Progress in Organic Coatings最新文献_第2页

Integrating PANI@BTA@MSN mesoporous nano-hybrid into zinc-rich epoxy coatings for long-term smart anti-corrosion durability 将PANI@BTA@MSN介孔纳米杂化物集成到富锌环氧涂料中，实现长期智能防腐耐久性

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-22 DOI: 10.1016/j.porgcoat.2025.109329

Maryam Agheli , Mohammad Reza Vaezi , Behzad Aghabarari , Bahram Ramezanzadeh

{"title":"Integrating PANI@BTA@MSN mesoporous nano-hybrid into zinc-rich epoxy coatings for long-term smart anti-corrosion durability","authors":"Maryam Agheli , Mohammad Reza Vaezi , Behzad Aghabarari , Bahram Ramezanzadeh","doi":"10.1016/j.porgcoat.2025.109329","DOIUrl":"10.1016/j.porgcoat.2025.109329","url":null,"abstract":"<div><div>Zinc-rich epoxy coatings (ZRs) offer effective cathodic protection by combining metallic zinc fillers with organic barriers; however, issues with high zinc filler loading have prompted the exploration of alternative methods. This study investigates a novel approach, incorporating a Pani@BTA@MSN composite into ZR coatings to enhance long-term anti-corrosion durability. Here, a mesoporous silica nanoparticle (MSN) was synthesized as a mesoporous carrier for benzotriazole (BTA) and polyaniline (PANI), both of which contribute to the coating's corrosion resistance. The nano-hybrid structure was characterized using FTIR, FESEM, BET, UV–Vis, and TGA techniques. Electrochemical analyses, including EIS and Tafel tests, showed that inhibitor release from PANI@BTA@MSN increased |Z|<sub>10mHz</sub> values to 2415 Ω·cm<sup>2</sup> after 24 h in saline solution, achieving an 82 % inhibition efficiency. Furthermore, EIS and OCP tests in the coating phase revealed that the intact composite-enhanced ZR coating extended cathodic protection from 10 to 20 days. After 65 days, the barrier performance improved by an order of magnitude compared to neat ZR coatings. FESEM/EDS mapping demonstrated the protective layer's formation, while pull-off adhesion tests showed minimal adhesion loss (5 %) in the PANI@BTA@MSN-ZR coating, underscoring its enhanced barrier and active anti-corrosion properties.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109329"},"PeriodicalIF":6.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854964","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}

引用次数: 0

Robust multifunctional superhydrophobic synthetic diamond/UIO-66-(OH)2/epoxy/PDMS coatings for oil-water separation, flame retardancy and anti-icing 坚固的多功能超疏水合成金刚石/UIO-66-(OH)2/环氧树脂/PDMS涂料，用于油水分离，阻燃和防冰

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-22 DOI: 10.1016/j.porgcoat.2025.109317

Bo Huang, Haoguang Wang, Qi-an Pan, Xinrui Miao, Wenli Deng

{"title":"Robust multifunctional superhydrophobic synthetic diamond/UIO-66-(OH)2/epoxy/PDMS coatings for oil-water separation, flame retardancy and anti-icing","authors":"Bo Huang, Haoguang Wang, Qi-an Pan, Xinrui Miao, Wenli Deng","doi":"10.1016/j.porgcoat.2025.109317","DOIUrl":"10.1016/j.porgcoat.2025.109317","url":null,"abstract":"<div><div>Superhydrophobic materials are highly promising for diverse applications including self-cleaning, oil-water separation, anti-corrosion, flame retardancy, and resistance to frost and ice accumulation. However, their limited mechanical durability is a critical limitation impeding their broader industrial applications. In this study, a superhydrophobic synthetic diamond/UIO-66-(OH)<sub>2</sub>/epoxy/PDMS (DUEP) composite coating was developed by spraying synthetic diamond/UIO-66-(OH)<sub>2</sub>/PDMS suspension onto an aluminum sheet (Al<img>S) pre-coated with epoxy resin, which exhibited excellent self-cleaning, antifouling capabilities, UV resistance, good chemical stability, high mechanical stability, excellent anti-frosting/icing performance. In addition, the superhydrophobic stainless steel mesh (DUEP-SM) was fabricated by spraying DUEP suspension onto the stainless steel mesh surface, which retained excellent oil/water separation performance for dichloromethane and dichloroethane. The superhydrophobic cotton fabric (DUEP-CF) was fabricated by immersing the cotton fabric into DUEP suspension, which had outstanding flame-retardant performance. The DUEP composite coatings are multifunctional and possess the capacity for extensive applications.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109317"},"PeriodicalIF":6.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143855028","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}

