Progress in Organic Coatings最新文献_第10页

In-situ cation capture self-healing coating inspired by the Venus flytrap for long-term corrosion protection of buried metal: preparation, mechanism and performance 受捕蝇草启发的用于埋藏金属长期腐蚀保护的原位阳离子捕获自修复涂层：制备、机制和性能

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-04-01 Epub Date: 2026-01-19 DOI: 10.1016/j.porgcoat.2026.109980

Wei Du , Lanhe Zhang , Jingru Bai , Hongbo An , Jingbo Guo , Xu Lin , Yuqing Tian , Haiyan Zhang

{"title":"In-situ cation capture self-healing coating inspired by the Venus flytrap for long-term corrosion protection of buried metal: preparation, mechanism and performance","authors":"Wei Du , Lanhe Zhang , Jingru Bai , Hongbo An , Jingbo Guo , Xu Lin , Yuqing Tian , Haiyan Zhang","doi":"10.1016/j.porgcoat.2026.109980","DOIUrl":"10.1016/j.porgcoat.2026.109980","url":null,"abstract":"<div><div>Ti<sub>3</sub>C<sub>2</sub>T<sub>x</sub> MXene exhibited excellent lamellar structure and could be used as the filler to improve corrosion resistance of waterborne epoxy (WEP) resin. Unfortunately, the aggregation tendency of MXene and its poor antioxidant stability severely limited anti-corrosion performance. Inspired by the predation behavior of Venus flytrap, PCD-MX/WEP coating with excellent dispersion and stress closure function was prepared using MXene co-modified with carbon dots (CDs) and phenanthroline (Phen) derivatives as the fillers, while its physical properties, self-healing capability and corrosion resistance were investigated. The results indicated that the low-frequency impedance modulus (|Z|<sub>0.01Hz</sub>) of PCD-MX/WEP was 5.83 × 10<sup>8</sup> Ω·cm<sup>2</sup> after 90 days of immersion in a 3.5 wt% NaCl solution, which was one to two orders of magnitude higher than that of WEP coating. After being buried outdoors for 70 days, the PCD-MX/WEP coating was not corroded, with a |Z|<sub>0.01Hz</sub> value of 3.61 × 10<sup>7</sup> Ω·cm<sup>2</sup>. It exhibited excellent water resistance and wear resistance due to strong interfacial interaction and high density. According to density functional theory (DFT) calculations, both [Fe(Phen)<sub>3</sub>]<sup>2+</sup> and CD@Fe<sup>3+</sup> complexes were thermodynamically stable, while hydrogen bonding between PCD-MX and WEP resin ensured favorable interfacial compatibility. The coating could achieve self-healing capability due to rapid formation of [Fe(Phen)<sub>3</sub>]<sup>2+</sup> in PCD-MX/WEP, and in-situ capture of metal cations by Phen groups could significantly inhibit the generation of corrosion products. This work offers an innovative method for preparing intelligent, environmentally friendly, and self-healing anti-corrosion coating suitable for moist soil.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"213 ","pages":"Article 109980"},"PeriodicalIF":7.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146023565","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

Durable anti-fogging coatings based on dynamic oxime-urethane crosslinking 基于动态肟-聚氨酯交联的耐久防雾涂料

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-04-01 Epub Date: 2026-01-19 DOI: 10.1016/j.porgcoat.2026.109982

Lingling Huang , Liang Li , Zhibing Song , Xincai Wang , Huicong Mao , Hongwei Wu , Bi Xu

