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Macdonald B, Wang FW, Tobelmann B, Wang J, Landini J, Gunaratne N, Kovac J, Miller T, Mosurkal R, Tuteja A. Design of Abrasion-Resistant, Long-Lasting Antifog Coatings. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38440984 DOI: 10.1021/acsami.3c17117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/06/2024]
Abstract
Fog formation is a common challenge for numerous applications, such as food packaging, mirrors, building windows, and freezer/refrigerator doors. Most notably, fog forms on the inner surfaces of prescription glasses and safety eyewear (particularly when used with a mask), face shields, and helmet lenses. Fogging is caused by the distortion of light from condensed water droplets present on a surface and can typically be prevented if the surface static water contact angle (θ) is less than ∼40°. Such a low contact angle can be readily achieved by either increasing the substrate surface energy or by engineering surface nanotexture. Unfortunately, such nanotexture can be readily damaged with use, while high surface energy substrates get covered with low surface energy foulants over time. Consequently, even with numerous ephemeral antifog coatings, currently there are no commercially available, durable, and permanent antifog coatings. Here we discuss the development of a new class of high-performance antifog coatings that are abrasion-resistant and long-lasting. These polyvinylpyrrolidone-based coatings, designed based on the classical Ratner-Lancaster wear model, dramatically outperform the base polymer, as well as all tested commercially available antifog coatings. Specifically, these coatings exhibit a > 400% increase in fogging time compared to base polymer, a > 50,000% increase in wear resistance, and excellent long-term antifog performance. The developed coatings also significantly outperformed all tested commercially available antifog coatings in terms of their antifog performance, wear resistance, and long-term cyclical performance. Additionally, the key design strategies employed here─incorporation of toughening agents and hydrophilic slip additives─offer a new approach to developing high-performance, durable antifog coatings based on other well-known antifog polymers.
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Affiliation(s)
- Brian Macdonald
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Fan-Wei Wang
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Brian Tobelmann
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Jing Wang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Jason Landini
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Nipuli Gunaratne
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Joseph Kovac
- Department of Aerospace Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Todd Miller
- Protection Materials Division, Soldier Protection Directorate, US Army DEVCOM Soldier Center, 15 General Greene Avenue, Natick, Massachusetts 01760, United States
| | - Ravi Mosurkal
- Protection Materials Division, Soldier Protection Directorate, US Army DEVCOM Soldier Center, 15 General Greene Avenue, Natick, Massachusetts 01760, United States
| | - Anish Tuteja
- Department of Materials Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Macromolecular Science and Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Biointerfaces Institute, University of Michigan, Ann Arbor, Michigan 48109, United States
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Kaczmarek M, Przybylska A, Szymańska A, Dutkiewicz A, Maciejewski H. Thiol-ene click reaction as an effective tool for the synthesis of PEG-functionalized alkoxysilanes-precursors of anti-fog coatings. Sci Rep 2023; 13:21025. [PMID: 38030712 PMCID: PMC10687060 DOI: 10.1038/s41598-023-48192-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 11/23/2023] [Indexed: 12/01/2023] Open
Abstract
The article presents a very simple method of glass modification to obtain the anti-fog effect. Silanes containing two types of functional groups, namely a hydrophilic and polar polyether group and an alkoxysilyl group (to bond with the surface of the modified material) were synthesized in thiol-ene reactions. The hydrothiolation reactions of polyethers containing a C=C terminal bond with mercaptoalkoxysilane proceeded efficiently, yielding quantitatively appropriate products under mild reaction conditions. This method enabled the synthesis of a series of alkoxysilanes functionalized with polyethers, differing in structure. The group of obtained derivatives was characterized by 1H, 13C, 29Si NMR, and FT-IR analyses, and then used to prepare coatings on glass using the sol-gel method. The coated glass surfaces exhibited transparency, superhydrophilic or hydrophilic properties, anti-fog and anti-frost performance.
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Affiliation(s)
- Marta Kaczmarek
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Agnieszka Przybylska
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
| | - Anna Szymańska
- Poznań Science and Technology Park, Adam Mickiewicz University Foundation, Rubież 46, 61-612, Poznań, Poland.
| | - Agnieszka Dutkiewicz
- Poznań Science and Technology Park, Adam Mickiewicz University Foundation, Rubież 46, 61-612, Poznań, Poland
| | - Hieronim Maciejewski
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614, Poznań, Poland
- Poznań Science and Technology Park, Adam Mickiewicz University Foundation, Rubież 46, 61-612, Poznań, Poland
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Yang Q, Zhou Q, Guo Z, Song L, Meng F, Tong Z, Zhan X, Liu Q, Ren Y, Zhang Q. A Facile Strategy to Construct Anti-Swelling, Antibacterial, and Antifogging Coatings for Protection of Medical Goggles. Macromol Biosci 2023; 23:e2300099. [PMID: 37263296 DOI: 10.1002/mabi.202300099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/08/2023] [Indexed: 06/03/2023]
Abstract
During the COVID-19 (Corona Virus Disease 2019) pandemic, traditional medical goggles are not only easy to attach bacteria and viruses in long-term exposure, but easy to fogged up, which increases the risk of infection and affects productivity. Bacterial adhesion and fog can be significantly inhibited through the hydrogel coatings, owing to super hydrophilic properties. On the one hand, hydrogel coatings are easy to absorb water and swell in wet environment, resulting in reduced mechanical properties, even peeling off. On the other hand, the hydrogel coatings don't have intrinsic antibacterial properties, which still poses a potential risk of bacterial transmission. Herein, an anti-swelling and antibacterial hydrogel coating is synthesized by 2-hydroxyethyl methacrylate (HEMA), acrylamide (AM), dimethylaminoethyl acrylate bromoethane (IL-Br), and poly(sodium-p-styrenesulfonate) (PSS). Due to the self-driven entropy reduction effect of polycation and polyanion, an ion cross-linking network is formed, which endows the hydrogel coating with excellent antiswelling performance. Moreover, because of the synergistic effect of highly hydrated surfaces and the active bactericidal effect from quaternary ammonium cations, the hydrogel coating exhibits outstanding antifouling performances. This work develops a facile strategy to fabricate anti-swelling, antifouling, and antifogging hydrogel coatings for the protection of medical goggles, and also for biomedical and marine antifouling fields.