引用次数: 0

A robustly injectable hydrogel bioadhesive for sutureless repair of large colonic defects 一种可注射的水凝胶生物胶粘剂，用于大结肠缺损的无缝合线修复

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-22 DOI: 10.1016/j.porgcoat.2025.109320

Ze Wang , Bo Cao , Bo Wei , Qixuan Xu , Xing Wang , Lin Chen , Jianxin Cui

{"title":"A robustly injectable hydrogel bioadhesive for sutureless repair of large colonic defects","authors":"Ze Wang , Bo Cao , Bo Wei , Qixuan Xu , Xing Wang , Lin Chen , Jianxin Cui","doi":"10.1016/j.porgcoat.2025.109320","DOIUrl":"10.1016/j.porgcoat.2025.109320","url":null,"abstract":"<div><div>Despite recent advances in surgical adhesives as promising alternatives to sutures or staplers for colonic defects and gastrointestinal management, significant challenges persist regarding to excellent biocompatibility, injectability operation, robust tissue adhesion and durable stability in colon environments due to the growing popularity of minimally invasive laparoscopy. In this work, we reported an in situ injectable hydrogel bioadhesive (OSG) consisting of FDA-approved Octa-armed poly (ethylene glycol) succinimidyl glutarate (Octa-PEG-SG) and Octa-armed poly (ethylene glycol) amine (Octa-PEG-NH2) polymers for sutureless repair of large colonic defects. The OSG hydrogel was advantageous to rapid injection to cover the whole irregular surfaces via the formation of uniform networks and chemical interface binding, and capable of instant adhesion, high burst pressure, secure sutureless closure and durable compliance in the ex vivo porcine colonic injury models, thus enabling robust wet adhesion interfaces even in direct contact with intestinal fluids and constant colonic peristalsis. In terms of excellent biocompatibility and suitable degradability after a comprehensive evaluation from in vivo and in vitro studies, OSG hydrogel was validated with efficient sutureless colonic repair in a rat-injured model without causing postoperative adhesion, long-term inflammatory response and colonic transcriptome and microbiome interference. Innovatively, we further established large-size (3 cm) of porcine colonic defect models by minimally invasive technique, and verified its therapeutic effect under laparoscopic technology. Overall, the proposed OSG bioadhesive offers a promising clinical alternative to sutures for the treatment of colonic defects.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109320"},"PeriodicalIF":6.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143855029","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}

引用次数: 0

High-performance metallic-effect powder coatings enabled by microwave energy 微波能实现高性能金属效应粉末涂料

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-22 DOI: 10.1016/j.porgcoat.2025.109326

Xuan Chen , Wei Liu , Xinping Zhu , Yingchun Liu , Bomei Liu , Yuying Zheng , Jesse Zhu , Hui Zhang

{"title":"High-performance metallic-effect powder coatings enabled by microwave energy","authors":"Xuan Chen , Wei Liu , Xinping Zhu , Yingchun Liu , Bomei Liu , Yuying Zheng , Jesse Zhu , Hui Zhang","doi":"10.1016/j.porgcoat.2025.109326","DOIUrl":"10.1016/j.porgcoat.2025.109326","url":null,"abstract":"<div><div>Metallic-effect powder coatings (MPCs), made of base powder coatings (BPCs) and metallic pigments (MPs), offer a metallic appearance and substrate protection. Their market growth is driven by zero VOC emissions and lower costs, compared to solvent-borne metallic-effect coatings (SMCs). However, MPCs typically add <2.0 wt% MPs, whereas the addition of MPs in SMCs is generally above 5.0 wt%. The relatively low MPs addition in MPCs restrict their further development. The challenge for MPCs is the instability of the metallic effect caused by the separation of MPs from the BPCs during the spraying. Traditional bonding using frictional energy and hot-water jackets often fails to maintain stability with higher MP contents. This study explores microwave energy as heating source for bonding method, showing that microwave-bonded MPC exhibit better metallic effects, and higher stability, especially at a high metallic effect of 8.0 wt% MP (Al flakes). This study offering a promising approach for MPCs with high MP concentrations.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109326"},"PeriodicalIF":6.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854963","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}

