamination with organics, and thus long-term outdoor durability.
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Affiliation(s)
- Kunlin Chen
- Key Laboratory of Eco-Textiles
- Ministry of Education
- School of Textiles and Clothing
- Jiangnan University
- Wuxi 214122
| | - Kun Gu
- Key Laboratory of Eco-Textiles
- Ministry of Education
- School of Textiles and Clothing
- Jiangnan University
- Wuxi 214122
| | - Siyu Qiang
- Key Laboratory of Eco-Textiles
- Ministry of Education
- School of Textiles and Clothing
- Jiangnan University
- Wuxi 214122
| | - Chaoxia Wang
- Key Laboratory of Eco-Textiles
- Ministry of Education
- School of Textiles and Clothing
- Jiangnan University
- Wuxi 214122
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21
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Wu M, An N, Li Y, Sun J. Layer-by-Layer Assembly of Fluorine-Free Polyelectrolyte-Surfactant Complexes for the Fabrication of Self-Healing Superhydrophobic Films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:12361-12369. [PMID: 27560556 DOI: 10.1021/acs.langmuir.6b02607] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Fluorine-free self-healing superhydrophobic films are of significance for practical applications because of their extended service life and cost-effective and eco-friendly preparation process. In this study, we report the fabrication of fluorine-free self-healing superhydrophobic films by layer-by-layer (LbL) assembly of poly(sodium 4-styrenesulfonate) (PSS)-1-octadecylamine (ODA) complexes (PSS-ODA) and poly(allylamine hydrochloride) (PAH)-sodium dodecyl sulfonate (SDS) (PAH-SDS) complexes. The wettability of the LbL-assembled PSS-ODA/PAH-SDS films depends on the film structure and can be tailored by changing the NaCl concentration in aqueous dispersions of PSS-ODA complexes and the number of film deposition cycles. The freshly prepared PSS-ODA/PAH-SDS film with micro- and nanoscaled hierarchical structures is hydrophilic and gradually changes to superhydrophobic in air because the polyelectrolyte-complexed ODA and SDS surfactants tend to migrate to the film surface to cover the film with hydrophobic alkyl chains to lower its surface energy. The large amount of ODA and SDS surfactants loaded in the superhydrophobic PSS-ODA/PAH-SDS films and the autonomic migration of these surfactants to the film surface endow the resultant superhydrophobic films with an excellent self-healing ability to restore the damaged superhydrophobicity. The self-healing superhydrophobic PSS-ODA/PAH-SDS films are mechanically robust and can be deposited on various flat and nonflat substrates. The LbL assembly of oppositely charged polyelectrolyte-surfactant complexes provides a new way for the fabrication of fluorine-free self-healing superhydrophobic films with satisfactory mechanical stability, enhanced reliability, and extended service life.
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Affiliation(s)
- Mengchun Wu
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University , Changchun 130012, People's Republic of China
| | - Ni An
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University , Changchun 130012, People's Republic of China
| | - Yang Li
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University , Changchun 130012, People's Republic of China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University , Changchun 130012, People's Republic of China
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22
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Xue CH, Bai X, Jia ST. Robust, Self-Healing Superhydrophobic Fabrics Prepared by One-Step Coating of PDMS and Octadecylamine. Sci Rep 2016; 6:27262. [PMID: 27264995 PMCID: PMC4893697 DOI: 10.1038/srep27262] [Citation(s) in RCA: 135] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Accepted: 05/17/2016] [Indexed: 12/23/2022] Open
Abstract
A robust, self-healing superhydrophobic poly(ethylene terephthalate) (PET) fabric was fabricated by a convenient solution-dipping method using an easily available material system consisting of polydimethylsiloxane and octadecylamine (ODA). The surface roughness was formed by self-roughening of ODA coating on PET fibers without any lithography steps or adding any nanomaterials. The fabric coating was durable to withstand 120 cycles of laundry and 5000 cycles of abrasion without apparently changing the superhydrophobicity. More interestingly, the fabric can restore its super liquid-repellent property by 72 h at room temperature even after 20000 cycles of abrasion. Meanwhile, after being damaged chemically, the fabric can restore its superhydrophobicity automatically in 12 h at room temperature or by a short-time heating treatment. We envision that this simple but effective coating system may lead to the development of robust protective clothing for various applications.
