1
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Su J, Zhang H, Zhu M, Cai J, Xu B. Green and Abrasion-Resistant Superhydrophobic Coatings Constructed with Tung Oil/Carnauba Wax/Silica for Wood Surface. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3000. [PMID: 38930369 PMCID: PMC11205782 DOI: 10.3390/ma17123000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 06/08/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024]
Abstract
As a renewable, environmentally friendly, natural, and organic material, wood has been receiving extensive attention from various industries. However, the hydrophilicity of wood significantly impacts the stability and durability of its products, which can be effectively addressed by constructing superhydrophobic coatings on the surface of wood. In this study, tung oil, carnauba wax, and silica nanoparticles were used to construct superhydrophobic coatings on hydrophilic wood surfaces by a facile two-step dip-coating method. The surface wettability and morphology of the coatings were analyzed by a contact angle meter and scanning electron microscope, respectively. The results suggest that the coating has a micron-nanosized two-tiered structure, and the contact angle of the coating is higher than 150° and the roll-off angle is lower than 10°. Sandpaper abrasion tests and UV diffuse reflectance spectra indicate that the coatings have excellent abrasion resistance and good transparency. In addition, the coated wood shows excellent self-cleaning and water resistance, which have great potential for applications in industry and furniture manufacturing.
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Affiliation(s)
| | | | | | | | - Bin Xu
- College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou 310014, China; (J.S.); (H.Z.); (M.Z.); (J.C.)
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2
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Tang ZQ, Tian T, Molino PJ, Skvortsov A, Ruan D, Ding J, Li Y. Recent Advances in Superhydrophobic Materials Development for Maritime Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308152. [PMID: 38403472 DOI: 10.1002/advs.202308152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 12/30/2023] [Indexed: 02/27/2024]
Abstract
Underwater superhydrophobic surfaces stand as a promising frontier in materials science, holding immense potential for applications in underwater infrastructure, vehicles, pipelines, robots, and sensors. Despite this potential, widespread commercial adoption of these surfaces faces limitations, primarily rooted in challenges related to material durability and the stability of the air plastron during prolonged submersion. Factors such as pressure, flow, and temperature further complicate the operational viability of underwater superhydrophobic technology. This comprehensive review navigates the evolving landscape of underwater superhydrophobic technology, providing a deep dive into the introduction, advancements, and innovations in design, fabrication, and testing techniques. Recent breakthroughs in nanotechnology, magnetic-responsive coatings, additive manufacturing, and machine learning are highlighted, showcasing the diverse avenues of progress. Notable research endeavors concentrate on enhancing the longevity of plastrons, the fundamental element governing superhydrophobic behavior. The review explores the multifaceted applications of superhydrophobic coatings in the underwater environment, encompassing areas such as drag reduction, anti-biofouling, and corrosion resistance. A critical examination of commercial offerings in the superhydrophobic coating landscape offers a current perspective on available solutions. In conclusion, the review provides valuable insights and forward-looking recommendations to propel the field of underwater superhydrophobicity toward new dimensions of innovation and practical utility.
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Affiliation(s)
- Zhao Qing Tang
- Centre for Smart Infrastructure and Digital Construction, School of Engineering, Swinburne University of Technology, Hawthorn, VIC, 3122, Australia
| | - Tongfei Tian
- School of Science, Technology and Engineering, University of the Sunshine Coast, Sippy Downs, QLD, 4556, Australia
| | - Paul J Molino
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Alex Skvortsov
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Dong Ruan
- Department of Mechanical Engineering and Product Design Engineering, Swinburne University of Technology, Hawthorn, Melbourne, VIC, 3122, Australia
| | - Jie Ding
- Platforms Division, Defence Science and Technology, 506 Lorimer Street, Fishermans Bend, VIC, 3207, Australia
| | - Yali Li
- Centre for Smart Infrastructure and Digital Construction, School of Engineering, Swinburne University of Technology, Hawthorn, VIC, 3122, Australia
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3
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Sun B, Yan L, Gao K. Hydrophobicity and Improved Corrosion Resistance of Weathering Steel via a Facile Sol-Gel Process with a Natural Rust Film. ACS APPLIED MATERIALS & INTERFACES 2023; 15:46400-46407. [PMID: 37725683 DOI: 10.1021/acsami.3c10116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
Weathering steel, which has a protective corrosion product film, is widely used in various construction and landscaping applications. However, it causes metal contamination in the receiving ecosystem via corrosion-induced metal dissolution and rust runoff. Traditional corrosion prevention methods, such as surface coating, also suffer from environmental pollution and high maintenance costs. In this study, we propose a novel method to make the rust film hydrophobic to prevent corrosion while retaining its original appearance. The crystalline rust is used as a natural skeleton, and nano-SiO2 particles are synthesized in situ on it by a facile sol-gel method. The microscopic analysis shows that the flower-like rust flakes provide a primary structure (micrometric scales) and the nano-SiO2 particles form a secondary structure (nanoscale bumps), which is the essential micronanostructure for forming a hydrophobic surface. The as-synthesized film shows strong corrosion resistance, with the corrosion current density being 4 orders of magnitude lower than that of the samples without hydrophobicity. The hydrophobic surface not only prevents corrosive substances from penetrating into the rust layer but also reduces the risk of contamination through its self-cleaning properties. Therefore, the weathering steel with a hydrophobic rust film can be more stable and environmentally friendly for multiscenario applications.
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Affiliation(s)
- Bingyang Sun
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Luchun Yan
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Institute of Materials Intelligent Technology, Liaoning Academy of Materials, Shenyang 110004, China
| | - Kewei Gao
- School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing 100083, China
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4
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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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5
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Antinate Shilpa S, Kavitha Sri A, Jeen Robert RB, Subbulakshmi MS, Hikku GSO. A review focused on the superhydrophobic fabrics with functional properties. J Appl Polym Sci 2023. [DOI: 10.1002/app.53664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Sagayanathan Antinate Shilpa
- Medical Bionanotechnology, Faculty of Allied Health Sciences Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education Chennai India
| | - Annadurai Kavitha Sri
- Medical Bionanotechnology, Faculty of Allied Health Sciences Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education Chennai India
| | | | | | - Gnanadhas Sobhin Osannal Hikku
- Medical Bionanotechnology, Faculty of Allied Health Sciences Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education Chennai India
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6
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Chruściel JJ. Modifications of Textile Materials with Functional Silanes, Liquid Silicone Softeners, and Silicone Rubbers-A Review. Polymers (Basel) 2022; 14:4382. [PMID: 36297958 PMCID: PMC9611165 DOI: 10.3390/polym14204382] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 08/25/2022] [Accepted: 09/27/2022] [Indexed: 11/21/2022] Open
Abstract
General information concerning different kinds of chemical additives used in the textile industry has been described in this paper. The properties and applications of organofunctional silanes and polysiloxanes (silicones) for chemical and physical modifications of textile materials have been reviewed, with a focus on silicone softeners, silane, and silicones-based superhydrophobic finishes and coatings on textiles composed of silicone elastomers and rubbers. The properties of textile materials modified with silanes and silicones and their practical and potential applications, mainly in the textile industry, have been discussed.
