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Udoh II, Ekerenam OO, Daniel EF, Ikeuba AI, Njoku DI, Kolawole SK, Etim IIN, Emori W, Njoku CN, Etim IP, Uzoma PC. Developments in anticorrosive organic coatings modulated by nano/microcontainers with porous matrices. Adv Colloid Interface Sci 2024; 330:103209. [PMID: 38848645 DOI: 10.1016/j.cis.2024.103209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 05/02/2024] [Accepted: 06/03/2024] [Indexed: 06/09/2024]
Abstract
The durability and functionality of many metallic structures are seriously threatened by corrosion, which makes the development of anticorrosive coatings imperative. This state-of-the-art survey explores the recent developments in the field of anticorrosive organic coatings modulated by innovations involving nano/microcontainers with porous matrices. The integration of these cutting-edge delivery systems seeks to improve the protective properties of coatings by enabling controlled release, extended durability, targeted application of corrosion inhibitors, and can be co-constructed to achieve defect filling by polymeric materials. The major highlight of this review is an in-depth analysis of the functionalities provided by porous nano/microcontainers in the active protection and self-healing of anticorrosive coatings, including their performance evaluation. In one case, after 20 days of immersion in 0.1 M NaCl, a scratched coating containing mesoporous silica nanoparticles loaded with an inhibitor benzotriazole and shelled with polydopamine (MSNs-BTA@PDA) exhibited coating restoration indicated by a sustained corrosion resistance rise over an extended period monitored by impedance values at 0.01 Hz frequency, rising from 8.3 × 104 to 7.0 × 105 Ω cm2, a trend assigned to active protection by the release of inhibitors and self-healing capabilities. Additionally, some functions related to anti-fouling and heat preservation by nano/microcontainers are highlighted. Based on the literature survey, some desirable properties, current challenges, and prospects of anticorrosive coatings doped with nano/microcontainers have been summarized. The knowledge gained from this survey will shape future research directions and applications in a variety of industrial areas, in addition to advancing smart corrosion prevention technology.
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Affiliation(s)
- Inime I Udoh
- The Hempel Foundation Coatings Science and Technology Centre (CoaST), Department of Chemical and Biochemical Engineering, Technical University of Denmark (DTU), 2800 Kgs. Lyngby, Denmark; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria.
| | - Okpo O Ekerenam
- Department of Biochemistry, School of Pure & Applied Sciences, Federal University of Technology, Ikot Abasi, Akwa Ibom State, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria
| | - Enobong F Daniel
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria
| | - Alexander I Ikeuba
- Materials Chemistry Research Group, Department of Pure and Applied Chemistry, University of Calabar, Calabar, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria.
| | - Demian I Njoku
- Department of Applied Science, School of Science and Technology, Hong Kong Metropolitan University, Hong Kong, SAR, China; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria; Africa Center of Excellence in Future Energies and Electrochemical Systems (ACEFUELS), Federal University of Technology, Owerri, Nigeria; Centre for Corrosion and Protection of Materials, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China; Department of Industrial Chemistry, Madonna University, Elele, Nigeria.
| | - Sharafadeen K Kolawole
- Mechanical Engineering Department, School of Engineering and Technology, Federal Polytechnic, P.M.B 420 Offa, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria.
| | - Ini-Ibehe N Etim
- Marine Chemistry and Corrosion Research Group, Department of Marine Science, Akwa Ibom State University, P. M. B. 1167, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria; Africa Center of Excellence in Future Energies and Electrochemical Systems (ACEFUELS), Federal University of Technology, Owerri, Nigeria
| | - Wilfred Emori
- School of Materials Science and Engineering, Sichuan University of Science and Engineering, Zigong 643000, Sichuan, PR China; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria
| | - Chigoziri N Njoku
- Environmental, Composite and Optimization Research Group, Department of Chemical Engineering, Federal University of Technology, PMB 1526 Owerri, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria; Africa Center of Excellence in Future Energies and Electrochemical Systems (ACEFUELS), Federal University of Technology, Owerri, Nigeria.