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Affiliation(s)
- Chao-Hua Xue
- College of Resource and Environment, Shaanxi University of Science and Technology, Xi’an 710021, China
- Shaanxi Research Institute of Agricultural Products Processing Technology, Shaanxi University of Science and Technology, Xi’ an 710021, China
| | - Xue Bai
- College of Resource and Environment, Shaanxi University of Science and Technology, Xi’an 710021, China
| | - Shun-Tian Jia
- College of Resource and Environment, Shaanxi University of Science and Technology, Xi’an 710021, China
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23
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Chen K, Wu Y, Zhou S, Wu L. Recent Development of Durable and Self-Healing Surfaces with Special Wettability. Macromol Rapid Commun 2016; 37:463-85. [DOI: 10.1002/marc.201500591] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 11/24/2015] [Indexed: 11/11/2022]
Affiliation(s)
- Kunlin Chen
- Key Laboratory of Eco-Textiles; Ministry of Education; School of Textiles&Clothing; Jiangnan University; Wuxi 214122 China
| | - Yi Wu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers; Advanced Coatings Research Center of Ministry of Education of China; Fudan University; Shanghai 200433 China
| | - Shuxue Zhou
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers; Advanced Coatings Research Center of Ministry of Education of China; Fudan University; Shanghai 200433 China
| | - Limin Wu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers; Advanced Coatings Research Center of Ministry of Education of China; Fudan University; Shanghai 200433 China
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24
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Pashinin AS. Interaction of superhydrophobic materials with aqueous solutions and organic solvents. Russ Chem Bull 2016. [DOI: 10.1007/s11172-016-1270-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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25
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Zhang L, Tang B, Wu J, Li R, Wang P. Hydrophobic Light-to-Heat Conversion Membranes with Self-Healing Ability for Interfacial Solar Heating. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2015; 27:4889-94. [PMID: 26184454 DOI: 10.1002/adma.201502362] [Citation(s) in RCA: 308] [Impact Index Per Article: 34.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2015] [Revised: 06/18/2015] [Indexed: 05/24/2023]
Abstract
Self-healing hydrophobic light-to-heat conversion membranes for interfacial solar heating are fabricated by deposition of light-to-heat conversion material of polypyrrole onto a porous stainless-steel mesh, followed by hydrophobic fluoroalkylsilane modification. The mesh-based membranes spontaneously stay at the water-air interface, collect and convert solar light into heat, and locally heat only the water surface for enhanced evaporation.
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Affiliation(s)
- Lianbin Zhang
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Bo Tang
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Jinbo Wu
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Renyuan Li
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Peng Wang
- Water Desalination and Reuse Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
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26
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Ferrari M, Benedetti A. Superhydrophobic surfaces for applications in seawater. Adv Colloid Interface Sci 2015; 222:291-304. [PMID: 25759005 DOI: 10.1016/j.cis.2015.01.005] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 01/07/2015] [Accepted: 01/16/2015] [Indexed: 01/05/2023]
Abstract
OBJECTIVE Technological fields in which seawater is implied are numerorus, working in seawater (shipping, oil industry, marine aquaculture,..), and exploiting seawater in plants (cooling heat-exchange, desalination, power plants,..). All suffer from detrimental effects induced by biofouling mainly enhancing material failures and limiting energetic efficiencies. Among the remediation solutions, technologies coniugating economical, green and efficiency criteria should represent the direction. With the aim to meet these criteria, superhydrophobic (SH) technology attracted many researches for the protection of materials operating in contact with seawater. METHOD In this work, the literature focusing on such technology for the protection of surfaces in contact with seawater has been reviewed, mainly focusing on boat and ship hull protection. RESULTS Despite the growing interest around SH technology in seawater for fouling control and friction drag reduction of hulls, to date literature shows that superhydrophobicity in seawater is still limited if compared with a time window compatible with technological needs (set on years). An evaluation of the causes of early superhydrophobicity loss under operative conditions clearly indicates that, to the best of present knowledge, a SH surface cannot preserve this feature by itself alone (especially in real seawater). Hence, we have considered to highlight the behaviour of SH surfaces in seawater in relation to early stages of biocolonization (conditioning film and pioneering bioslime formation). Considering the annual costs sustained for the biofouling impact control, advantages coming from SH surfaces, in terms of foul control and friction drag reduction, would allow economical savings allowing to cover both the appliance of longevity keeping strategies of the SH surfaces and investments in green technologies of SH coating life cycle (production, storing). In addition a brief outlook is provided on technological fields exploiting seawater in pipelines (power and desalination plants), where the SH surface finishing finds potentially interesting application for fouling and corrosion prevention applications.