引用次数: 0

Design and synthesis of a dual-DOPO-based flame retardant: performance evaluation and mechanistic study in waterborne polyurethane systems 双dopo基阻燃剂的设计与合成：水性聚氨酯体系的性能评价与机理研究

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-22 DOI: 10.1016/j.porgcoat.2025.109330

Yanbo Ding , Libo Sun , Jiale Qu , Guangxian Yang , Jianing Wang , Xinrui Pan , Quanjie Wang , Lianxiang Feng , Baorong Duan , Yonggen Weng

{"title":"Design and synthesis of a dual-DOPO-based flame retardant: performance evaluation and mechanistic study in waterborne polyurethane systems","authors":"Yanbo Ding , Libo Sun , Jiale Qu , Guangxian Yang , Jianing Wang , Xinrui Pan , Quanjie Wang , Lianxiang Feng , Baorong Duan , Yonggen Weng","doi":"10.1016/j.porgcoat.2025.109330","DOIUrl":"10.1016/j.porgcoat.2025.109330","url":null,"abstract":"<div><div>Waterborne polyurethane (WPU) has gained extensive applications in eco-friendly coatings, adhesives, and related fields owing to its inherent safety, environmental compatibility, and superior performance. Nevertheless, its high flammability severely restricts practical implementation. In the present research, a dual-DOPO-based nitrogen‑phosphorus flame retardant (PHED) was designed and subsequently incorporated into WPU to develop flame-retardant PHED-WPU. Remarkably, the incorporation of 12 wt% PHED elevated the limiting oxygen index of WPU from 21.2 % to 28.6 %. Additionally, PHED-WPU demonstrated exceptional flame inhibition characteristics, reaching a V-0 grade in the vertical burning tests (UL-94, compared to no rating for pristine WPU), along with 43.6 % and 30.5 % reductions in total smoke production and total heat release, respectively. It was found that the char formation of 12 % PHED-WPU at 600 °C could reach 7.37 %, 47.99 % higher than WPU (4.98 %). The enhanced flame retardancy is attributed to a synergistic mechanism involving: 1) gas-phase dilution by non-combustible volatiles, 2) quenching of free radicals via phosphorus-containing species at the condensed phase, and 3) formation of a protective phosphorus-rich characeous barrier. Meanwhile, while the flame retardancy performance was significantly improved, the inherent mechanical properties of WPU were maintained. These findings offer valuable insights for developing environmentally friendly flame-retardant WPU systems with superior comprehensive performance.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109330"},"PeriodicalIF":6.5,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143854962","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}

引用次数: 0

Investigate the performance of functional coatings with physically modified boron nitride composite fillers 研究使用物理改性氮化硼复合填料的功能涂料的性能

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-18 DOI: 10.1016/j.porgcoat.2025.109309

Jinbiao Wang , Xiaomei Wang , Xin Sun , Xiao Wang , Qiyuan Li , Mingsheng Bu , Lizhuang Chen , Zhengbai Zhao , Hui Yan , Weili Li

{"title":"Investigate the performance of functional coatings with physically modified boron nitride composite fillers","authors":"Jinbiao Wang , Xiaomei Wang , Xin Sun , Xiao Wang , Qiyuan Li , Mingsheng Bu , Lizhuang Chen , Zhengbai Zhao , Hui Yan , Weili Li","doi":"10.1016/j.porgcoat.2025.109309","DOIUrl":"10.1016/j.porgcoat.2025.109309","url":null,"abstract":"<div><div>Fillers play a pivotal role in endowing coatings with multifunctional properties. Hexagonal boron nitride (h-BN), a lamellar nanofiller, can significantly enhance the thermal conductivity, corrosion resistance, and mechanical properties of polymer resin-based coatings due to its unique structural features. However, the significant surface energy mismatch between h-BN (a low-polarity inorganic material) and polar organic polymers leads to poor interfacial wettability and phase separation tendencies. Simultaneously, the high specific surface area of BN nano/micro particles promotes agglomeration driven by hydrogen bonding, π-π stacking, or electrostatic forces (e.g., charged surfaces). This study employs an environmentally friendly physical encapsulation strategy to modify h-BN using silica sol, while leveraging the porous structure of dried silica sol to adsorb the corrosion inhibitor benzotriazole (BTA), thereby synergistically improving the corrosion resistance of the coating. FE-SEM observations confirm that silica sol successfully constructs a porous morphology on the surface of lamellar BN, effectively inhibiting filler agglomeration in the resin. The introduction of modified BN increases the coating hardness to 3H, with in-plane and through-thickness thermal conductivities improving by 1332 % and 342 %, respectively, compared to pure epoxy coatings. Electrochemical impedance spectroscopy (EIS) and salt spray tests demonstrate a remarkable enhancement in corrosion resistance. This research provides a novel approach for the application of h-BN in functional protective coatings.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109309"},"PeriodicalIF":6.5,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844980","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}

