{"title":"The synthesis of hyperdispersants with different anchoring and solvated segments for improving the dispersion of mica in UV-curable anti-corrosion coatings","authors":"Linyang Chen, Zheng Xing, Weiwei Liu, Jing Luo","doi":"10.1007/s11998-025-01260-y","DOIUrl":"10.1007/s11998-025-01260-y","url":null,"abstract":"<div><p>In this article, a series of acrylic ester copolymer hyperdispersants with different chemical structures (anchoring segments and solvated segments) were designed and synthesized by free radical polymerization and used to disperse mica in UV-curable systems. The influence of anchoring segments and solvated segments of the polyacrylic hyperdispersant on the dispersion of mica in UV-curable coating as well as the coating properties was systematically investigated. The dispersion performance of the hyperdispersants was investigated by rheology measurement, mechanical property, and anticorrosion property (via electrochemical impedance spectroscopy and neutral salt spray test) of the UV-curable coatings. It was found that the optimum anchoring segment and solvated segment of the polyacrylic hyperdispersant for dispersing mica in UV-curable systems were N-isopropylacrylamide (NIPAM) and butyl methacrylate (BMA), respectively. With the addition of p(BMA-<i>co</i>-NIPAM), the viscosity of the UV-curable resin system with mica decreased obviously. Moreover, the negative effect of mica on the mechanical properties of the UV-curable coatings was significantly mitigated, and the coating exhibited outstanding anticorrosion performance. The electrochemical low-frequency impedance value of the coating remains above 10<sup>9.0</sup> <i>Ω</i> cm<sup>2</sup> for 40 days without any decrease. After 1,200 h of neutral salt spray testing, only slight pitting corrosion was observed on the coating surface.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 5","pages":"2373 - 2384"},"PeriodicalIF":3.4,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148837547","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Synthesis of a hydrophobic zeolite composite coating on aluminum alloy for corrosion protection","authors":"Qiufeng Mo, Ruijia Hu, Wanyu Liu, Weihao Li, Zhonglin Liu, Yanming Li, Mengxue Xu, Xingfu Zheng, Zhimin Huang","doi":"10.1007/s11998-025-01255-9","DOIUrl":"10.1007/s11998-025-01255-9","url":null,"abstract":"<div><p>To improve the corrosion resistance of aluminum alloys, this study combined hydrophobic functionalization with in situ growth of zeolite to construct zeolite composite coatings that integrate both physical barrier effects and hydrophobic properties on the alloy surface. The in situ hydrophobic modification of the ZSM-5 zeolite layer with dodecyltrimethoxysilane (DTMS) was successful. Despite altering the crystal orientation, the modification significantly enhanced hydrophobicity, achieving a water contact angle (WCA) of 110.1 ± 2.4°. In contrast, 1,2-bis(triethoxysilyl)ethane (BTESE) pretreatment markedly enhanced the grafting efficiency of 1H,1H,2H,2H-perfluorodecyltriethoxysilane (PFDTES), achieving a superhydrophobic surface with a WCA of 154.1 ± 1.1°. Electrochemical impedance spectroscopy (EIS) results demonstrated that, after 336 h of immersion in 3.5 wt.% NaCl solution, the composite-modified coating maintained a low-frequency impedance modulus (<i>|Z|</i><sub>0.01Hz</sub>) on the order of 10<sup>7</sup> Ω cm<sup>2</sup>, with less than one order of magnitude attenuation, significantly outperforming singly modified coating. These findings highlight a promising strategy for the design of high-performance protective coatings for metals.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2219 - 2230"},"PeriodicalIF":3.4,"publicationDate":"2026-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519497","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A concise review on the coating applications of hexagonal boron nitride","authors":"Ningthoujam Bidyapani Chanu, Bibhu Prasad Swain","doi":"10.1007/s11998-026-01280-2","DOIUrl":"10.1007/s11998-026-01280-2","url":null,"abstract":"<div><p>Hexagonal boron nitride (h-BN), a two-dimensional analogue of graphene, has recently gained widespread attention as a multifunctional and versatile coating material. The key issue is whether h-BN can surpass the limitations of conventional coatings and ensure reliable long-term stability under extreme and highly demanding conditions. In contrast to graphene, which can induce galvanic corrosion because of its conductivity, h-BN is nonconductive, chemically inert, and thermally stable, making it highly suitable for durable, long-term protective applications. Its incorporation into polymeric and inorganic coatings enhances anticorrosion and antiwear through mechanisms such as the labyrinth effect, which hinders the diffusion of corrosive agents, and in certain cases, the formation of passivating boron oxide layers that provide self-healing functionality. This review analyzes recent progress in h-BN-based coatings, focusing on vapor-deposited thin films and nanosheet-reinforced composites. Beyond corrosion protection, h-BN-based coatings also exhibit promise in flame retardancy, waterproofing, and thermal management, attributed to their hydrophobic nature and excellent overall chemical stability. Despite these advances, large-scale application is still constrained by the high cost and complexity of current synthesis approaches. Overall, this review highlights the protective mechanisms of h-BN coatings and outlines emerging opportunities and future directions for their broader and practical utilisation.