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Affiliation(s)
- Jerzy J Chruściel
- ŁUKASIEWICZ Research Network-Lodz Institute of Technology, Brzezińska Str. 5/15, 92-103 Łódź, Poland
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7
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Preparation of superhydrophobic conductive CNT/PDMS film on paper by foam spraying method. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129327] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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8
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Mehanna Y, Crick CR. Study on the Influence of Polymer/Particle Properties on the Resilience of Superhydrophobic Coatings. ACS OMEGA 2022; 7:18052-18062. [PMID: 35664566 PMCID: PMC9161389 DOI: 10.1021/acsomega.2c01547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Enhancement in the resilience of superhydrophobic coatings is crucial for their future applicability. However, the progress in this aspect is currently limited due to the lack of a consistent resilience analysis methodology/protocol as well as the limited understanding of the influence of the materials components on the resultant coating performance. This study applies a quantitative analysis methodology involving image analysis and mass tracking and utilizes it to investigate how the properties of coating components can influence coating resilience. The factors examined were changing the molecular weight/tensile strength of poly(vinylchloride)/poly(dimethylsiloxane) (PVC/PDMS) polymers and changing the size of the roughening particles. In addition to the examination of resilience data to evaluate degradation patterns, three-dimensional (3D) mapping of the scratches was performed to obtain an insight into how material removal occurs during abrasion. The results can indicate preferential polymer selection (using higher-molecular-weight polymers for PVC) and optimal particle sizes (smaller particles) for maximizing coating resilience. The study, although focused on superhydrophobic materials, demonstrates wide applicability to a range of areas, particularly those focused on the development of high-strength coatings.
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Affiliation(s)
- Yasmin
A. Mehanna
- Materials
Innovation Factory, Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K.
- School
of Engineering and Materials Science, Queen
Mary University of London, Mile End Road, London E1 4NS, U.K.
| | - Colin R. Crick
- School
of Engineering and Materials Science, Queen
Mary University of London, Mile End Road, London E1 4NS, U.K.
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9
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Xie C, Sun B, Liu R, Qu K, Zhang W, Weng Z, Wang Z. Facile fabrication of micropattern surfaces with controlled wettability on PDMS-modified fiber membranes for cell patterning. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:1820-1826. [PMID: 35481818 DOI: 10.1039/d2ay00209d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Various cell culture substrates have been developed for cell patterning to control cell distributions and orientations in tissue engineering, drug screening and regenerative medicine. In this study, a preparation method of modified fiber membranes was applied in the field of cell patterning, and the obtained fiber membranes guided the cell distributions and orientations flexibly. The aligned electrospinning fiber membranes were dip-coated with polydimethylsiloxane (PDMS) to improve the stability of wettability, and then it was treated with oxygen plasma with a photomask to obtain a hydrophilic-hydrophobic surface micropattern. The morphologies, wettabilities and chemical structures of the membranes were analyzed by using a scanning electron microscope (SEM), drop shape analysis instrument, energy dispersive spectrometer (EDS) and Fourier transform infrared (FTIR) spectrometer. The L929 cells were cultured on the obtained membranes to observe the controlled cell distributions and orientations by using a SEM and fluorescence microscope. The results indicate that the treated membranes have the ability to control both cell distributions and orientations simultaneously. This method offers a novel approach to develop cell culture substrates for cell patterning in tissue engineering.
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Affiliation(s)
- Chenchen Xie
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
| | - Baishun Sun
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
| | - Ri Liu
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
- Zhongshan Institute, Changchun University of Science and Technology, Zhongshan 528437, China
| | - Kaige Qu
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
| | - Wenxiao Zhang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
| | - Zhankun Weng
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
- Zhongshan Institute, Changchun University of Science and Technology, Zhongshan 528437, China
| | - Zuobin Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun University of Science and Technology, Changchun 130022, China.
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, China
- Zhongshan Institute, Changchun University of Science and Technology, Zhongshan 528437, China
- JR3CN, IRAC, University of Bedfordshire, Luton LU1 3JU, UK
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10
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Čorak I, Tarbuk A, Đorđević D, Višić K, Botteri L. Sustainable Alkaline Hydrolysis of Polyester Fabric at Low Temperature. MATERIALS 2022; 15:ma15041530. [PMID: 35208070 PMCID: PMC8876586 DOI: 10.3390/ma15041530] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/12/2022] [Accepted: 02/16/2022] [Indexed: 02/04/2023]
Abstract
High crystallinity leads to low hydrophilicity of fabric made of (poly(ethylene terephthalate)) fibers (PET) causing problems in finishing, washing, and dyeing processes. To improve these properties, the surface of PET fibers is usually modified by hydrolysis. Alkaline hydrolysis is a conventional process usually performed at a temperature higher than 100 °C for more than 1 h. However, the use of strong alkali and high processing temperatures (>100 °C) can lead to fabric damage and a negative impact on the environment. Therefore, in this paper, the possibility of hydrolysis of the PET fibers in the fabric in a sustainable, energy-efficient process was researched. The influence of low temperature (60–100 °C) and an accelerator (a cationic surfactant HDTMAC) to PET alkaline hydrolysis was studied through weight loss, the loss in breaking force, and fiber morphology. The kinetics of PET dissolution in 1.5 mol cm−3 NaOH at low temperature with and without the addition of HDTMAC was determined and the activation energy was calculated according to the theoretical model. It has been confirmed that PET hydrolysis can be carried out in 1.5 mol cm−3 NaOH with the addition of HDTMAC as an accelerator at 80 °C for 10 min. This process is more economically and energetically acceptable than the conventional process, and is therefore more sustainable.
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Affiliation(s)
- Ivana Čorak
- Department of Textile Chemistry and Ecology, University of Zagreb Faculty of Textile Technology, Prilaz Baruna Filipovića 28a, HR-10000 Zagreb, Croatia; (I.Č.); (K.V.); (L.B.)
| | - Anita Tarbuk
- Department of Textile Chemistry and Ecology, University of Zagreb Faculty of Textile Technology, Prilaz Baruna Filipovića 28a, HR-10000 Zagreb, Croatia; (I.Č.); (K.V.); (L.B.)
- Correspondence:
| | - Dragan Đorđević
- Textile Department, Faculty of Technology, University of Niš, Bulevar Oslobođenja 124, 16000 Leskovac, Serbia;
| | - Ksenija Višić
- Department of Textile Chemistry and Ecology, University of Zagreb Faculty of Textile Technology, Prilaz Baruna Filipovića 28a, HR-10000 Zagreb, Croatia; (I.Č.); (K.V.); (L.B.)
| | - Lea Botteri
- Department of Textile Chemistry and Ecology, University of Zagreb Faculty of Textile Technology, Prilaz Baruna Filipovića 28a, HR-10000 Zagreb, Croatia; (I.Č.); (K.V.); (L.B.)
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11
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Wang J, Zhang Y, Ding J, Xu Z, Zhang J, He Q. Preparation strategy and evaluation method of durable superhydrophobic rubber composites. Adv Colloid Interface Sci 2022; 299:102549. [PMID: 34839925 DOI: 10.1016/j.cis.2021.102549] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/06/2021] [Accepted: 10/17/2021] [Indexed: 01/29/2023]
Abstract
Superhydrophobic rubber composites have broad application prospects in national defense, industrial and agricultural production and daily life due to their special surface wettability. However, its poor durability at present seriously limits its practical application. Microstructure and low surface energy substances are the decisive factors to realize superhydrophobic surface. Therefore, three strategies to improve the durability of superhydrophobic surface were put forward, including improving the mechanical strength of microstructure, enhancing the adhesion between coating and substrate, and constructing self-repairing surface. On this basis, the preparation techniques of durable superhydrophobic rubber composites were summarized, and then the evaluation methods of durability of superhydrophobic rubber composites were introduced in detail from mechanical durability and chemical durability.