{"title":"Durable anti-fogging coatings based on dynamic oxime-urethane crosslinking","authors":"Lingling Huang , Liang Li , Zhibing Song , Xincai Wang , Huicong Mao , Hongwei Wu , Bi Xu","doi":"10.1016/j.porgcoat.2026.109982","DOIUrl":"10.1016/j.porgcoat.2026.109982","url":null,"abstract":"<div><div>Conventional anti-fogging coatings are susceptible to abrasion, leading to significant deterioration of their anti-fogging performance. To address this limitation, we develop a dynamic crosslinked polymer coating that enhances abrasion resistance and self-healing capability through reversible chemical bonding. A dynamic crosslinker was initially synthesized via the reaction between dimethylglyoxime and ethacryloyloxyethyl isocyanate, and subsequently <em>co</em>-polymerized with methacrylic acid and methyl methacrylate. The resulting copolymer was covalently grafted onto amino-functionalized glass substrates to form a robust anti-fogging coating. The anti-fogging coating retains an average transmittance over 85% after 2000 cycles of sand-particle abrasion or 3 h of immersion in deionized water. Furthermore, the coating maintains a transmittance of over 80% when exposed to 80 °C steam for 4 h and exhibits rapid scratch healing within 15 s. These combined properties underscore the potential of the dynamic crosslinked coating for durable and high-performance anti-fogging applications.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"213 ","pages":"Article 109982"},"PeriodicalIF":7.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146023678","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

Epoxy coatings reinforced with LDH–COF nanocarriers: A dual-function strategy for barrier and active protection 用LDH-COF纳米载体增强环氧涂料：一种双重功能的屏障和主动保护策略

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-04-01 Epub Date: 2026-01-27 DOI: 10.1016/j.porgcoat.2026.109958

Laleh Kaghazchi , Reza Naderi , Bahram Ramezanzadeh

{"title":"Epoxy coatings reinforced with LDH–COF nanocarriers: A dual-function strategy for barrier and active protection","authors":"Laleh Kaghazchi , Reza Naderi , Bahram Ramezanzadeh","doi":"10.1016/j.porgcoat.2026.109958","DOIUrl":"10.1016/j.porgcoat.2026.109958","url":null,"abstract":"<div><div>Due to the drawbacks of LDH, including limited interlayer spaces, restricted choice of corrosion inhibitors, and difficulty in dispersion in epoxy, this study selected COF with a porous structure for hybridization and fabrication of a nanocarrier with a higher loading capacity and controlled release. After the synthesis of LDH-COF (LC), the sodium glutamate-zinc was selected as the inhibitor, and the loading process was carried out. Following the characterization tests (FESEM, XRD, BET, and XPS) to demonstrate the successful synthesis, corrosion studies were carried out in two sections: saline solution and epoxy coating. The LDH sheets decorated with spherical particles of COF showed a specific surface area of twice that of LDH (112 m<sup>2</sup>/g). The presence of LC/sodium glutamate-zinc (SG-Zn) in the 3.5 wt% NaCl solution led to an inhibition efficiency of 96%. The charge transfer resistance after 5 h of immersion (147,500 Ω.cm<sup>2</sup>) and the rate of 7 after 1000 h of salt spray test revealed the desirable active protection performance of LC-SZ/EP. While the intact EP coating exhibited a noticeable decline in impedance after 70 days of exposure, the LC-SZ/EP coating maintained a stable impedance of approximately 10<sup>11</sup> Ω·cm<sup>2</sup>. In addition to creating a coating system with improved barrier properties and providing active protection, dry and wet adhesion were increased by 23% and 44%, respectively, and the cathodic delamination radius was reduced by 55%.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"213 ","pages":"Article 109958"},"PeriodicalIF":7.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146078508","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

Fabrication and performance evaluation of hydrophobic flame-retardant coatings on polyester substrates via phytic acid and siloxane 植酸-硅氧烷聚酯基疏水阻燃涂料的制备及性能评价

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-04-01 Epub Date: 2025-12-29 DOI: 10.1016/j.porgcoat.2025.109914

