{"title":"Experimental and numerical investigation on the aging performance of the composite heat-reflective coating for ballastless track under high temperature and radiation","authors":"Rui Su , Qian Su , Aibo Luo , Yanfei Pei","doi":"10.1016/j.porgcoat.2025.109671","DOIUrl":"10.1016/j.porgcoat.2025.109671","url":null,"abstract":"<div><div>To investigate the thermal reflectivity and durability of a composite heat-reflective coating based on composite titanium oxide under prolonged ultraviolet (UV) radiation, this study conducted a series of laboratory experiments and numerical simulations at both macroscopic and microscopic levels. The laboratory tests included coating temperature-reduction performance tests, optical reflectance measurements, water contact angle tests, and adhesion strength assessments. In parallel, numerical simulations involved molecular dynamics calculations of coating–substrate interfacial durability and coupled vehicle–track dynamic response analysis. These efforts aimed to comprehensively evaluate the long-term stability of composite titanium oxide coatings when applied to high-speed railway track slabs. Experimental results demonstrate that UV radiation has minimal impact on the infrared reflectance capacity of the composite heat-reflective coating. Given that infrared radiation accounts for the majority of solar heat, the coating maintains stable thermal insulation efficiency under UV exposure. The incorporation of thermally stable silicon dioxide into the composite titanium oxide contributes to consistent thermal performance across various ambient temperature conditions. The coating also exhibits excellent adhesion to concrete surfaces, with adhesion strength showing only a slow rate of degradation under UV exposure—less than 1/144 MPa per hour. Additionally, the coating surface is hydrophobic, which helps prevent contamination and maintains surface cleanliness when applied to track slabs. Numerical simulation results reveal that rising ambient temperatures accelerate molecular motion, thereby reducing coating durability. The coating exhibits optimal durability at an ambient temperature of 45 °C. Under extreme high-temperature conditions—which pose serious risks to high-speed railway operation—coatings S3 and S4 significantly improve performance by reducing internal temperature differentials in track slabs by 30–50 %, limiting slab warping deformation by more than 60 %, and lowering wheel load alleviation rates by 35–40 %. These improvements contribute substantially to enhancing the operational safety of high-speed rail systems.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109671"},"PeriodicalIF":7.3,"publicationDate":"2025-09-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jingyu Zhao , Yueyan Xiao , Jiajia Song , Hanqi Ming , Xingyu Shuai , Chi-Min Shu
{"title":"Preparation and performance study of wood expansion fireproof coating","authors":"Jingyu Zhao , Yueyan Xiao , Jiajia Song , Hanqi Ming , Xingyu Shuai , Chi-Min Shu","doi":"10.1016/j.porgcoat.2025.109672","DOIUrl":"10.1016/j.porgcoat.2025.109672","url":null,"abstract":"<div><div>Wood, as one of the four major building materials in China, is widely used in the field of construction. Currently, fire-resistant coatings are commonly applied as a protective method for wood and its structures. This article selects melamine formaldehyde (MF) resin as the film-forming resin, and a synergistic flame retardant system composed of guanylurea phosphate (GUP), pentaerythritol phosphate ester (PEPA), and ammonium borate (ABT) was used to determine the formulation of the fireproof coating and test its performance and flame retardant mechanism. The results showed that the mass ratio of MF: GUP: PEA: ABT at the A<sub>2</sub>B<sub>2</sub>C<sub>1</sub>D<sub>1</sub> level had the longest flame resistance time, with a flame resistance time greater than 40 min, which was 25.13 times that of the blank sample. This level was determined to be the equation necessary for fire-resistant coatings, meeting the market demand for fire-resistant coatings. The PHRR of the fireproof coating decreased by 29.63 % and TSP decreased by 69.71 % compared to the blank sample. Meanwhile, the residual carbon content increased 2.89 times the original one to 11.23 %. This indicates that fireproof coatings changed the wood pyrolysis pathway and reaction model. Its flame retardant mechanism was the synergistic flame retardant effect of gas condensed phase.