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12
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Wang K, Yu S, Yin X, Liu L, Wang L, Zhu G, Wang J, Li Q, Yang X. Preparation of ZnS superhydrophobic coating on 316L stainless steel with self-cleaning property and excellent stability. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127871] [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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13
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14
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Zhang G, Xie Q, Chi J, Chen Y, Zheng H, Ma C, Zhang G. Tree root-inspired robust superhydrophobic coatings with high permeation for porous structures. iScience 2021; 24:103197. [PMID: 34712914 PMCID: PMC8529082 DOI: 10.1016/j.isci.2021.103197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/06/2021] [Accepted: 09/24/2021] [Indexed: 11/27/2022] Open
Abstract
Superhydrophobic coatings have tremendous potential for protecting porous structures from corrosion. However, the weak adhesion and poor abrasion resistance have long been challenges for their real-life applications. Inspired by tree roots, we prepared a robust superhydrophobic coating by spraying fluorinated nanodiamonds (FNDs) on a permeable epoxy coating. The epoxy can not only coat the surface but also permeate deeply inside a porous substrate and consolidate in situ as tree roots in soil. Thus, the structure is thoroughly reinforced where the pull-off strength reaches 9.4 MPa for concrete. On the other hand, the surface is covered with immobilized FNDs, forming a superhydrophobic surface. Thanks to the ultra-hard FNDs, the coating surface has high abrasion resistance and its superhydrophobicity holds even after 100 abrasion cycles. Moreover, it exhibits self-cleaning, anti-icing, and anticorrosion performance. It is promising in protecting various porous structures such as concrete, wood, and untreated corroded steel.
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Affiliation(s)
- Guoliang Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Qingyi Xie
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Jinfeng Chi
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Yuxian Chen
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Hao Zheng
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Chunfeng Ma
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
| | - Guangzhao Zhang
- Faculty of Materials Science and Engineering, South China University of Technology, Guangzhou, China
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15
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Li H, Luo Y, Yu F, Zhang H. In-situ construction of MOFs-based superhydrophobic/superoleophilic coating on filter paper with self-cleaning and antibacterial activity for efficient oil/water separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126976] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Pyo CE, Chang JH. Hydrophobic Mesoporous Silica Particles Modified With Nonfluorinated Alkyl Silanes. ACS OMEGA 2021; 6:16100-16109. [PMID: 34179655 PMCID: PMC8223430 DOI: 10.1021/acsomega.1c01981] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 05/28/2021] [Indexed: 06/13/2023]
Abstract
This work reports the preparation of hydrophobic mesoporous silica particles (MSPs) modified with nonfluorinated alkyl silanes. Alkyl silanes were grafted onto the surface of the MSPs as a function of the length of nonfluorinated alkyl chains such as propyltriethoxysilane (C3), octyltriethoxysilane (C8), dodecyltriethoxysilane (C12), and octadecyltriethoxysilane (C18). Moreover, the grafting of the different alkyl silanes onto the surface of MSPs to make them hydrophobic was demonstrated using different conditions such as by changing the pH (0, 4, 6, 8, and 13), solvent type (protic and aprotic), concentration of silanes (0, 0.12, 0.24, 0.36, 0.48, and 0.60 M), reaction time (1, 2, 3, and 4 days), and reaction temperature (25 and 40 °C). The contact angles of the alkyl silane-modified MSPs were increased as a function of the alkyl chain lengths in the order of C18 > C12 > C8 > C3, and the contact angle of C18-modified MSPs was 4 times wider than that of unmodified MSPs. The unmodified MSPs had a contact angle of 25.3°, but C18-modified MSPs had a contact angle of 102.1°. Furthermore, the hydrophobicity of the nonfluorinated alkyl silane-modified MSPs was also demonstrated by the adsorption of a hydrophobic lecithin compound, which showed the increase of lecithin adsorption as a function of the alkyl chain lengths. The cross-linking ratios of the modified silanes on the MSPs were confirmed by solid-state 29Si-MAS nuclear magnetic resonance (NMR) measurement. Consequently, the hydrophobic modification on MSPs using nonfluorinated alkyl silanes was best preferred in a protic solvent, with a reaction time of ∼24 h at 25 °C and at a high concentration of silanes.
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Affiliation(s)
- Chae Eun Pyo
- Korea
Institute of Ceramic Engineering and Technology, Jinju, Gyeongnam 52851, Korea
- Department
of Chemical Engineering, Hanyang University, Seoul 04763, Korea
| | - Jeong Ho Chang
- Korea
Institute of Ceramic Engineering and Technology, Jinju, Gyeongnam 52851, Korea
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17
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Xu Y, Wang G, Zhu L, Shen L, Zhang Z, Ren T, Zeng Z, Chen T, Xue Q. Multifunctional superhydrophobic adsorbents by mixed-dimensional particles assembly for polymorphic and highly efficient oil-water separation. JOURNAL OF HAZARDOUS MATERIALS 2021; 407:124374. [PMID: 33243637 DOI: 10.1016/j.jhazmat.2020.124374] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/01/2020] [Accepted: 10/22/2020] [Indexed: 06/11/2023]
Abstract
Supra-wetting materials, especially superhydrophobic absorption materials, as an emerging advanced oil-water separation material have attracted extensive concern in the treatment of oil spillage and industrial oily wastewater. However, it is still a challenge to fabricate robust and multifunctional superhydrophobic materials for the multitasking oil-water separation and fast clean-up of the viscous crude oil by an environment-friendly and scalable method. Herein, a solid-solid phase ball-milling strategy without chemical reagent-free modification was proposed to construct heterogeneous superhydrophobic composites by using waste soot as the solid-phase superhydrophobic modifier. A series of covalent bond restricted soot-graphene (S-GN) or soot-Fe3O4 (S-Fe3O4) composite materials with a peculiar micro-nano structure are prepared. Through "glue+superhydrophobic particles" method, the prepared soot-based composite particles are facilely loaded on the porous skeleton of the sponge to obtain multifunctional superhydrophobic adsorbents. The reported superhydrophobic adsorbents exhibited robust chemical and mechanical stability, convenient magnetic collection, the high oil absorption capacity of 60-142 g g-1, durable recyclability (>250 cycles), efficient separation efficiency (>99.5%) and outstanding self-heated performance, which enable them to be competent for oil-water separation in multitasking and complex environment (floating oils, continuous oil collection, oil-in-water emulsion, and viscous oil-spills).
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Affiliation(s)
- Yong Xu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Key Laboratory of Thin Film and Microfabrication Technology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China; Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Gang Wang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China.
| | - Lijing Zhu
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Luli Shen
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Zhepeng Zhang
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Tianhui Ren
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Key Laboratory of Thin Film and Microfabrication Technology, Shanghai Jiao Tong University, Shanghai 200240, P. R. China.
| | - Zhixiang Zeng
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China.
| | - Tao Chen
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
| | - Qunji Xue
- Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China
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18
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Goharshenas Moghadam S, Parsimehr H, Ehsani A. Multifunctional superhydrophobic surfaces. Adv Colloid Interface Sci 2021; 290:102397. [PMID: 33706199 DOI: 10.1016/j.cis.2021.102397] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 10/22/2022]
Abstract
Surface wetting has a significant influence on the performance and applications of the materials. The superhydrophobic surfaces have water repellency due to low surface energy chemistry and micro/nanostructure roughness. The amazing applications of superhydrophobic surfaces (SHSs) lead to increase attention to superhydrophobicity in recent decades. The SHSs have been fabricated through chemical and physical methods. The further properties of SHSs as functions such as self-healing, anti-bacterial, anti-fouling, and stimuli-responsiveness are considered as the functions of the SHSs. The Multifunctional SHSs (MSHSs) that contained superhydrophobicity and at least two other properties as the next generation of the SHSs are swiftly developed in recent years. The multiple applications of the MSHSs are originated from specific morphology and functional groups of the MSHSs. The functions (properties) of the MSHSs are categorized into three groups including self-cleaning properties, restrictive properties, and smart properties. Designing and keeping surface structure plays a significant role in fabricating durable MSHSs. However, there is a big challenge to design and also scale up mechanochemical durable MSHSs. Based on state-of-the-art investigations, establishing a self-healing function can improve the durability of SHSs. The durable self-healing MSHSs can enhance the performance of the other functions and lifespan of the surface. In this review, all surface structures and superhydrophobic agents in MSHSs are investigated. The perspective of the MSHSs determined the next generation of the MSHSs have several significant parameters including durability, stability, more functions, more responsiveness, and environmentally friendly features for fabricating the large-scale MSHSs and enhancing their applications.