Wei Li , Tianyu Ruan , Yingting Yin , Jinbo Yao , Xuemin Hu

{"title":"Fabrication and performance evaluation of hydrophobic flame-retardant coatings on polyester substrates via phytic acid and siloxane","authors":"Wei Li , Tianyu Ruan , Yingting Yin , Jinbo Yao , Xuemin Hu","doi":"10.1016/j.porgcoat.2025.109914","DOIUrl":"10.1016/j.porgcoat.2025.109914","url":null,"abstract":"<div><div>With the increasing demand for safety and practical performance in textiles, the development of polyester fabrics combining flame retardancy and hydrophobic properties has become an inevitable requirement for industry advancement. This study employed an in-situ cross-linking composite process for dual-functional flame-retardant and hydrophobic coatings. A flame-retardant base coating was constructed on polyester surfaces via blending and crosslinking of phytate‑zinc and siloxane-modified waterborne polyurethane. Subsequently, the flame-retardant layer catalyzed the hydrolysis and condensation of hexadecyltrimethoxysilane on the fabric surface, thereby forming a hydrophobic coating and yielding a polyester material with both hydrophobic and flame-retardant properties. The limiting oxygen index of the modified polyester fabric increased from 19.5 % to 27.2 %. It couldn't be ignited in combustion tests and exhibited no melting droplets. In the cone calorimeter test, the peak heat release rate (PHRR), total heat release (THR), and total smoke release (TSP) decreased by 43 %, 37.8 %, and 35.3 %, respectively. Moreover, the modified polyester fabric exhibited a static water contact angle of up to 149.4°, demonstrating self-cleaning ability, abrasion resistance, and washing durability. This work provides a facile and accessible strategy for the preparation of multifunctional textiles.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"213 ","pages":"Article 109914"},"PeriodicalIF":7.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885999","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 thermosetting elastomer coating induced by imperfect matching with high toughness, high adhesion strength, and recyclability 一种由不完全匹配引起的热固性弹性体涂层，具有高韧性、高粘接强度和可回收性

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-04-01 Epub Date: 2025-12-30 DOI: 10.1016/j.porgcoat.2025.109918

Wei Tian, Jiajia Deng, Jing Zheng, Zhongrong Zhou

{"title":"A thermosetting elastomer coating induced by imperfect matching with high toughness, high adhesion strength, and recyclability","authors":"Wei Tian, Jiajia Deng, Jing Zheng, Zhongrong Zhou","doi":"10.1016/j.porgcoat.2025.109918","DOIUrl":"10.1016/j.porgcoat.2025.109918","url":null,"abstract":"<div><div>Thermosetting elastomers hold significant application value in the coating field due to their exceptional water and heat resistance. However, their inherent low toughness and non-recyclability severely limit their application. Inspired by the mismatch mechanism of nucleic acid bases in regulating biomolecular conformational dynamics, this study innovatively integrates flexible aliphatic chain extenders (MD) with rigid aromatic chain extenders (PD) while incorporating a dynamic crosslinker—trimeric hexamethylene diisocyanate (triHDI)—to construct a supramolecular network system with gradient energy dissipation characteristics. By precisely modulating the MD/PD molar ratio, the system forms a hexuple hydrogen bond network with differentiated binding energies, achieving a hierarchical energy dissipation mechanism under stress. The optimized PU-M2P1 (with an MD/PD molar ratio of 2:1) demonstrates outstanding comprehensive performance: a tensile strength of 63 MPa, elongation at break of 1478 %, toughness of 394 MJ/m<sup>3</sup>, and the ability to bear loads exceeding 20,000 times its own weight. The coating demonstrates an initial shear strength of 6.8 MPa on steel, and exhibits excellent water and heat resistance: the strength remains stable after 24-h water immersion and retains 4.3 MPa at 85 °C. Notably, owing to the dynamic hydrogen bonds and triHDI-derived reversible urea networks, PU-M2P1 exhibits excellent recyclability, retaining 95 % of its initial shear strength even after five dissolution-remolding cycles. This research not only provides an innovative solution to overcome the limitations of thermosetting materials in terms of toughness and recyclability but also establishes a theoretical foundation for developing next-generation high-performance sustainable coatings.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"213 ","pages":"Article 109918"},"PeriodicalIF":7.3,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145885980","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