| | - Iniobong P Etim
- Department of Physics, University of Calabar, Calabar, Nigeria; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria
| | - Paul C Uzoma
- ZJU-UIUC Institute, International Campus, Zhejiang University, Haining 314400, China; Nigerian Alumni Association of the Institute of Metal Research, Chinese Academy of Sciences (NAAIMCAS), Nigeria; Department of Polymer and Textile Engineering, Federal University of Technology, P.M.B. 1526, Owerri, Nigeria
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Shao H, Li D, Chen Z, Yin X, Chen Y, Liu Y, Yang W. Sulfur dots corrosion inhibitors with superior antibacterial and fluorescent properties. J Colloid Interface Sci 2024; 654:878-894. [PMID: 37898072 DOI: 10.1016/j.jcis.2023.10.109] [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: 09/02/2023] [Revised: 10/11/2023] [Accepted: 10/20/2023] [Indexed: 10/30/2023]
Abstract
In this study, sulfur dots (GA-SDs) synthesized by using Gum Arabic (GA) as a green stabilizer were used as corrosion inhibitors and their inhibition effect for Q235 steel in 3.5- wt% NaCl solution was investigated by weight loss, electrochemical tests, and surface and interface analysis. The results revealed that the inhibition efficiency reached the maximum value of 96.5% at 250 mg/L and the water-soluble GA-SDs were able to adhere to the iron surface through the diffusion and agglomeration effect. The unique antibacterial activities demonstrated a 99.35% inhibition efficiency at 250 mg/L. Moreover, the optical properties endowed the inhibitors with the fluorescence tracing function, which is an effective approach to detecting the residual quantity of water treatment agents. This work may facilitate the development of the next generation of multifunction water treatment agents in industrial circulating water systems.
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Affiliation(s)
- Hanlin Shao
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Duanzhi Li
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Zhihao Chen
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Xiaoshuang Yin
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Yun Chen
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Ying Liu
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Wenzhong Yang
- School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China.
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Ghaderi M, Bi H, Dam-Johansen K. Advanced materials for smart protective coatings: Unleashing the potential of metal/covalent organic frameworks, 2D nanomaterials and carbonaceous structures. Adv Colloid Interface Sci 2024; 323:103055. [PMID: 38091691 DOI: 10.1016/j.cis.2023.103055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/20/2023] [Accepted: 11/22/2023] [Indexed: 01/13/2024]
Abstract
The detrimental impact of corrosion on metallic materials remains a pressing concern across industries. Recently, intelligent anti-corrosive coatings for safeguarding metal infrastructures have garnered significant interest. These coatings are equipped with micro/nano carriers that store corrosion inhibitors and release them when triggered by external stimuli. These advanced coatings have the capability to elevate the electrochemical impedance values of steel by 2-3 orders of magnitude compared to the blank coating. However, achieving intelligent, durable, and reliable anti-corrosive coatings requires careful consideration in the design of these micro/nano carriers. This review paper primarily focuses on investigating the corrosion inhibition mechanism of various nano/micro carriers/barriers and identifying the challenges associated with using them for achieving desired properties in anti-corrosive coatings. Furthermore, the fundamental aspects required for nano/micro carriers, including compatibility with the coating matrix, high specific surface area, stability in different environments, stimuli-responsive behavior, and facile synthesis were investigated. To achieve this aim, we explored the properties of micro/nanocarriers based on oxide nanoparticles, carbonaceous and two-dimensional (2D) nanomaterials. Finally, we reviewed recent literature on the application of state-of the art nanocarriers based on metal-organic frameworks (MOFs) and covalent-organic frameworks (COFs). We believe that the outcomes of this review paper offer valuable insights for researchers in selecting appropriate materials that can effectively enhance the corrosion resistance of coatings.
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Affiliation(s)
- Mohammad Ghaderi
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark (DTU), Building 229, 2800 Kgs. Lyngby, Denmark
| | - Huichao Bi
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark (DTU), Building 229, 2800 Kgs. Lyngby, Denmark.
| | - Kim Dam-Johansen
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark (DTU), Building 229, 2800 Kgs. Lyngby, Denmark
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Udoh II, Garcia AG, Dam-Johansen K. Synthesis of Mesoporous Silica Particles as Inhibitor Containers for Anticorrosive Applications. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:17165-17174. [PMID: 37988615 DOI: 10.1021/acs.langmuir.3c02192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Herein, we introduce an innovative experimental assembly based on a high-speed disperser and a water recirculator connected to a double-wall stainless steel container as a new and effective pathway for an eco-friendly and controlled synthesis of mesoporous silica particles (MSPs). With the setup, we demonstrated a one-pot encapsulation of the particles with an inhibitor benzotriazole (BTA) to produce a smart nano/microcontainer for potential use in anticorrosive coatings. One advantage of the experimental setup is the high volume of reactant solution that can be used, yet with good control of solution temperature and stirring conditions, which increases the yield and saves laboratory time. The results obtained from the modified Stöber method show the successful preparation of near-spherical and "bean-shaped" nanometer-size (∼310 nm) MSPs with high benzotriazole encapsulation capacity (46 wt %). More so, the one-pot BTA encapsulated mesoporous silica approach revealed monodispersed spherical particles at optimal temperature and stirring conditions with a mean diameter of ∼1.1 μm and a BTA encapsulation of 23 wt %. The synthesized particles show pH responsiveness and can be further optimized and applied as nanocarriers in smart anticorrosive coatings. The experimental assembly adopted in this work represents a new, scalable approach for the synthesis of mesoporous silica particles.