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Affiliation(s)
- Qi Yang
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Qiang Zhou
- Zhejiang Jinhua New Material Co., LTD., Quzhou, 324004, China
| | - Ziyi Guo
- Shulan (Hangzhou) Hospital, Hangzhou, 310016, China
| | - Lina Song
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Fandong Meng
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Zheming Tong
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
| | - Xiaoli Zhan
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Quan Liu
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Yongyuan Ren
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
| | - Qinghua Zhang
- College of Chemical and Biological Engineering, Zhejiang University, Zhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology, Hangzhou, 310027, China
- Institute of Zhejiang University-Quzhou, Zhejiang Provincial Innovation Center of Advanced Chemicals Technology, Quzhou, 324000, China
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Chu J, Tian G, Feng X. Recent advances in prevailing antifogging surfaces: structures, materials, durability, and beyond. NANOSCALE 2023. [PMID: 37368459 DOI: 10.1039/d3nr01767b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/28/2023]
Abstract
In past decades, antifogging surfaces have drawn more and more attention owing to their promising and wide applications such as in aerospace, traffic transportation, optical devices, the food industry, and medical and other fields. Therefore, the potential hazards caused by fogging need to be solved urgently. At present, the up-and-coming antifogging surfaces have been developing swiftly, and can effectively achieve antifogging effects primarily by preventing fog formation and rapid defogging. This review analyzes and summarizes current progress in antifogging surfaces. Firstly, some bionic and typical antifogging structures are described in detail. Then, the antifogging materials explored thus far, mainly focusing on substrates and coatings, are extensively introduced. After that, the solutions for improving the durability of antifogging surfaces are explicitly classified in four aspects. Finally, the remaining big challenges and future development trends of the ascendant antifogging surfaces are also presented.
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Affiliation(s)
- Jiahui Chu
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang, P. R. China.
| | - Guizhong Tian
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang, P. R. China.
| | - Xiaoming Feng
- College of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang, P. R. China.
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Syafiq A, Rahim NA, Balakrishnan V, Pandey A. Development of self-cleaning polydimethylsiloxane/nano-calcium carbonate-titanium dioxide coating with fog-resistance response for building glass. PIGMENT & RESIN TECHNOLOGY 2022. [DOI: 10.1108/prt-04-2022-0058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Purpose
This paper introduced the simple synthesis process of self-cleaning coating with fog-resistance property using hydrophobic polydimethylsiloxane (PDMS) polymer and nano-calcium carbonate (nano-CaCO3) and titanium dioxide (TiO2).
Design/methodology/approach
The synthesis method of PDMS/nano-CaCO3-TiO2 is based on sol-gel process. The crosslinking between PDMS and nanoparticles is driven by the covalent bond at temperature of 50°C. The 3-Aminopropyltriethoxysilane is used as binder for nanoparticles attachment in polymer matrix. Two fabrication methods are used, which are dip- and spray-coating methods.
Findings
The prepared coated glass fulfilled the requirement of standard self-cleaning and fog-resistance performance. For the self-cleaning test BS EN 1096-5:2016, the coated glasses exhibited the dust haze value around 20%–25% at tilt angle of 10°. For the antifog test, the coated glasses showed the fog haze value were below 2% and the gloss value were above 85%. The obtained results completely achieved the standard antifog value ASTM F659-06 protocol.
Research limitations/implications
Findings will provide an infrastructure support for the building glass to enhance building’s energy efficiency, cleaning performance and friendly environment.
Practical implications
This study proposed the simple synthesis method using hydrophobic polymer and nano-CaCO3 and nano-TiO2, which can achieve optimum self-cleaning property at low tilt angle and fog-resistance performance for building glass.
Social implications
The research findings have high potential for building company, cleaning building company and government sector. The proposed project capable to reduces the energy consumption about 20% per annum due to labor cost, time-consuming and safety during manual cleaning.
Originality/value
The novel method to develop self-cleaning coating with fog-resistance using simple synthesis process and fabrication method for building glass application.
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Türk S. Characterization of chitosan/polyethylenimine film layer as a novel anti‐fog coating surface. J Appl Polym Sci 2022. [DOI: 10.1002/app.52884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Serbülent Türk
- Biomedical, Magnetic and Semi Conductive Materials Research Center (BIMAS‐RC) Sakarya University Sakarya Turkey
- Biomaterials, Energy, Photocatalysis, Enzyme Technology, Nano & Advanced Materials, Additive Manufacturing, Environmental Applications and Sustainably Research & Development Group Sakarya Turkey
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