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 5","pages":"2617 - 2635"},"PeriodicalIF":3.4,"publicationDate":"2026-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148837623","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Surong Li, Xia Ye, Xiaohong Yang, Zhenmin Fan, Ziming Lu, Yujie Zhao, Yuhang He, Deo Musinguzi
{"title":"Preparation of TiO2/EP photothermal-responsive coatings on aluminum-based surfaces with switchable wettability","authors":"Surong Li, Xia Ye, Xiaohong Yang, Zhenmin Fan, Ziming Lu, Yujie Zhao, Yuhang He, Deo Musinguzi","doi":"10.1007/s11998-025-01253-x","DOIUrl":"10.1007/s11998-025-01253-x","url":null,"abstract":"<div><p>Reversible wettability intelligent surfaces are widely applied in self-cleaning, microfluidics, and other fields. Although dual-responsive surfaces that react to light and heat possess the potential for switching behavior, the further development of switchable wettability surfaces remains constrained by limited cycle stability and complicated preparation processes. In this study, we achieved high cyclic stability in reversible wettability-based aluminum-based surfaces through a synergistic design combining laser-etching and photo-responsive coatings. First, a hierarchical micro-nanostructure was constructed on the aluminum alloy using infrared nanosecond laser etching. An epoxy resin adhesive layer was then sprayed and cured to enhance adhesion. A suspension of hexadecyltrimethoxysilane (HDTMS)-modified TiO<sub>2</sub>/ethanol was subsequently sprayed to form an initial superhydrophobic surface (contact angle > 150°). Ultraviolet irradiation oxidizes the HDTMS alkyl chains, inducing a superhydrophilic state (contact angle < 5°). The surface can undergo wetting property switching 15 times (with a contact angle fluctuation of < 5%). After 15 cycles, local failure was attributed to the irreversible degradation of HDTMS. This study provides new ideas for the design and durability optimization of intelligent wetting surfaces.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2187 - 2197"},"PeriodicalIF":3.4,"publicationDate":"2026-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519388","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Natural shellac to engineered excellence: a mini review on thermal advancements","authors":"Mithilesh Kogje, Siddhesh Mestry, S. T. Mhaske","doi":"10.1007/s11998-025-01242-0","DOIUrl":"10.1007/s11998-025-01242-0","url":null,"abstract":"<div><p>Shellac is one of the most widely explored materials when it comes to biomaterials. The lac bug <i>Kerria lacca</i> produces shellac and is prized for its biocompatibility, eco-friendliness, and adaptability in uses, such as coatings and biomedical materials. Its poor thermal stability, however, limits its application in high-temperature environments. This paper examines current developments in improving shellac’s thermal characteristics using a variety of techniques, such as chemical alterations and polymer blending. By using these methods, shellac’s thermal attributes have been enhanced. The review also enlists some of the major applications of the material. The rich history of shellac, enhancement in thermal properties by using different chemical additions and modifications, along with some major applications, summarizes this review. Modifications with materials, like HPMC, epoxidized soyabean oil, zirconium, novolac, and ZnO, aided in enhancing the thermal attribute(s). The provided modifications will also help bring the material, like shellac, into high-temperature applications.