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Affiliation(s)
- Inime I Udoh
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark, Søltofts Plads, 2800 Kongens Lyngby, Denmark
| | - Alicia G Garcia
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark, Søltofts Plads, 2800 Kongens Lyngby, Denmark
| | - Kim Dam-Johansen
- CoaST, Department of Chemical and Biochemical Engineering, Technical University of Denmark, Søltofts Plads, 2800 Kongens Lyngby, Denmark
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Hu J, Liu W. Chitosan/tannic acid phenamine networks-hollow mesoporous silica capsules with reversible pH response: Controlled-releasing amino acid derivatives as "green" corrosion inhibitor. Carbohydr Polym 2023; 320:121244. [PMID: 37659801 DOI: 10.1016/j.carbpol.2023.121244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/27/2023] [Accepted: 07/28/2023] [Indexed: 09/04/2023]
Abstract
A novel amino acid derivative (SM) was synthesized through Schiff base reaction between syringaldehyde (SA) and methionine (MTI), and loaded to obtain a reversible pH-responsive releasing corrosion inhibitor silica capsule (CS/TA@SM@HMSs) with chitosan/tannic acid phenamine networks on the surface. The corrosion inhibition effect of SM and CS/TA@SM@HMSs on Q235 was studied using electrochemical techniques and surface analysis. The results showed the maximum inhibition efficiency of SM reached to 93.2 % at 200ppm by immersing Q235 in 3.5 wt% NaCl solution. The theoretically calculated electron parameter (the energy gap ΔE = 4.492 eV) indicated that SM molecules were more susceptible to electron transfer with iron surfaces therefore allowing better adsorption on carbon steel surfaces to prevent corrosion. Meanwhile, UV-visible measurements showed that the chitosan/tannic acid phenamine network on the capsule surface responded to changes in pH. The reversible pH-responsive corrosion inhibitor capsule can be switched on and off several times to release SM, demonstrating reversible release and efficient corrosion protection. This study proposes a novel class of "green" amino acid derivative corrosion inhibitors, and establishes a controllable, efficient and reversible pH-responsive release system. A new approach is provided to stimulating the release of corrosion inhibitors in response to long-term corrosion protection of metals.
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Affiliation(s)
- Jianfeng Hu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, PR China.
| | - Wei Liu
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, PR China
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Li B, Xu F, Guan T, Li Y, Sun J. Self-Adhesive Self-Healing Thermochromic Ionogels for Smart Windows with Excellent Environmental and Mechanical Stability, Solar Modulation, and Antifogging Capabilities. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2211456. [PMID: 36848671 DOI: 10.1002/adma.202211456] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 02/08/2023] [Indexed: 05/19/2023]
Abstract
Current thermochromic materials used in smart windows still face challenges, such as poor mechanical and environmental stability, unsatisfactory solar modulation capacity, and low transparency. Herein, the first self-adhesive self-healing thermochromic ionogels with excellent mechanical and environmental stability, antifogging capability, transparency, and solar modulation capability by loading binary ionic liquids (ILs) into rational-designed self-healing poly(urethaneurea) with acylsemicarbazide (ASCZ) moieties that have reversible and multiple hydrogen bonds are reported and their feasibility as smart windows with reliability and long service life is demonstrated. The self-healing thermochromic ionogels can switch between transparent and opaque without leakage or shrinkage, by the constrained reversible phase separation of ILs within the ionogels. The ionogels have the highest transparency and solar modulation capability among reported thermochromic materials and such excellent solar modulation capability can be well maintained after undergoing 1000 transitions, stretches, and bends, and storage at -30 °C, 60 °C, 90% RH, and vacuum environment for 2 months. The formation of high-density hydrogen bonds among the ASCZ moieties contributes to the excellent mechanical strength of the ionogels and allows the thermochromic ionogels to spontaneously heal their damages and be fully recycled at room temperature without the loss of thermochromic capabilities.
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Affiliation(s)
- Bing Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Fuchang Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Tingting Guan
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Yang Li
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Junqi Sun
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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