Study on the preparation and antifouling performance of zinc acrylate resin with laurate structure 月桂酸酯结构丙烯酸锌树脂的制备及其防污性能研究

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-03-01 Epub Date: 2025-12-19 DOI: 10.1016/j.porgcoat.2025.109896

Yanjian Wang , Zuquan Jin , Hao Xu , Xiaoying Zhang , Xinrui Wang , Yubin Cao , Penggang Wang , Liangmin Yu

{"title":"Study on the preparation and antifouling performance of zinc acrylate resin with laurate structure","authors":"Yanjian Wang , Zuquan Jin , Hao Xu , Xiaoying Zhang , Xinrui Wang , Yubin Cao , Penggang Wang , Liangmin Yu","doi":"10.1016/j.porgcoat.2025.109896","DOIUrl":"10.1016/j.porgcoat.2025.109896","url":null,"abstract":"<div><div>To address the issue of marine biofouling and avoid the ecological toxicity risks of traditional antifouling agents, this study prepared a series of acrylate polymers with excellent antifouling performance by synergistically modifying acrylic backbones using lauryl ester groups and functional monomers (EOEOEA, DCPEA, AAEM). The introduction of long-chain alkyl groups accelerated the hydrolytic degradation of the functional groups on the coating surfaces. On one hand, it promotes the release of Zn<sup>2+</sup>, endowing the coating with antibacterial and anti-algal properties, and on the other hand, it enables the coating to exhibit excellent self-polishing properties. Antifouling performance tests showed that the polymer coatings possessed outstanding antibacterial and anti-algal activities: the antibacterial rate against <em>E. coli</em> reached 97.9 ± 0.5 %, that against <em>P. aeruginosa</em> reached 99.3 ± 0.5 %, and the optimal anti-algal rate was 68.1 ± 0.5 %. Furthermore, 270-day real marine immersion experiments confirmed that the surface of the polymer coatings remained almost as clean as new, demonstrating excellent long-term antifouling performance. In conclusion, this series of acrylate polymers modified with long-chain alkyl groups is expected to serve as core binders for future antifouling coatings.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"212 ","pages":"Article 109896"},"PeriodicalIF":7.3,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145797777","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

Durable hierarchically porous polyurethane membrane for efficient passive daytime radiative cooling 耐用的分层多孔聚氨酯膜有效的被动日间辐射冷却

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-03-01 Epub Date: 2025-12-18 DOI: 10.1016/j.porgcoat.2025.109891

Yu He , Haosen Ma , Zhenyu Zhang , Xinxin Tian , Songchao Zhang , Guohong Tang , Shulin Zhao , Yuming Yang , Xiwen Zhang , Xiangdong Liu

{"title":"Durable hierarchically porous polyurethane membrane for efficient passive daytime radiative cooling","authors":"Yu He , Haosen Ma , Zhenyu Zhang , Xinxin Tian , Songchao Zhang , Guohong Tang , Shulin Zhao , Yuming Yang , Xiwen Zhang , Xiangdong Liu","doi":"10.1016/j.porgcoat.2025.109891","DOIUrl":"10.1016/j.porgcoat.2025.109891","url":null,"abstract":"<div><div>Passive daytime radiative cooling (PDRC) is an advanced thermal management strategy that achieves cooling by minimizing solar absorption while efficiently radiating heat into cold outer space, offering a promising solution for global thermal regulation. Inspired by the micron-scale porous networks widely distributed in white fungus, we fabricated a hierarchically porous polyurethane (PU) membrane with high porosity and low density via a non-solvent-induced phase separation (NIPS) process combined with solvent evaporation, using a pore-forming agent and incorporating hydrophobic silica nanoparticles. The resulting membrane exhibits a solar reflectance of 95.7 % and an emissivity of 94.5 % within the atmospheric window, delivering outstanding radiative cooling performance with a maximum temperature reduction of 5.95 °C under outdoor testing. Moreover, when integrated with textiles, the membrane forms hierarchically porous fabrics that maintain considerable reflectance after friction, acid–alkali and UV-resistance tests, while hydrophobic modification further endows the material with enhanced self-cleaning capability. This durable porous PU membrane holds great potential for applications in personal thermal management, energy-efficient buildings, and electronic device cooling.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"212 ","pages":"Article 109891"},"PeriodicalIF":7.3,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145797849","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