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27
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Chen S, Li X, Li Y, Sun J. Intumescent flame-retardant and self-healing superhydrophobic coatings on cotton fabric. ACS NANO 2015; 9:4070-6. [PMID: 25777158 DOI: 10.1021/acsnano.5b00121] [Citation(s) in RCA: 153] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Flame-retardant and self-healing superhydrophobic coatings are fabricated on cotton fabric by a convenient solution-dipping method, which involves the sequential deposition of a trilayer of branched poly(ethylenimine) (bPEI), ammonium polyphosphate (APP), and fluorinated-decyl polyhedral oligomeric silsesquioxane (F-POSS). When directly exposed to flame, such a trilayer coating generates a porous char layer because of its intumescent effect, successfully giving the coated fabric a self-extinguishing property. Furthermore, the F-POSS embedded in cotton fabric and APP/bPEI coating produces a superhydrophobic surface with a self-healing function. The coating can repetitively and autonomically restore the superhydrophobicity when the superhydrophobicity is damaged. The resulting cotton fabric, which is flame-resistant, waterproof, and self-cleaning, can be easily cleaned by simple water rinsing. Thus, the integration of self-healing superhydrophobicity with flame retardancy provides a practical way to resolve the problem of washing durability of the flame-retardant coatings. The flame-retardant and superhydrophobic fabric can endure more than 1000 cycles of abrasion under a pressure of 44.8 kPa without losing its flame retardancy and self-healing superhydrophobicity, showing potential applications as multifunctional advanced textiles.
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Affiliation(s)
- Shanshan Chen
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Xiang Li
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Yang Li
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, International Joint Research Laboratory of Nano-Micro Architecture Chemistry (NMAC), College of Chemistry, Jilin University, Changchun 130012, People's Republic of China
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28
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Si Y, Zhu H, Chen L, Jiang T, Guo Z. A multifunctional transparent superhydrophobic gel nanocoating with self-healing properties. Chem Commun (Camb) 2015; 51:16794-7. [DOI: 10.1039/c5cc06977g] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
A multifunctional green superhydrophobic gel nanocoating with good transparency and stability was obtained through a facile copolymerization reaction. Importantly, this well-designed nanocoating has self-healing superhydrophobicity to face complicated daily life and industry work conditions. It is applicable to various substrates via a simple spray process.
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Affiliation(s)
- Yifan Si
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
| | - Hai Zhu
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
| | - Liwei Chen
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
| | - Ting Jiang
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
| | - Zhiguang Guo
- Hubei Collaborative Innovation Centre for Advanced Organic Chemical Materials and Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials
- Hubei University
- Wuhan 430062
- China
- State Key Laboratory of Solid Lubrication
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29
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Chen K, Zhou S, Wu L. Facile fabrication of self-repairing superhydrophobic coatings. Chem Commun (Camb) 2014; 50:11891-4. [DOI: 10.1039/c3cc49251f] [Citation(s) in RCA: 94] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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30
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Li Y, Chen S, Wu M, Sun J. All spraying processes for the fabrication of robust, self-healing, superhydrophobic coatings. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:3344-8. [PMID: 24687272 DOI: 10.1002/adma.201306136] [Citation(s) in RCA: 126] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2013] [Revised: 01/22/2014] [Indexed: 05/19/2023]
Abstract
The spraying method is developed for the fabrication of mechanically robust and self-healing superhydrophobic coatings, which comprise highly porous and rough polyelectrolyte coatings preserved with low-surface-energy healing agents. These coatings can repetitively and autonomically restore superhydrophobicity in humid environments. After depletion of healing agents, superhydrophobic coatings with dual healing agents can regain their self-healing ability by re-spraying fluoroalkylsilane.
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Affiliation(s)
- Yang Li
- State Key Laboratory of Supramolecular, Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, PR China
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31
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Zhu X, Zhang Z, Ge B, Men X, Zhou X. Fabrication of a superhydrophobic carbon nanotube coating with good reusability and easy repairability. Colloids Surf A Physicochem Eng Asp 2014. [DOI: 10.1016/j.colsurfa.2013.12.066] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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32
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Huovinen E, Takkunen L, Korpela T, Suvanto M, Pakkanen TT, Pakkanen TA. Mechanically robust superhydrophobic polymer surfaces based on protective micropillars. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:1435-1443. [PMID: 24483340 DOI: 10.1021/la404248d] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Considerable attention is currently being devoted less to the question of whether it is possible to produce superhydrophobic polymer surfaces than to just how robust they can be made. The present study demonstrates a new route for improving the mechanical durability of water-repellent structured surfaces. The key idea is the protection of fragile fine-scale surface topographies against wear by larger scale sacrificial micropillars. A variety of surface patterns was manufactured on polypropylene using a microstructuring technique and injection molding. The surfaces subjected to mechanical pressure and abrasive wear were characterized by water contact and sliding angle measurements as well as by scanning electron microscopy and roughness analysis based on optical profilometry. The superhydrophobic polypropylene surfaces with protective structures were found to maintain their wetting properties in mechanical compression up to 20 MPa and in abrasive wear tests up to 120 kPa. For durable properties, the optimal surface density of the protective pillars was found to be about 15%. The present approach to the production of water-repellent polymer surfaces provides the advantages of mass production and mechanical robustness with practical applications of structurally functionalized surfaces.