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19
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Mofradi M, Karimi H, Dashtian K, Ghaedi M. Processing Guar Gum into polyester fabric based promising mixed matrix membrane for water treatment. Carbohydr Polym 2021; 254:116806. [PMID: 33357837 DOI: 10.1016/j.carbpol.2020.116806] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 07/20/2020] [Accepted: 07/20/2020] [Indexed: 12/17/2022]
Abstract
A reactive and mechano-chemically stable support was prepared from Ag-nanoparticles decorated polyester fabric which was subsequently coated by a casting solution containing polyvinylidene fluoride matrix, guar gum (GG) exo-polysaccharide hydrophilic agent, and UiO-66 filler. FE-SEM, XRD, FT-IR, water contact angle technique, and mechanical stability tests were applied to characterize the prepared membranes. The water contact angle measurements indicated the hydrophilicity of the prepared membrane which can be attributed to the nature of bio-GG and UiO-66. The prepared membrane was employed for purifying contaminated waters containing N-cetyl-N,N,N-trimethylammonium bromide (CTAB) and congo-red (CR) dye through a cross-module set-up. The central composite design was also exploited to study the effect of operational parameters such as CTAB and CR concentration, pH solution, and pressure on the removal efficiency. Particularly, the bio-based GG/UiO-66 dispersion showed excellent self-healing properties, which enabled an effective pollutant separation ability and facilitated the recyclability/sustainability of the as-prepared membrane.
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Affiliation(s)
- Marziyeh Mofradi
- Chemical Engineering Department, Yasouj University, Yasouj, Iran
| | - Hajir Karimi
- Chemical Engineering Department, Yasouj University, Yasouj, Iran.
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20
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Peng H, Li L, Wang Q, Zhang Y, Wang T, Zheng B, Zhou H. Organic carbon dot coating for superhydrophobic aluminum alloy surfaces. JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH 2021; 18:861-869. [PMID: 33589866 PMCID: PMC7875562 DOI: 10.1007/s11998-020-00449-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/21/2020] [Accepted: 11/30/2020] [Indexed: 06/14/2023]
Abstract
A novel fluorine-free and silicon-free superhydrophobic aluminum alloy (treated-Al) is fabricated by chemical etching using hydrochloric acid and hydrogen peroxide and modified with an organic carbon dot (OCD) coating. The water contact angle (CA) of the treated-Al surface increases with the OCD concentration. When etched aluminum (etched-Al) is modified with 0.5 mg/ml OCDs, a CA of 161.4° is achieved, which indicates good nonwettability. SEM results verify that porous microstructures with cavities are uniformly distributed on the surface of etched-Al, in contrast to the bare aluminum alloy, which forms a primary rough structure. After treatment with 0.5 mg/ml OCDs, a nanoparticle coating is dispersed on the rough structures of treated-Al-0.5, which can trap air and make a water droplet essentially rest on a layer of air. The treated-Al-0.5 material has good self-cleaning properties and can sweep away contaminants at both 20 and 0°C. The Ecorr and Icorr of treated-Al-0.5 are - 0.56 V and 2.82 × 10-6 A/cm2, respectively, which shows good anticorrosion performance.
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Affiliation(s)
- Huaqiao Peng
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
| | - Lin Li
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
| | - Qiang Wang
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
| | - Yabo Zhang
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
| | - Tianming Wang
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
| | | | - Hong Zhou
- The Second Research Institute of Civil Aviation Administration of China, Chengdu, 610041 China
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21
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Zhang W, Wang D, Sun Z, Song J, Deng X. Robust superhydrophobicity: mechanisms and strategies. Chem Soc Rev 2021; 50:4031-4061. [PMID: 33554976 DOI: 10.1039/d0cs00751j] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Superhydrophobic surfaces hold great prospects for extremely diverse applications owing to their water repellence property. The essential feature of superhydrophobicity is micro-/nano-scopic roughness to reserve a large portion of air under a liquid drop. However, the vulnerability of the delicate surface textures significantly impedes the practical applications of superhydrophobic surfaces. Robust superhydrophobicity is a must to meet the rigorous industrial requirements and standards for commercial products. In recent years, major advancements have been made in elucidating the mechanisms of wetting transitions, design strategies and fabrication techniques of superhydrophobicity. This review will first introduce the mechanisms of wetting transitions, including the thermodynamic stability of the Cassie state and its breakdown conditions. Then we highlight the development, current status and future prospects of robust superhydrophobicity, including characterization, design strategies and fabrication techniques. In particular, design strategies, which are classified into passive resistance and active regeneration for the first time, are proposed and discussed extensively.
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Affiliation(s)
- Wenluan Zhang
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu, China.
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22
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Jiang J, Shen Y, Yu D, Wu M, Yang L, Li S. Sustainable washing‐free printing of disperse dyes on polyester fabrics enabled by crosslinked fluorosilicone modified polyacrylate binders. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5117] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Jiantang Jiang
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
| | - Yifeng Shen
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
| | - Deyou Yu
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
| | - Minghua Wu
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
| | - Lei Yang
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
| | - Shaoqi Li
- Engineering Research Center for Eco‐Dyeing and Finishing of Textiles, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education Zhejiang Sci‐Tech University Hangzhou China
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23
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Qu M, Pang Y, Xue M, Ma L, Peng L, Liu X, Xiong S, He J. Colorful superhydrophobic materials with durability and chemical stability based on kaolin. SURF INTERFACE ANAL 2020. [DOI: 10.1002/sia.6925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Mengnan Qu
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Yajie Pang
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Menghui Xue
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Lili Ma
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Lei Peng
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Xiangrong Liu
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Shanxin Xiong
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
| | - Jinmei He
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an 710054 China
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24
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Kishi M, Nagatsuka K, Toda T. Effect of Membrane Hydrophobicity and Thickness on Energy-Efficient Dissolved Oxygen Removal From Algal Culture. Front Bioeng Biotechnol 2020; 8:978. [PMID: 32974310 PMCID: PMC7471630 DOI: 10.3389/fbioe.2020.00978] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2020] [Accepted: 07/27/2020] [Indexed: 11/13/2022] Open
Abstract
Removal of dissolved oxygen from algal photobioreactors is essential for high productivity in mass cultivation. Gas-permeating photobioreactor that uses hydrophobic membranes to permeate dissolved oxygen (pervaporation) from its body itself is an energy-efficient option for oxygen removal. This study comparably evaluated the characteristics of various commercial membranes and determined the criteria for the selection of suitable ones for the gas-permeating photobioreactors. It was found that oxygen permeability is limited not by that in the membrane but in the liquid boundary layer. Membrane thickness had a negative effect on membrane oxygen permeability, but the effect was as minor as less than 3% compared with the liquid boundary layer. Due to this characteristic, the lamination of non-woven fabric with the microporous film did not significantly decrease the overall oxygen transfer coefficient. The permeability in the liquid boundary layer had a significantly positive relationship with the hydrophobicity. The highest overall oxygen transfer coefficients in the water-to-air and water-to-water oxygen removal tests were 2.1 ± 0.03 × 10–5 and 1.39 ± 0.09 × 10–5 m s–1, respectively. These values were considered effective in the dissolved oxygen removal from high-density algal culture to prevent oxygen inhibition. Furthermore, hydrophobicity was found to have a significant relationship also with water entry pressure, which needs to be high to avoid culture liquid leakage. Therefore, these results suggested that a microporous membrane with strong hydrophobicity laminated with non-woven fabric would be suitable characteristics for gas-permeating photobioreactor.