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109672"},"PeriodicalIF":7.3,"publicationDate":"2025-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Preparation of nano-SiO₂@3-mercaptopropyltrimethoxysilane composite film and its anti-corrosion behavior on Q235 steel","authors":"Yinghui Chen, Li Xu, Hualiang Huang","doi":"10.1016/j.porgcoat.2025.109670","DOIUrl":"10.1016/j.porgcoat.2025.109670","url":null,"abstract":"<div><div>In this study, a nano-SiO₂@3-mercaptopropyltrimethoxysilane (nano-SiO₂@MPTMS) composite film was prepared on the surface of Q235 steel, and its corrosion protection behavior for Q235 steel in 3.5 wt% NaCl solution was analyzed through a series of characterization methods and electrochemical tests. The results showed that a dense nano-SiO₂@MPTMS composite film was formed on the surface of Q235 steel, and its highest corrosion resistance was exhibited when 0.01 g of nano-SiO₂ was doped, with a corrosion inhibition efficiency of 99.90 %. With the extension of immersion time, the corrosion inhibition efficiency still remained at 82.01 % even after 240 h. This may be because Si-O-Fe bonds and a more numerous and denser networked Si-O-Si structure were formed during the high-temperature curing process after modification, which prevented the intrusion of Cl<sup>−</sup>.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109670"},"PeriodicalIF":7.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Xiaobin Xu , Qiang Gao , Zhiwen Gong , Bing Ye , Fei Zhou
{"title":"Thermal conductivity and anti-corrosion performance of epoxy coatings on aluminum alloy enhanced by incorporating boron nitride nanosheets, carbon nanotubes and silver nanoparticles","authors":"Xiaobin Xu , Qiang Gao , Zhiwen Gong , Bing Ye , Fei Zhou","doi":"10.1016/j.porgcoat.2025.109667","DOIUrl":"10.1016/j.porgcoat.2025.109667","url":null,"abstract":"<div><div>The composite epoxy coatings incorporating a hybrid filler of boron nitride nanosheets/multi-walled carbon nanotubes/silver nanoparticles (BMA) are fabricated on an aluminum alloy substrate through spray deposition. The electrochemical features of the coatings are initially characterized in ethylene glycol aqueous solution, emphasizing the influence of filler composition, coating thickness, and filler loading. Furthermore, the barrier efficacy of the composite coatings is also assessed through neutral salt spray tests. Finally, the heat transfer characteristics between the coated aluminum alloy and ethylene glycol aqueous solution are studied under real battery operating conditions, respectively. The results show that as the BMA loading increases to 13.8 wt%, the thermal conductivity of the composite attains 0.674 W·m<sup>−1</sup>·K<sup>−1</sup>, signifying a 260.3 % improvement compared to unprocessed epoxy resin. Regarding the anti-corrosion application, the 30 μm-thick composite coating containing 3.8 wt% BMA exhibits a |Z|<sub>0.01 Hz</sub> nearly two orders of magnitude greater than the pure epoxy resin coating. Augmenting the coating thickness to 60 μm and BMA loading to 7.4 wt% further elevates the |Z|<sub>0.01 Hz</sub> to 4.89 × 10<sup>10</sup> Ω·cm<sup>2</sup>, signifying an extra two orders of magnitude enhancement. Moreover, the adhesion strength and the contact angle of the BMA-based composite coating are 6.48 MPa and 69.5°, respectively. Additionally, at 2C discharge rate, the temperature variation between battery sidewalls with coated and uncoated conditions in ethylene glycol aqueous solution is only 0.58 °C, indicating limited thermal resistance. This work presents innovative insights into corrosion protection for aluminum alloys in the battery thermal management systems through organic coating design, incorporating thermal transfer considerations.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109667"},"PeriodicalIF":7.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Enyu He , Sijie Cheng , Rajaram S. Sutar , Sanjay Latthe , Ruimin Xing , Shanhu Liu