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"1727 - 1749"},"PeriodicalIF":3.4,"publicationDate":"2026-04-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 and modification of polyaniline–boron nitride for enhancing the corrosion resistance of waterborne epoxy coatings","authors":"Hongrui Yao, Xinwei Wang, Wanshen Li, Na Wang","doi":"10.1007/s11998-025-01259-5","DOIUrl":"10.1007/s11998-025-01259-5","url":null,"abstract":"<div><p>The combination of waterborne epoxy coatings (WECs) and two-dimensional nanofillers is a major method to improve the coating’s anticorrosion performance. In this paper, polyaniline (PANI) is deposited on the surface of hexagonal boron nitride (h-BN) through in situ polymerization to enhance the compatibility between h-BN and WEC. Then, the two oxides (TiO<sub>2</sub> and CeO<sub>2</sub>) are loaded on the h-BN-PANI by in situ hydrolysis, obtaining two composite nanofillers (h-BN-PANI@TiO<sub>2</sub> and h-BN-PANI@CeO<sub>2</sub>). The structures of composite nanofillers are investigated by FTIR, XRD, and SEM. The anticorrosion performances of WECs with h-BN-PANI, h-BN-PANI@TiO<sub>2</sub>, and h-BN-PANI@CeO<sub>2</sub> are evaluated by EIS and salt spray test. The EIS results show that h-BN-PANI@TiO<sub>2</sub>/WEC and h-BN-PANI@CeO<sub>2</sub>/WEC exhibit the best corrosion resistance, and its low-frequency impedance (<i>Z</i><sub><i>f</i>=0.01 Hz</sub>) is one order of magnitude higher than those of pure WEC and h-BN/WEC. In salt spray test, h-BN-PANI@TiO<sub>2</sub>/WEC and h-BN-PANI@CeO<sub>2</sub>/WEC also show excellent long-term corrosion resistance with few corrosion products even after 600 h. Besides, h-BN-PANI@TiO<sub>2</sub>/WEC and h-BN-PANI@CeO<sub>2</sub>/WEC reflect fantastic adhesion strength. Generally, the excellent protection properties of h-BN-PANI@TiO<sub>2</sub>/WEC and h-BN-PANI@CeO<sub>2</sub>/WEC are attributed to the presence of PANI and oxides (TiO<sub>2</sub> or CeO<sub>2</sub>) on h-BN, which increase the compatibility and surface interactions between two-dimensional nanofillers and waterborne epoxy resin.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2271 - 2282"},"PeriodicalIF":3.4,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Amit Madhu, Lalit Jajpura, Nagender Singh, Mayur Jindal
{"title":"Recent developments in the flame-retardant coating for textiles: an overview of their chemistry, mechanism, and sustainability","authors":"Amit Madhu, Lalit Jajpura, Nagender Singh, Mayur Jindal","doi":"10.1007/s11998-025-01236-y","DOIUrl":"10.1007/s11998-025-01236-y","url":null,"abstract":"<div><p>The increasing global focus on environmental sustainability has accelerated the development of eco-friendly flame-retardant (FR) coatings for textiles. Conventional phosphorus/nitrogen (P/N)-based flame retardants, though highly effective in imparting fire resistance, often suffer from drawbacks such as the release of formaldehyde and limited durability, thereby raising safety and regulatory concerns. Consequently, recent research has prioritized the design of formaldehyde-free alternatives, alongside broader categories such as bio-based P/N substitutes and phosphorus-free systems. Emerging strategies involve the integration of renewable and sustainable raw materials—including biomass-derived compounds, kaolin, clays, and metal-based additives—into FR formulations. Additionally, hybrid organic–inorganic systems, advanced intumescent chemistries, and novel functional groups have been introduced to balance fire performance with ecological responsibility. The application of innovative surface-engineering techniques, such as layer-by-layer deposition, plasma-assisted modification, sol–gel processes, and nanotechnology-driven coatings, has further enhanced flame retardancy while offering multifunctionality. Nevertheless, the overall environmental performance of these systems is highly dependent on factors such as chemical composition, synthesis route, processing energy, and end-of-life behavior. Life cycle assessment (LCA) studies suggest that bio-based and polymeric FRs generally exhibit lower carbon footprints compared to traditional systems; however, their sustainability advantages are contingent upon responsible sourcing, scalability, and efficient waste management practices. This review systematically categorizes and critically evaluates recent advances in sustainable FR coatings, highlighting both their technical progress and ecological trade-offs to guide the future design of safer, high-performance, and environmentally responsible flame-retardant textiles.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 3","pages":"1335 - 1381"},"PeriodicalIF":2.8,"publicationDate":"2026-03-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147757212","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Integrating bioactive mineral micro/nanoparticles into starch-based coatings for packaging paper with dual antibacterial and antifungal functionalization","authors":"Kapphapaphim Wanitpinyo, Kawinthida Nanta, Korawit Chitbanyong, Piyawan Yimlamai, Piyangkun Lueangjaroenkit, Sawitree Pisutpiched, Somwang Khantayanuwong, Buapan Puangsin","doi":"10.1007/s11998-025-01244-y","DOIUrl":"10.1007/s11998-025-01244-y","url":null,"abstract":"<div><p>Functional coatings of hydrophobic starch matrix integrated with silver zeolite (AgZ), zinc oxide nanoparticles (ZnONPs), and titanium dioxide nanoparticles (TiO<sub>2</sub>NPs) were prepared to develop antimicrobial activity of packaging paper. The impact of the types and concentrations of these antimicrobial agents on the physical, mechanical, water resistance, and antimicrobial properties of the coated paper was thoroughly examined. The minimum inhibitory concentration (MIC) of AgZ, ZnONPs against both Gram-negative (<i>Escherichia</i> <i>coli</i> and <i>Pseudomonas</i> <i>aeruginosa</i>) and Gram-positive (<i>Streptococcus</i> <i>aureus</i> and <i>Bacillus</i> <i>cereus</i>) bacteria was found to be 50 ppm. However, the MIC of TiO<sub>2</sub>NPs was 50 ppm against <i>P.