引用次数: 0

Mechanically robust superhydrophobic coatings for efficiency and recyclable microplastic removal 机械坚固的超疏水涂层，高效和可回收的微塑料去除

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-18 DOI: 10.1016/j.porgcoat.2025.109328

Anhua Ren , Oriol Rius-Ayra , Min Kang , Nuria Llorca-Isern

{"title":"Mechanically robust superhydrophobic coatings for efficiency and recyclable microplastic removal","authors":"Anhua Ren , Oriol Rius-Ayra , Min Kang , Nuria Llorca-Isern","doi":"10.1016/j.porgcoat.2025.109328","DOIUrl":"10.1016/j.porgcoat.2025.109328","url":null,"abstract":"<div><div>Microplastic pollution has become a severe environmental challenge, necessitating efficient and durable removal strategies. In this study, a durable superhydrophobic coating was prepared on 316L by one-step liquid-phase electrodeposition method. The coating was composed of an organic outer layer enriched with the long carbon chains of lauric acid and an inorganic structure featuring MoS₂ as the skeleton and ZnO as the matrix. This unique hierarchical structure contributed to excellent long-lasting superhydrophobicity and mechanical stability. XPS depth profiling confirmed the successful incorporation of MoS₂ and the formation of zinc laurate, which enhanced the micro-nanostructure and chemical robustness. The coating demonstrated a high-water contact angle above 155° and a sliding angle of ≤1°under extreme pH conditions (pH 1–13), demonstrating excellent hydrophobicity and chemical stability. Even after sandpaper wear, sea sand impact, and mud rotation stirring, the coating still remained its superhydrophobic properties and exhibited its superior durability. In addition, the coating showed excellent stability and high efficiency in the microplastic (MPs) removal experiment, providing an economically feasible solution for water pollution control.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109328"},"PeriodicalIF":6.5,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844978","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}

引用次数: 0

Combined experimental and reactive molecular dynamics study on stability and oxidation of aluminum nanoparticles with silane-based coatings 硅烷基涂层纳米铝的稳定性和氧化反应分子动力学研究

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-18 DOI: 10.1016/j.porgcoat.2025.109289

Hyung Sub Sim , Suk Jekal , Chang-Min Yoon , Sungwook Leo Hong

{"title":"Combined experimental and reactive molecular dynamics study on stability and oxidation of aluminum nanoparticles with silane-based coatings","authors":"Hyung Sub Sim , Suk Jekal , Chang-Min Yoon , Sungwook Leo Hong","doi":"10.1016/j.porgcoat.2025.109289","DOIUrl":"10.1016/j.porgcoat.2025.109289","url":null,"abstract":"<div><div>The introduction of high-energy aluminum nanoparticles (ANPs) into hydrocarbon-based liquid fuels enhances energy density and combustion efficiency. However, their strong tendency to aggregate and oxidize at storage temperatures poses significant challenges, affecting dispersion stability and fuel performance. This study investigates the effectiveness of silane coatings in mitigating these challenges through a combination of experimental synthesis and reactive molecular dynamics (MD) simulations. Experimentally, FT-IR analysis and sedimentation tests confirm the successful adsorption of octadecyltriethoxysilane (OTES), triethoxy(octyl)silane (TEOS), (3-aminopropyl)triethoxysilane (APTS), and tris(trimethylsilyloxy)silane (TMSS) onto ANPs, with OTES exhibiting the highest dispersion stability in hydrocarbon fuels. MD simulations further reveal atomic-level reaction steps in the surface coating, highlighting that OTES undergoes C–O bond dissociation, forming Al–O–Si linkages that strengthen its adhesion to ANPs. RDF analysis demonstrates a progressive increase in surface coverage across multiple coating cycles, leading to a stable hydrophobic layer that effectively prevents water-induced hydrolysis and oxidation. Additional MD analyses confirm that OTES-ANPs suppress aggregation and sintering at elevated temperatures (2000 K), while improving oxidation efficiency by enabling the self-detachment of the coating. These findings establish silane coatings, particularly OTES, as a promising strategy for stabilizing metal nanoparticles in high-energy-density fuel applications, mitigating oxidation, and optimizing combustion performance.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109289"},"PeriodicalIF":6.5,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844979","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}