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Affiliation(s)
- Masatoshi Kishi
- Faculty of Science and Engineering, Soka University, Tokyo, Japan.,Plankton Eco-Engineering Research Center, Soka University, Tokyo, Japan
| | - Kenta Nagatsuka
- Faculty of Science and Engineering, Soka University, Tokyo, Japan
| | - Tatsuki Toda
- Plankton Eco-Engineering Research Center, Soka University, Tokyo, Japan.,Graduate School of Science and Engineering, Soka University, Tokyo, Japan
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25
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Dong W, Yang L, Qian F, Lv Z, Wu C, Xiang T, Chen D. Sandwiched meshes with superwettability for oil/water separation and heavy metal ion absorption. ASIA-PAC J CHEM ENG 2020. [DOI: 10.1002/apj.2542] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Wei Dong
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
- School of Metallurgical Engineering Anhui University of Technology Ma'anshan Anhui China
| | - Ling Yang
- College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing Jiangsu China
| | - Fuping Qian
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
| | - Zhong Lv
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
| | - Chunhua Wu
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
| | - Tengfei Xiang
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
- Institute of Green Building Materials Anhui University of Technology Ma'anshan Anhui China
| | - Depeng Chen
- School of Civil Engineering and Architecture Anhui University of Technology Ma'anshan Anhui China
- Institute of Green Building Materials Anhui University of Technology Ma'anshan Anhui China
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26
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Surface morphologies and wetting properties of layer-by-layer assembled films of polyelectrolytes with bimodal molecular weight distribution. KOREAN J CHEM ENG 2020. [DOI: 10.1007/s11814-020-0545-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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27
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Photocatalytic Activities of PET Filaments Deposited with N-Doped TiO2 Nanoparticles Sensitized with Disperse Blue Dyes. Catalysts 2020. [DOI: 10.3390/catal10050531] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
In this study, the enhanced photocatalytic activities of polyethylene terephthalate (PET) filaments deposited with N-doped Titanium dioxide (TiO2) nanoparticles sensitized with water insoluble disperse blue SE–2R dye were investigated. The PET filaments were loaded with two types of N-doped TiO2 nanoparticles, one with and the other without being sensitized with disperse blue SE–2R dye, in one-pot hydrothermal process respectively. The differences in photocatalytic activities between the N-doped TiO2 and the dye-sensitized N-doped TiO2 nanoparticles when exposed to both UV rays and visible lights were analyzed and compared by using their photodegradations of methylene blue (MB) dye. It was demonstrated that the disperse blue dye facilitated the electron–hole separation in N-doped TiO2 nanoparticles faster under UV irradiation than that under visible light irradiation. The enhanced photocatalytic activity of the PET filaments loaded with dye-sensitized N-doped TiO2 nanoparticles exposure to UV irradiation, in comparison with that under visible light irradiation, was attributed to both improved light absorption capacity and high separation efficiency of photo-generated electron–hole pairs. Furthermore, the conduction band and band gap of the PET filaments deposited with N-doped TiO2 nanoparticles sensitized with disperse blue SE–2R dye were influenced by the wavelength of light sources, while its valence band was not affected. The PET filaments deposited with dye-sensitized N-doped TiO2 nanoparticles have a potential application to degrade organic pollutants.
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28
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Li H, Feng X, Peng Y, Zeng R. Durable lubricant-infused coating on a magnesium alloy substrate with anti-biofouling and anti-corrosion properties and excellent thermally assisted healing ability. NANOSCALE 2020; 12:7700-7711. [PMID: 32211633 DOI: 10.1039/c9nr10699e] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inspired by lotus leaves, superhydrophobic surfaces (SHS) have been fabricated by many methods due to their various properties such as self-cleaning, anti-corrosion, and anti-biofouling properties. In recent years, inspired by Nepenthes pitcher plants, the 'slippery liquid-infused porous surface' (SLIPS) has attracted numerous researchers' attention because it not only shows ability corresponding to SHS but also exhibits durability in some aspects due to the continuous and homogeneous liquid-infused surfaces. In this paper, we firstly used a facile hydrothermal method and modification to fabricate SHS on a Mg alloy substrate. After the infusion of a lubricant by a spin-coating method, the transformation from the SHS to SLIPS can be achieved. The SLIPS exhibits an excellent self-cleaning property compared to the SHS, except that the water droplet rolls on the SHS and slides on the SLIPS. Moreover, the SLIPS demonstrates better anti-corrosion and anti-biofouling properties, and is obviously superior to SHS for use on the Mg alloy substrate. The enhanced anti-corrosion and anti-biofouling properties of the SLIPS are because the continuously infused lubricant replaces the air trapped in the micro-pores. Importantly, compared with SHS, the SLIPS shows excellent thermally assisted healing properties. The results of this work indicate that the SLIPS is expected to be an efficient method for improving the water-repellent, self-cleaning, anti-biofouling and anti-corrosion properties of magnesium alloys.
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Affiliation(s)
- Hao Li
- School of Materials Science and Engineering, Shandong University of Science and Technology, Qingdao, 266590, China.
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29
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Tian N, Wei J, Li Y, Li B, Zhang J. Efficient scald-preventing enabled by robust polyester fabrics with hot water repellency and water impalement resistance. J Colloid Interface Sci 2020; 566:69-78. [DOI: 10.1016/j.jcis.2020.01.067] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 01/17/2020] [Accepted: 01/18/2020] [Indexed: 10/25/2022]
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30
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Mofradi M, Karimi H, Ghaedi M. Hydrophilic polymeric membrane supported on silver nanoparticle surface decorated polyester textile: Toward enhancement of water flux and dye removal. Chin J Chem Eng 2020. [DOI: 10.1016/j.cjche.2019.09.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Poly(1,6-heptadiyne)/ABS functionalized microfibers for hydrophobic applications. JOURNAL OF POLYMER RESEARCH 2019. [DOI: 10.1007/s10965-019-1981-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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32
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Xue CH, Wang HD, Ji ZY, Guo XJ, Liu BY, Wu Y, Jia ST. Fabrication of Impact-Resistant and Wear-Recoverable Superhydrophobic Surfaces. ACS OMEGA 2019; 4:19756-19764. [PMID: 31788607 PMCID: PMC6882102 DOI: 10.1021/acsomega.9b02535] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 11/04/2019] [Indexed: 05/26/2023]
Abstract
Robustness of superhydrophobic materials has been gradually taken into consideration for practical applications; however, little attention has been paid to the impact resistance of the superhydrophobicity of the materials. The present study demonstrated a new route for improving the mechanical durability, especially the impact resistance, of the superhydrophobic materials. First, poly(styrene-co-butadiene)/poly(ethylene-vinyl acetate) (SBR/EVA) composite monoliths with microscale cellular structures were manufactured by vulcanization-foaming processes. Then the composite monoliths were treated with sandpaper to create nanostructures above the revealed micropores after removing the uppermost skin, forming micro/nanotextured surfaces and giving improvements in superhydrophobicity. Due to the elastomeric nature of SBR and EVA, the superhydrophobicity of the monoliths can be maintained even while the material is mechanically impacted or compressed, and wearing helps improvement or recovery of the superhydrophobicity because of the self-similarity of the cellular structure inside the monoliths. Additionally, the obtained superhydrophobic materials are resistant to acidic, alkali, and salt liquors as well as organic solvents and have easy healing capacity of superhydrophobicity with a simple sanding treatment when destroyed by exposure to oxygen plasma.