</i> <i>aeruginosa</i> and <i>S.</i> <i>aureus</i>. The coating effectively enhanced mechanical strength properties by filling surface voids and consequently improving their mechanical properties without compromising the moisture-barrier properties of the paper. The coatings matrix containing HS/AgZ(250) demonstrated strong inhibition against both Gram-negative (<i>E.</i> <i>coli</i> and <i>P.</i> <i>aeruginosa</i>) and Gram-positive (<i>S.</i> <i>aureus</i> and <i>B.</i> <i>cereus</i>) bacteria. Furthermore, antifungal tests confirmed that coatings with AgZ, ZnONPs, and TiO<sub>2</sub>NPs inhibited the growth of <i>Colletotrichum</i> <i>gloeosporioides</i>. Among the antimicrobial agents in this study, silver ions exhibited superior efficacy compared to zinc oxide and titanium dioxide. Based on the results in this work HS/AgZ(250) and HS/ZnONPs(50,000) coated paper would have the potential to be used as a functional product where microbial stability is required for various applications.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2075 - 2085"},"PeriodicalIF":3.4,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Rapid formulation and application of poly-γ-glutamate into an ultrabroad-spectrum, safer microbicidal coating","authors":"Toma Onari, Makoto Ashiuchi","doi":"10.1007/s11998-025-01239-9","DOIUrl":"10.1007/s11998-025-01239-9","url":null,"abstract":"<div><p>Infectious diseases are primarily caused by pathogens from the environment that invade the human body. Obstructing this infection route is thus crucial for prevention. Our current research focused on the development of a novel material for multiple-contact infection prophylaxis. We recently developed a promising supramolecular material, called poly-γ-glutamate ion-complex (PGAIC), which is synthesized using poly-γ-glutamate and cetylpyridinium. However, its preventiveness against human pathogens, such as the novel coronavirus, <i>Serratia</i> bacteria, and dermatophytes, remained unclear. In this research, we prove the triple (<i>i.e.</i>, anti-SARSCoV-2, anti-<i>Serratia</i>, and anti-<i>Trichophyton</i>) protective performance of PGAIC and propose a feasible application of PGAIC coatings in public health management.</p><h3>Graphical abstract</h3>\u0000<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2017 - 2032"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jiahui Wang, Weijie Zhang, Jing Zhan, Weiyi Xing, Tao Yu, Ju Liu, Wenjie Wei
{"title":"Transparent photocurable coatings based on phosphate ester/piperazine structure to enhance the flame retardancy of PC","authors":"Jiahui Wang, Weijie Zhang, Jing Zhan, Weiyi Xing, Tao Yu, Ju Liu, Wenjie Wei","doi":"10.1007/s11998-025-01243-z","DOIUrl":"10.1007/s11998-025-01243-z","url":null,"abstract":"<div><p>Polycarbonate (PC) is known for its outstanding transparency and impact resistance; however, there is a growing need to improve its flame retardancy while preserving these key properties. Herein, a high-transparency flame-retardant coating was synthesized using tris(acryloxyethyl) phosphate (TAEP) and bis-functional (hydroxypropyl methacrylate) piperazine (DHMP) through a photocuring process. By optimizing the TAEP-to-DHMP ratio, the coated PC achieved excellent fire resistance without sacrificing optical clarity. All coatings demonstrated good adhesion levels (5B), surface hardness (6H), and transparency. In particular, the PC sample with photocurable coating prepared by TAEP and DHMP in a 2:1 ratio (PC-TA/DH2) showed a significant reduction in peak heat release rate in cone calorimeter tests (CCT), demonstrating a reduction of 43.2% lower than that of neat PC. In the fire resistance tests involving thermal shock from a butane torch flame, the PC-TA/DH2 sample demonstrated the longest fireproof time, being 70% longer than that of PC. Moreover, the PC-TA/DH2 sample developed a highly expanded char structure with few cracks thanks to the phosphorus-nitrogen synergistic effects after CCT. This work provides an applied approach to make functional flame-retardant coatings for PC.</p></div>","PeriodicalId":619,"journal":{"name":"Journal of Coatings Technology and Research","volume":"23 4","pages":"2061 - 2074"},"PeriodicalIF":3.4,"publicationDate":"2026-03-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148519527","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}