{"title":"Self-cleaning and antireflection dual-functional gradient-index coatings for enhanced light harvesting in photovoltaic panels","authors":"Enyu He , Sijie Cheng , Rajaram S. Sutar , Sanjay Latthe , Ruimin Xing , Shanhu Liu","doi":"10.1016/j.porgcoat.2025.109674","DOIUrl":"10.1016/j.porgcoat.2025.109674","url":null,"abstract":"<div><div>Photovoltaic devices are essentially solar collectors that convert incident photons into charge carriers. The development of durable self-cleaning coatings that can effectively reduce light reflection is a key challenge in the use of photovoltaic devices. In this work, a gradient refractive index coating was designed, that reveals both antireflection and superhydrophobic self-cleaning properties. The transmittance of the glass was improved by reducing the light reflection at the air/glass interface. By adjusting coating times of the SiO<sub>2</sub> film, a refractive index gradient interface was optimized. In the range of 300–800 nm, the transmittance of the glass was increased by about 2.0 %–4.7 % at the vertical incidence angle, and the maximum transmittance was increased from 91.6 % to 96.3 %. The self-cleaning experiment of photovoltaic devices verified that the surface could significantly improve the power conversion efficiency. The mechanical stability and environmental aging resistance of the coating were proved through sand impact, outdoor aging, and chemical corrosion tests. This antireflection and self-cleaning coatings technology has broad prospects in the renewable energy sector. Its high light transmittance and superhydrophobic properties can significantly improve the power generation efficiency of photovoltaic modules in challenging environments like deserts areas. It helps to reduce efficiency losses caused by pollution, facilitates effective and sustainable advancements in the photovoltaic industry, and provides essential technical support for the global energy structure upgrade.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109674"},"PeriodicalIF":7.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106985","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Songling Yi , Qi Wang , Honggang Shen , Peixin Li , Miao Yuan , Shaojie Liu , Song Zhao
{"title":"UV-induced peelable adhesive prepared by castor oil-based urethane acrylate oligomer and acrylic copolymer containing siloxane and benzophenone groups","authors":"Songling Yi , Qi Wang , Honggang Shen , Peixin Li , Miao Yuan , Shaojie Liu , Song Zhao","doi":"10.1016/j.porgcoat.2025.109666","DOIUrl":"10.1016/j.porgcoat.2025.109666","url":null,"abstract":"<div><div>Improving the peeling process of UV-induced peelable pressure-sensitive adhesive (PSA) is crucial to increasing the reliability of wafer dicing process. In this work, 3-methacryloxypropyl tris(trimethylsiloxy) silane (MATS), 4-acryloyloxybenzophenone (ABP) and conventional acrylic monomers were copolymerized to prepare an acrylic copolymer containing siloxane and benzophenone groups (PSA-ABP-MATS). When the ABP content was 2.8 wt% and the MATS content was 1.7 wt%, the peel strength of PSA-ABP-MATS reached 10.1 N/25 mm, significantly higher than that of the copolymer without MATS and ABP (6.2 N/25 mm). With UV irradiation, benzophenone groups in ABP abstracted hydrogen atoms from tertiary carbons in the side chains, causing the copolymer chains self-crosslinked and reducing the peel strength to 3.3 N/25 mm. UV-induced peelable adhesive was prepared by blending PSA-ABP-MATS, castor oil-based heat/UV dual-curable urethane acrylate oligomer (CO-PUB-PETA) and reactive diluent. The heat curing reaction between NCO groups in CO-PUB-PETA and hydroxyl groups in PSA-ABP-MATS formed a network structured acrylic copolymer, resulting in the peel strength exceeding 25 N/25 mm. Upon UV irradiation, benzophenone groups bonded to the acrylic copolymer chains initiated two cross-linking reactions (UV-induced radical polymerization of acrylate groups and UV-induced hydrogen-capture photo-curing reaction of benzophenone groups with tertiary carbons) to form a highly crosslinked adhesive film. Combined with the slip characteristics of siloxane, the peel strength of UV-induced peelable adhesive was largely decreased to 0.07 N/25 mm. These results demonstrate that the covalent bonding of siloxane and benzophenone groups to UV-induced peelable adhesive can effectively improve its peeling performance.