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Affiliation(s)
- Chao-Hua Xue
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Hui-Di Wang
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Zhan-You Ji
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Xiao-Jing Guo
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Bing-Ying Liu
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Yue Wu
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
| | - Shun-Tian Jia
- School
of Materials Science and Engineering, College of Bioresources Chemical
and Materials Engineering, College of Environmental Science and Engineering, and College of Chemistry
and Chemical Engineering, Shaanxi University
of Science and Technology, Xi’an 710021, China
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33
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Facile fabrication of fluorine-free breathable poly(methylhydrosiloxane)/polyurethane fibrous membranes with enhanced water-resistant capability. J Colloid Interface Sci 2019; 556:541-548. [PMID: 31476486 DOI: 10.1016/j.jcis.2019.08.092] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/23/2019] [Accepted: 08/24/2019] [Indexed: 11/22/2022]
Abstract
HYPOTHESIS Ideal breathable and waterproof materials contain two key elements: hydrophobic matrix and small pore size. Current high-performing breathable waterproof membranes usually employ fluorinated materials to construct hydrophobic surface, which possess alarming potential environmental hazards. Fluorine-free waterproof agents through coating treatment to obtain hydrophobicity suffer from complicated fabrication process and poor durability. Hence, non-fluorinated chemicals incorporated into fibers via a facile one-step electrospinning may be an effective approach to attain durable hydrophobic membranes. EXPERIMENTS Poly(methylhydrosiloxane)/polyurethane (PMHS/PU) solution with various PMHS concentration was formulated and electrospun to fibrous membranes, followed by a facile thermal treatment process. A systematic study including morphologies, porous structure, and surface wettability was performed. Breathable waterproof performance and tensile strength were also investigated. FINDINGS Added PMHS imparted mighty hydrophobicity to the membranes with a water contact angle of 130.2°, and the subsequent heat treatment greatly improved waterproofness, meanwhile doubled the tensile strength. The resultant membranes exhibited robust hydrostatic pressure of 54.1 kPa, medium breathability of 9.5 kg m-2 d-1, and excellent stretching stress of 14.1 MPa, which can meet the requirements of general use. The presented strategy on membrane fabrication is feasible and scalable, which may be considered as an effective remedy for environmental protection.
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Fabrication of Superhydrophobic Magnetic Sawdust as Effective and Recyclable Oil Sorbents. MATERIALS 2019; 12:ma12203432. [PMID: 31635196 PMCID: PMC6829461 DOI: 10.3390/ma12203432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 11/17/2022]
Abstract
In this paper, a novel superhydrophobic magnetic sawdust (SMSD) was fabricated as an oil sorbent. The SMSD was functionalized with Fe3O4 nanoparticles using melamine formaldehyde resin (MFR) as a coupling agent and subsequently hydrophobically-treated with hexadecyltrimethoxysilane (HDTMS). The SMSD showed excellent superhydrophobicity with the water contact angle of 155.3 ± 0.9°. Meanwhile it had remarkable environmental durability, long-term stability, and mechanical durable properties. Taking advantage of its magnetic characteristics, the SMSD could be easily controlled to absorb oil to separate oil–water mixtures with high oil absorption capacity and good reusability. Moreover, the emulsion was successfully separated by SMSD, including water-in-oil and oil-in-water emulsions. This study developed an effective oil absorbent, which was low cost and environmentally-friendly.
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35
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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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36
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Yu N, Xiao X, Pan G. A stearic acidified-ZnO/methyl polysiloxane/PDMS superhydrophobic coating with good mechanical durability and physical repairability. J DISPER SCI TECHNOL 2019. [DOI: 10.1080/01932691.2018.1484294] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Nanlin Yu
- College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, PR China
| | - Xinyan Xiao
- College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, PR China
| | - Guangming Pan
- College of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou, PR China
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37
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Xue Y, Wang F, Qin Y, Lu B, Wang L, Zhu J. Angle-Independent Structurally Colored PS@TiO 2 Film with Excellent Underwater Superoleophobicity in Harsh Environments. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:6956-6961. [PMID: 31058514 DOI: 10.1021/acs.langmuir.8b04194] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Chemical pigments are damaging to the environment; however, a nontoxic substance (including TiO2 and SiO2) often appears white because of the incoherent multiple scattering. The addition of small black substances can enhance the structural color of the amorphous system. Herein, colored amorphous photonic crystals (APCs) with angle-independence were fabricated by TiO2-coated polystyrene core-shell nanoparticles (PS@TiO2 NPs) via a healthy and time-saving sprayed method. Compared with generally used collide materials, such as PS and SiO2 NPs with smooth surfaces, the rough TiO2 NPs shell structure has significant advances for the underwater oil-repellent property. Thanks to the TiO2 NPs adhered to PS spheres, the multiscale roughness was enhanced and the PS@TiO2/CB film was endowed with excellent underwater superoleophobicity without other extremely hydrophilic chemical compositions. Furthermore, the waterborne polyurethane improves the robustness of the film. This film is free from the adhesion of oil in the water, which can be employed into diverse undersurface systems and may boost the promising applications of APCs.
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Affiliation(s)
- Yu Xue
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
| | - Fen Wang
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
| | - Yi Qin
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
| | - Bo Lu
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
| | - Lei Wang
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
| | - Jianfeng Zhu
- School of Materials Science and Engineering, Shaanxi Key Laboratory of Green Preparation and Functionalization for Inorganic Materials , Shaanxi University of Science and Technology , Xi'an 710021 , People's Republic of China
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38
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Zheng H, Pan M, Wen J, Yuan J, Zhu L, Yu H. Robust, Transparent, and Superhydrophobic Coating Fabricated with Waterborne Polyurethane and Inorganic Nanoparticle Composites. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.9b00052] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Hao Zheng
- Institute of Polymer Science and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, People’s Republic of China
| | - Mingwang Pan
- Institute of Polymer Science and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, People’s Republic of China
| | - Jie Wen
- Institute of Polymer Science and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, People’s Republic of China
| | - Jinfeng Yuan
- Institute of Polymer Science and Engineering, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, People’s Republic of China
| | - Lei Zhu
- Department of Macromolecular Science and Engineering, Case Western Reserve University, Cleveland, Ohio 44106-7202, United States
| | - Haifeng Yu
- Department of Material Science and Engineering, College of Engineering and Key Laboratory of Polymer Chemistry and Physics of Ministry of Education, Peking University, Beijing 100871, People’s Republic of China
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39
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Zhi D, Wang H, Jiang D, Parkin IP, Zhang X. Reactive silica nanoparticles turn epoxy coating from hydrophilic to super-robust superhydrophobic. RSC Adv 2019; 9:12547-12554. [PMID: 35515845 PMCID: PMC9063669 DOI: 10.1039/c8ra10046b] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Accepted: 01/19/2019] [Indexed: 01/21/2023] Open
Abstract
Superhydrophobic organic-inorganic hybrid nanocomposite coatings have received much attention because they possess the advantages of both inorganic and organic materials. Nevertheless, it is difficult to achieve strong bonding of inorganic nanoparticles to the polymer matrix while maintaining a sufficiently rough structure to impart superhydrophobicity. In this study, we fabricated silica nanoparticles with surface reactive groups that can further react with the epoxy resin. Thus, the hydrophobic silica nanoparticles were stably anchored and stabilized in the cured resin matrix while forming nanometer-scale roughness structures. The obtained silica-decorated epoxy resin coating shows great durability and water-repellency after mechanical abrasions and has superior adhesion to the substrate.