引用次数: 0

Self-lubricating and intelligent temperature-regulating waterborne self-stratifying coating 自润滑智能调温水性自分层涂料

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-17 DOI: 10.1016/j.porgcoat.2025.109322

Jianing Zhu , Haoru Yang , Yingchun Long , Tianlin Liu , Haipeng Liu , Yang Xuan , Daqi Li , Shijie Deng , Xiaofeng Li , Peng Min , Tang Zhu , Zhi Yu , Na Wang , Fuxin Liang

{"title":"Self-lubricating and intelligent temperature-regulating waterborne self-stratifying coating","authors":"Jianing Zhu , Haoru Yang , Yingchun Long , Tianlin Liu , Haipeng Liu , Yang Xuan , Daqi Li , Shijie Deng , Xiaofeng Li , Peng Min , Tang Zhu , Zhi Yu , Na Wang , Fuxin Liang","doi":"10.1016/j.porgcoat.2025.109322","DOIUrl":"10.1016/j.porgcoat.2025.109322","url":null,"abstract":"<div><div>Phase change material paraffin was encapsulated with various Janus shell to synthesize phase change microcapsule (PCM), which was added into waterborne coating to achieve self-stratifying coating. Leveraging the excellent water dispersibility of PCM and its density difference with aqueous epoxy resin, PCM composition spontaneously stratify to the surface and upper part of coating during its formation process. It was investigated the synergistic effect of Janus shell and encapsulated paraffin endows the coating with excellent lubrication performance, with a friction coefficient of less than 0.04. In addition, the self-stratifying coating with a layered structure combined the hydrophobicity of the paraffin in PCM with the adhesion of the epoxy resin. After the PCM was damaged, the paraffin and Janus sheets can cover and heal the damage, resulting in excellent corrosion resistance. Based on the phase change thermal storage property of PCM, the as-formed coatings can cause a temperature difference of more than 10 °C, which has application potential in the field of intelligent temperature regulation.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109322"},"PeriodicalIF":6.5,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143838228","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}

引用次数: 0

Waterborne non‑silicone release coatings based on comb-like supramolecules: Synthesis, structure, and properties 基于梳状超分子的水性非硅树脂脱模涂料：合成、结构和性能

IF 6.5 2区材料科学

Progress in Organic Coatings Pub Date : 2025-04-17 DOI: 10.1016/j.porgcoat.2025.109323

Minzhe Peng, Yajiang Huang

{"title":"Waterborne non‑silicone release coatings based on comb-like supramolecules: Synthesis, structure, and properties","authors":"Minzhe Peng, Yajiang Huang","doi":"10.1016/j.porgcoat.2025.109323","DOIUrl":"10.1016/j.porgcoat.2025.109323","url":null,"abstract":"<div><div>Non‑silicone release coatings, which are capable of reducing the adhesion force between adjacent surfaces, are widely used in fields such as electronics. Currently, they consist of mainly <em>comb</em>-like polymers with long alkyl side chains prepared via covalent grafting and usually require a large amount of organic solvents both during the synthesis and application process. In this study, a <em>comb</em>-like supramolecule (SGP) named PZS was synthesized in water via non-covalent grafting of stearic acid (SA) on polyvinyl alcohol (PVA) with ammonium zirconium carbonate (AZC) as the bridging agent. The effects of grafting amount on the microphase structure, crystallization properties, surface properties, and release performance of SGP were investigated. The release coatings prepared from the aqueous solution of SGP with an optimal molar ratio of [-OH]<sub>PVA</sub>: [Zr]<sub>AZC</sub>: [-COOH]<sub>SA</sub> = 2:1:2 were found to display a low peel strength (82.4 ± 16.8 N/m) comparable to that of covalently grafted ones. Most importantly, the newly developed PZS is waterborne and achieved nearly zero release of volatile organic compounds (VOCs) throughout their entire life cycle (i.e. synthesis and use stage). The newly developed waterborne SGP are promising release agent candidates that fulfill comprehensive industrial requirements of low peel strength, low cost, and environmental friendliness.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"205 ","pages":"Article 109323"},"PeriodicalIF":6.5,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143844879","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}

引用次数: 0