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109666"},"PeriodicalIF":7.3,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145106543","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Facile fabrication of polyaniline–MXene bilayer coatings for enhanced corrosion protection and self-healing on steel substrates","authors":"K. Shree Meenakshi , S. Ananda Kumar","doi":"10.1016/j.porgcoat.2025.109664","DOIUrl":"10.1016/j.porgcoat.2025.109664","url":null,"abstract":"<div><div>Corrosion protection of mild steel in saline environments remains a major challenge for infrastructure and marine applications. In this work, we report a bilayer coating system comprising drop-cast Ti₃C₂Tₓ MXene and electropolymerized polyaniline (PANI) for enhanced corrosion resistance and self-healing functionality. Unlike conventional composites, the proposed bilayer preserves the distinct roles of each material: MXene forms a dense barrier that limits ion diffusion, while the PANI layer provides redox-driven passivation and promotes electrochemical regeneration. This layered configuration enhances the consistency of the coating and strengthens its bonding with the substrate. Electrochemical testing in 3.5 wt% NaCl revealed a significant reduction in corrosion current density (0.8 μA·cm<sup>−2</sup>) and an increase in charge transfer resistance (12.7 kΩ·cm<sup>2</sup>). After mechanical damage, the coating recovered ∼85 % of its initial impedance within seven days, suggesting electrochemical barrier restoration, likely facilitated by redox activity of the PANI layer. This work demonstrates that spatially separated passive and active layers can synergistically improve long-term corrosion protection, offering a scalable route to multifunctional coatings for harsh environments.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109664"},"PeriodicalIF":7.3,"publicationDate":"2025-09-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145060296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Lei Li , Yu-fan Tang , Chuan-jiang Tan , Feng Li , Qing-guo Chen , Hou-bu Li , Wen-feng Zhu , Chao Liu
{"title":"Durable anti-waxing epoxy coatings with superamphiphobicity: Interfacial engineering for enhanced wax repellency and mechanical stability","authors":"Lei Li , Yu-fan Tang , Chuan-jiang Tan , Feng Li , Qing-guo Chen , Hou-bu Li , Wen-feng Zhu , Chao Liu","doi":"10.1016/j.porgcoat.2025.109648","DOIUrl":"10.1016/j.porgcoat.2025.109648","url":null,"abstract":"<div><div>Wax deposition in petroleum pipelines remains a critical technical challenge for the global energy industry, posing significant threats to the efficient transportation and economic security of oil operations. Superamphiphobic coatings offer a promising solution to this issue. In this study, a fluorination modification was applied to epoxy resin to reduce its surface energy, while silica nanoparticles underwent fluoro-silane modification for similar surface energy reduction. These components were blended to construct a superamphiphobic epoxy composite coating on substrate surfaces, combining low surface energy with micro-nano hierarchical roughness. The ultra-low surface energy and air-cushion effect of composite coating endowed it with superamphiphobicity (water contact angle: 168.2°, diesel contact angle: 156.9°). The strong compatibility and interfacial adhesion between fluorine-modified epoxy resin and fluorine-modified nanoparticles ensure its excellent stability. Even under the impact of high-speed water flow, the coating can still maintain 93 % integrity. Compared to E54epoxy coating, the developed composite demonstrated superior anti-waxing performance, achieving over 80 % improvement in wax resistance. Consequently, this superamphiphobic coating exhibits substantial market potential and technological innovation prospects for addressing wax deposition challenges while advancing pipeline efficiency and sustainability.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109648"},"PeriodicalIF":7.3,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047176","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hernán Barrio-Zhang , Glen McHale , Gary G. Wells , Rodrigo Ledesma-Aguilar , Rui Han , Nicholas Jakubovics , Jinju Chen