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Affiliation(s)
- Danfeng Zhi
- Engineering Research Center for Nanomaterials, Henan University Kaifeng 475004 PR China
| | - Huanhuan Wang
- Engineering Research Center for Nanomaterials, Henan University Kaifeng 475004 PR China
| | - Dong Jiang
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou 730000 PR China
| | - Ivan P Parkin
- Department of Chemistry, University College London 20 Gordon Street London WC1H 0AJ UK
| | - Xia Zhang
- Engineering Research Center for Nanomaterials, Henan University Kaifeng 475004 PR China
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40
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Song K, Lee J, Choi SO, Kim J. Interaction of Surface Energy Components between Solid and Liquid on Wettability, and Its Application to Textile Anti-Wetting Finish. Polymers (Basel) 2019; 11:E498. [PMID: 30960482 PMCID: PMC6473839 DOI: 10.3390/polym11030498] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Revised: 03/09/2019] [Accepted: 03/10/2019] [Indexed: 11/16/2022] Open
Abstract
With various options of anti-wetting finish methods, this study intends to provide basic information that can be applied in selecting a relevant anti-wetting chemical to grant protection from spreading of liquids with different surface energy profiles. With such an aim, the anti-wetting effectiveness of fluorinated coating and silane coating was investigated for liquids having different surface energy components, water (WA), methylene iodide (MI) and formamide (FA). The wetting thermodynamics was experimentally investigated by analyzing dispersive and polar component surface energies of solids and liquids. The role of surface roughness in wettability was examined for fibrous nonwoven substrates that have varied surface roughness. The presence of roughness enhanced the anti-wetting performance of the anti-wetting treated surfaces. While the effectiveness of different anti-wetting treatments was varied depending on the liquid polarities, the distinction of different treatments was less apparent for the roughened fibrous surfaces than the film surfaces. This study provides experimental validation of wetting thermodynamics and the practical interpretation of anti-wetting finishing.
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Affiliation(s)
- Kwanwoo Song
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Korea.
| | - Jinwook Lee
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Korea.
- Department of Chemical Education, Seoul National University, Seoul 08826, Korea.
| | - Seong-O Choi
- Department of Anatomy and Physiology, Kansas State University, Manhattan, KS 66506, USA.
- Nanotechnology Innovation Center of Kansas State, Kansas State University, Manhattan, KS 66506, USA.
| | - Jooyoun Kim
- Department of Textiles, Merchandising and Fashion Design, Seoul National University, Seoul 08826, Korea.
- Research Institute of Human Ecology, Seoul National University, Seoul 08826, Korea.
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41
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Sun J, Li H, Huang Y, Zheng X, Liu Y, Zhuang J, Wu D. Simple and Affordable Way To Achieve Polymeric Superhydrophobic Surfaces with Biomimetic Hierarchical Roughness. ACS OMEGA 2019; 4:2750-2757. [PMID: 31459509 PMCID: PMC6648443 DOI: 10.1021/acsomega.8b03138] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 01/21/2019] [Indexed: 06/10/2023]
Abstract
A water contact angle greater than 150° together with a sliding angle less than 10° is a special surface phenomenon that appears on superhydrophobic surfaces. In this paper, a brief introduction of the development history and present research on superhydrophobic surfaces was given. Polymeric superhydrophobic surfaces with biomimetic hierarchical roughness were fabricated by a simple method of hot embossing without any chemical treatments. Stainless steel meshes with different mesh numbers were used as template. Moreover, the influences of processing parameters, including mesh number, mold temperature, and pressure, were deeply investigated. Hierarchical microplatforms, microfibers, and oriented arrayed nanowrinkles structure on them, which were resembled with the nanowrinkles structure and hierarchical roughness on a red rose petal, were observed by a scanning electron microscope. A water contact angle of 154° can be achieved after parameter optimization. The method proposed in this study offered a fine and affordable choice for the fabrication of polymeric superhydrophobic surfaces. With the rapid development of functional applications in micro- and nanodevices, this method will show greater superiority in large-area and large-scale production due to its advantages of low cost, high efficiency, and high reliability.
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Affiliation(s)
- Jingyao Sun
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Hanwen Li
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Yao Huang
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiuting Zheng
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ying Liu
- State
Key Laboratory of Organic-Inorganic Composites, Beijing 100029, China
| | - Jian Zhuang
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Daming Wu
- College
of Mechanical and Electrical Engineering, Beijing University of Chemical Technology, Beijing 100029, China
- State
Key Laboratory of Organic-Inorganic Composites, Beijing 100029, China
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42
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Shen L, Pan Y, Fu H. Fabrication of UV curable coating for super hydrophobic cotton fabrics. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25082] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Lixiang Shen
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product Technology; South China University of Technology; Guangzhou People's Republic of China
| | - Ya Pan
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product Technology; South China University of Technology; Guangzhou People's Republic of China
| | - Heqing Fu
- School of Chemistry and Chemical Engineering, Guangdong Provincial Key Lab of Green Chemical Product Technology; South China University of Technology; Guangzhou People's Republic of China
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43
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Jing X, Guo Z. Multifunctional WS2&M-AgNPs superhydrophobic conductive sponges for application in various sensors. NEW J CHEM 2019. [DOI: 10.1039/c9nj00167k] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Superhydrophobic conductive sponge is prepared by an easy method based on WS2 nanosheets and modified Ag nanoparticles in this work, which is promising to apply in various sensors derived from superior liquid repellence, thermo stability, conductive property, mechanical and chemical durability.