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Affiliation(s)
- Eero Huovinen
- Department of Chemistry, University of Eastern Finland , P.O. Box 111, FI-80101, Joensuu, Finland
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Wu Z, Wang H, Tian X, Cui P, Ding X, Ye X. The effects of polydimethylsiloxane on transparent and hydrophobic waterborne polyurethane coatings containing polydimethylsiloxane. Phys Chem Chem Phys 2014; 16:6787-94. [DOI: 10.1039/c3cp54429j] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Guo R, Hu H, Liu Z, Wang X, Zhou F. Highly durable hydrophobicity in simulated space environment. RSC Adv 2014. [DOI: 10.1039/c4ra02552k] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Perfluoropolyether-infused porous anodic alumina maintains superhydrophobicity durably under simulated space irradiations at low earth orbit (LEO).
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Affiliation(s)
- Ruisheng Guo
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou, P. R. China
- University of Chinese Academy of Sciences
| | - Haiyuan Hu
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou, P. R. China
| | - Zhilu Liu
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou, P. R. China
| | - Xiaolong Wang
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou, P. R. China
| | - Feng Zhou
- State Key Laboratory of Solid Lubrication
- Lanzhou Institute of Chemical Physics
- Chinese Academy of Sciences
- Lanzhou, P. R. China
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35
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36
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Manna U, Lynn DM. Restoration of superhydrophobicity in crushed polymer films by treatment with water: self-healing and recovery of damaged topographic features aided by an unlikely source. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2013; 25:5104-5108. [PMID: 23943399 DOI: 10.1002/adma.201302217] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
The crushing of superhydrophobic polymer multilayers destroys micro/nanoscale topographic features critical for the maintenance of superhydrophobicity. We demonstrate that these surface features can be recovered, and that superhydrophobicity can be fully restored, by treatment of damaged films with liquid water. These polymer-based films can also sustain other forms of severe abuse without loss of superhydrophobicity. This combination of features addresses several important practical issues associated with the durability of artificial superhydrophobic surfaces.
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Affiliation(s)
- Uttam Manna
- Department of Chemical and Biological Engineering, University of Wisconsin - Madison, 1415 Engineering Drive, Madison, WI, 53706, USA
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37
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Yazdanshenas ME, Shateri-Khalilabad M. One-Step Synthesis of Superhydrophobic Coating on Cotton Fabric by Ultrasound Irradiation. Ind Eng Chem Res 2013. [DOI: 10.1021/ie401133q] [Citation(s) in RCA: 88] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Groten J, Rühe J. Surfaces with combined microscale and nanoscale structures: a route to mechanically stable superhydrophobic surfaces? LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:3765-3772. [PMID: 23363078 DOI: 10.1021/la304641q] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Materials with superhydrophobic properties are usually generated by covering the surfaces with hydrophobic nanoscale rough features. A major problem, however, for any practical application of such strongly water-repellent surfaces is the mechanical fragility of the nanostructures. Even moderate forces caused by touching or rubbing the surfaces are frequently strong enough to destroy the nanostructures and lead to the loss of the superhydrophobic properties. In this article, we study the mechanical stability of superhydrophobic surfaces with three different topographies: nano- and microscale features and surfaces carrying a combination of both. The surfaces are generated by silicon etching and subsequent coating with a monolayer of a fluoropolymer (PFA). We perform controlled wear tests on the different surfaces and discuss the impact of wear on the wetting properties of the different surfaces.
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Affiliation(s)
- Jonas Groten
- Department of Microsystems Engineering - IMTEK, Chemistry and Physics of Interfaces, University of Freiburg, 79110 Freiburg, Germany
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39
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Xue CH, Zhang P, Ma JZ, Ji PT, Li YR, Jia ST. Long-lived superhydrophobic colorful surfaces. Chem Commun (Camb) 2013; 49:3588-90. [DOI: 10.1039/c3cc40895g] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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