{"title":"Transforming siliconization into slippery liquid-like coatings","authors":"Hernán Barrio-Zhang , Glen McHale , Gary G. Wells , Rodrigo Ledesma-Aguilar , Rui Han , Nicholas Jakubovics , Jinju Chen","doi":"10.1016/j.porgcoat.2025.109651","DOIUrl":"10.1016/j.porgcoat.2025.109651","url":null,"abstract":"<div><div>Siliconization is a specific coating technique to engineer surface properties in the pharmaceutical and medical device industries to lubricate motion, ensure complete dispensation of product, and to inhibit protein adsorption and biofilm growth. However, the focus has been on optimizing hydrophobicity, whereas liquid shedding is dominated by static and kinetic contact line friction. Here, we report a simple-to-apply coating method with optimization of ultra-low contact angle hysteresis liquid-like coatings for glass (G), polydimethylsiloxane (PDMS), polyurethane (PU) and stainless steel (SS); materials which are used for pharmaceutical/parenteral packaging and medical equipment. Moreover, we demonstrate that the coating's slow sliding dynamics surface properties for water droplets caused by high droplet kinetic friction, can be converted into fast sliding dynamics corresponding to low droplet kinetic friction, by a simple molecular capping (methylation) process. Our results provide new insight into key aspects of siliconization coatings in the context of industrial/commercial processes.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109651"},"PeriodicalIF":7.3,"publicationDate":"2025-09-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047177","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ruofei Liu , Xiao Wang , Jinbiao Wang , Zhe Lin , Lizhuang Chen , Zhaolei Li , Zhengbai Zhao , Hui Yan , Lixin Xu , Weili Li
{"title":"Gallic acid-modified montmorillonite reinforced acrylic latex composite coatings: Enhanced mechanical and anticorrosion performances via barrier and interface passivation","authors":"Ruofei Liu , Xiao Wang , Jinbiao Wang , Zhe Lin , Lizhuang Chen , Zhaolei Li , Zhengbai Zhao , Hui Yan , Lixin Xu , Weili Li","doi":"10.1016/j.porgcoat.2025.109649","DOIUrl":"10.1016/j.porgcoat.2025.109649","url":null,"abstract":"<div><div>To mitigate the global economic loss exceeding $1 trillion annually from corrosion, this study develops a multifunctional anti-corrosion composite coating by incorporating gallic acid-modified montmorillonite (D-MMT) into an acrylic latex (AL) matrix. The D-MMT, synthesized via ion-exchange, exhibited a significant expansion in interlayer spacing (from 1.270 nm to 1.680 nm) and enhanced dispersion within the polymer.At an optimal 4 wt% loading, the coating exhibited superior mechanical properties-increased hardness (from grade B to HB) and wear resistance-along with improved thermal stability (decomposition temperature elevated from 360 °C to 380 °C), attributed to hydrogen bonding between resin and nanofillers. Electrochemical analysis demonstrated exceptional corrosion protection, with low-frequency impedance modulus reaching 10<sup>8</sup> Ω·cm<sup>2</sup> (two orders higher than pure AL) and corrosion current density reduced from 2.307 × 10<sup>−7</sup> to 2.343 × 10<sup>−9</sup> A/cm<sup>2</sup> after 35-day immersion in 3.5 wt% NaCl. XPS and FESEM-EDS analyses revealed a post-damage interface passivation protection mechanism via gallic acid-mediated chelation-reduction, forming a dense passivation layer that effectively blocked active corrosion sites, evidenced by enriched Fe<sup>2+</sup> ions(58.3 %) and reduced iron content (29.9 % vs. 74.81 % in AL) at damaged regions due to the strong reducing and chelating capabilities of gallic acid. This work provides a scalable strategy for designing coatings with integrated barrier, mechanical, and self-healing functionalities for industrial applications.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"210 ","pages":"Article 109649"},"PeriodicalIF":7.3,"publicationDate":"2025-09-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145047175","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}