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Affiliation(s)
- Xueshan Jing
- 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
- People's Republic of China
| | - 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
- People's Republic of China
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44
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Jiang C, Liu W, Sun Y, Liu C, Yang M, Wang Z. Fabrication of durable superhydrophobic and superoleophilic cotton fabric with fluorinated silica sol via sol-gel process. J Appl Polym Sci 2018. [DOI: 10.1002/app.47005] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- C. Jiang
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - W. Liu
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
| | - Y. Sun
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - C. Liu
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - M. Yang
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Z. Wang
- Guangzhou Institute of Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
- Key Laboratory of Cellulose and Lignocellulosics Chemistry; Chinese Academy of Sciences; Guangzhou 510650 China
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45
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Kim Y, Lee W, Ahn Y. Metal Ion-assisted Fabrication of Hierarchically Structured Superhydrophobic Surfaces on Mg Plates. B KOREAN CHEM SOC 2018. [DOI: 10.1002/bkcs.11477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Younga Kim
- Department of Chemistry; Dankook University; Chunan 31116 South Korea
| | - Woohee Lee
- Department of Chemistry; Dankook University; Chunan 31116 South Korea
| | - Yonghyun Ahn
- Department of Chemistry; Dankook University; Chunan 31116 South Korea
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46
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Mechanical Durability of Engineered Superhydrophobic Surfaces for Anti-Corrosion. COATINGS 2018. [DOI: 10.3390/coatings8050162] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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47
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Rowthu S, Hoffmann P. Perfluoropolyether-Impregnated Mesoporous Alumina Composites Overcome the Dewetting-Tribological Properties Trade-Off. ACS APPLIED MATERIALS & INTERFACES 2018; 10:10560-10570. [PMID: 29481048 DOI: 10.1021/acsami.8b00061] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Conventional omniphobic surfaces suffer from wear-sensitivity due to soft apolar coatings or substrates and protruding surface features that are eroded even for mild abrasion treatments, leading to the loss of dewetting properties after wear. Evidently, there was a trade-off between dewetting and tribological properties. Here, we show the establishment of self-healing slippery properties post severe abrasion by utilizing perfluoropolyether-impregnated mesoporous Al2O3 (MPA) composites. The hard polar alumina matrix provides the optimal tribological properties, and the liquid lubricant in the porous network contributes to both tribological and self-healing dewetting properties. These composites sustained normal pressures up to 350 MPa during reciprocating sliding contacts. The severely abraded surfaces are capable of self-replenishing in ambient environment, driven by capillarity and surface diffusion processes, and regained their slippery properties toward water and hexadecane after 15 h of self-healing. Eventually, a dewetting-tribology diagram has been introduced to show different regimes, namely-optimal slippery properties, optimal tribological properties, and a mixed regime). We found out that the microstructural expression [Formula: see text] is a robust guiding tool to predict the regime of interest. This dewetting-tribological diagram may be marked as an inception to designing abrasion-resistant slippery liquid impregnated composites for overcoming the dewetting tribological properties trade-off. Such surfaces may potentially find applications in paint industries and as anti-icing surfaces.
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Affiliation(s)
- Sriharitha Rowthu
- Laboratory for Advanced Materials Processing , Empa, Swiss Federal Laboratories for Materials Science and Technology , Feuerwerkerstrasse 39 , CH-3602 Thun , Switzerland
| | - Patrik Hoffmann
- Laboratory for Advanced Materials Processing , Empa, Swiss Federal Laboratories for Materials Science and Technology , Feuerwerkerstrasse 39 , CH-3602 Thun , Switzerland
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48
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Pan Z, Peng R, Tang J, Chen L, Cheng F, Zhao B. Surface-Segregation-Induced Nanopapillae on FDTS-Blended PDMS Film and Implications in Wettability, Adhesion, and Friction Behaviors. ACS APPLIED MATERIALS & INTERFACES 2018; 10:7476-7486. [PMID: 29420009 DOI: 10.1021/acsami.7b19034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Polymer composites have been extensively used to tune the surface property (e.g., wettability, friction, and adhesion) for its advantages of cost-effectiveness, high efficiency, and ease of fabrication. In this work, different amount of trichloro(1H,1H,2H,2H-perfluorooctyl)silane (FDTS) was added into poly(dimethylsiloxane) elastomer to prepare polymer composite films and were selected as a model to illustrate the effects of surface segregation on surface topology, wettability, friction, and adhesion. The results show that the added FDTS forms aggregations and increasing the content of FDTS leads to the difficulty of air bubble elimination, increase in viscosity, and drop in transparency. Driven by the differences of chemical potential, FDTS aggregations migrate to the air-polymer interface, resulting in surface enrichment and formation of nanopapillae (1-200 nm). This phenomenon becomes more significant with the increment in FDTS. The change in surface composition and structure generates profound effects on wettability, friction, and adhesion. The addition of FDTS makes the surface relatively oleophobic and further increasing the content of FDTS does not helpful in improving the oleophobicity due to the notable aggregation. Friction forces first grow with the increasing content of FDTS and then decline after the maximum point at 1.0 wt % of FDTS, which is attributed to the generated regular larger nanopappillae at high concentration. However, these larger nanopapillae lead to the increase in adhesion because more interactions are formed. The findings demonstrate the behaviors of FDTS in polymer composites and provide important guidance for controlling the formation of nanostructures via aggregation and phase segregation and exploring their implications on surface properties.
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Affiliation(s)
- Zihe Pan
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Ran Peng
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Juntao Tang
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Li Chen
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Fangqin Cheng
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
| | - Boxin Zhao
- Institute of Resources and Environmental Engineering, ‡Shanxi Collaborative Innovation Center of High Value-Added Utilization of Coal-Related Wastes, Shanxi University , 92 Wucheng Road, Xiaodian District, Taiyuan, Shanxi 030006, China
- Department of Chemical Engineering, ∥Waterloo Institute for Nanotechnology, ⊥Department of Mechanical and Mechatronics Engineering, University of Waterloo , 200 University Avenue West, Waterloo, Ontario N2L 3G1, Canada
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49
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Gu X, Li N, Gu H, Xia X, Xiong J. Polydimethylsiloxane-modified polyurethane-poly(ɛ-caprolactone) nanofibrous membranes for waterproof, breathable applications. J Appl Polym Sci 2018. [DOI: 10.1002/app.46360] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Xianyuan Gu
- College of Materials and Textiles; Zhejiang Sci-Tech University; Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology; Zhejiang Sci-Tech University; Hangzhou China
| | - Ni Li
- College of Materials and Textiles; Zhejiang Sci-Tech University; Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology; Zhejiang Sci-Tech University; Hangzhou China
| | - Haihong Gu
- College of Materials and Textiles; Zhejiang Sci-Tech University; Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology; Zhejiang Sci-Tech University; Hangzhou China
| | - Xin Xia
- College of Fashion; Zhejiang Sci-Tech University; Hangzhou, People's Republic of China
| | - Jie Xiong
- College of Materials and Textiles; Zhejiang Sci-Tech University; Hangzhou China
- Key Laboratory of Advanced Textile Materials and Manufacturing Technology; Zhejiang Sci-Tech University; Hangzhou China
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50
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Zhao X, Hu T, Zhang J. Superhydrophobic coatings with high repellency to daily consumed liquid foods based on food grade waxes. J Colloid Interface Sci 2018; 515:255-263. [PMID: 29348043 DOI: 10.1016/j.jcis.2018.01.034] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 01/08/2018] [Accepted: 01/09/2018] [Indexed: 11/26/2022]
Abstract
The applications of superhydrophobic coatings in daily life are receiving increasing attention. Here, we report a general approach for preparing superhydrophobic coatings with high repellency to daily consumed liquid foods based on food grade waxes. The coatings are prepared by spray-coating the homogeneous wax suspensions in ethanol followed by annealing at 40 °C. The wax suspensions are formed by the heating dissolution-cooling precipitation-ultrasonication process thanks to the unique solubility of the waxes in ethanol. Ultrasonication of the wax suspension is helpful to improve superhydrophobicity by reducing the size of the wax microplatelets. Annealing at 40 °C could enhance mechanical stability of the coatings. The coatings are superhydrophobic with a water contact angle of 158.2° and a sliding angle of 7.3°. The coatings are resistant to intense water jetting and immersion in corrosive aqueous solutions. In addition, the coatings show excellent anti-adhesive properties for various liquid foods including cola, honey, milk and yoghourt. Moreover, the coatings are applicable onto different substrates (e.g., glass slide, PET plate and polyethylene plate) and could be prepared using different waxes (e.g., paraffin wax, beeswax and microcrystalline wax). We believe that the wax superhydrophobic coatings could find applications in various fields such as anti-adhesion of liquid foods, fruit preservation and anti-bioadhesion, etc.
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Affiliation(s)
- Xia Zhao
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China
| | - Tao Hu
- Department of Chemical Engineering, College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, PR China; Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China
| | - Junping Zhang
- Key Laboratory of Clay Mineral Applied Research of Gansu Province, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, 730000 Lanzhou, PR China.
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