Bio-derived photocurable resin for water resistant coatings 用于防水涂料的生物衍生光固化树脂

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-03-01 Epub Date: 2025-12-13 DOI: 10.1016/j.porgcoat.2025.109882

Ching-Tai Kuo , Tsung-Yu Chuang , Ying-Chih Liao

{"title":"Bio-derived photocurable resin for water resistant coatings","authors":"Ching-Tai Kuo , Tsung-Yu Chuang , Ying-Chih Liao","doi":"10.1016/j.porgcoat.2025.109882","DOIUrl":"10.1016/j.porgcoat.2025.109882","url":null,"abstract":"<div><div>This study aims to develop a non-toxic and highly biocompatible photocurable bio-based water resistant coating system. Acrylated epoxidized soybean oil (AESO) was selected as the hydrophobic resin, and curcumin was employed as the photoinitiator (PI). The effects of different processing conditions and the addition of various co-initiators (glycerol and 1,6-hexanedithiol) on the crosslinking density and reaction efficiency of the cured films were investigated. The formulation and processing parameters of the coating system were systematically optimized. Kinetic analysis revealed that the system using thiol as the co-initiator exhibited a 66 % higher radical generation rate compared to the glycerol-based system, indicating a significantly improved photopolymerization efficiency. The optimized photoinitiator system (PIS) enabled complete crosslinking within 30 min, achieving a gel fraction exceeding 99 %. Thermogravimetric analysis showed that the T<sub>10%</sub> of the cured film reached 317.1 °C, with both the gel fraction and thermal stability comparable to those cured with commercial TPO. These results confirm the excellent photocuring performance of the bio-based PIS developed in this study. In addition, biocompatibility tests demonstrated a cell viability of 93 %, confirming the high compatibility of the developed film with biological systems. When applied to various substrates, the coating significantly improved surface hydrophobic stability, with the water contact angle decreasing by only 7–8 degrees within 16 min. Moreover, the water absorption rate was substantially reduced, indicating excellent waterproofing and ink resistance performance. In summary, this study successfully developed a highly reactive and low-toxicity bio-based photocurable water resistant coating system, offering an innovative and promising solution for the development of green water resistant materials.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"212 ","pages":"Article 109882"},"PeriodicalIF":7.3,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145797894","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 of a functional hydrophobic thin film with low tritium memory effect for high sensitivity ionization chamber 高灵敏度电离室用低氚记忆效应功能性疏水薄膜的设计

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-03-01 Epub Date: 2025-12-19 DOI: 10.1016/j.porgcoat.2025.109898

Hao-Wei Yang , Fan Yang , Lin-Sen Zhou , Wen Fang , Chen Zhao , Yi-Ying Zhao , Ci-Gang Xu , Chang-An Chen , Yan Shi

{"title":"Design of a functional hydrophobic thin film with low tritium memory effect for high sensitivity ionization chamber","authors":"Hao-Wei Yang , Fan Yang , Lin-Sen Zhou , Wen Fang , Chen Zhao , Yi-Ying Zhao , Ci-Gang Xu , Chang-An Chen , Yan Shi","doi":"10.1016/j.porgcoat.2025.109898","DOIUrl":"10.1016/j.porgcoat.2025.109898","url":null,"abstract":"<div><div>The tritium memory effect in ionization chambers, predominantly due to tritiated water (HTO) adsorption, significantly compromises measurement accuracy. This study proposed a hydrophobic silica-based thin film as an inexpensive wall-coating material to efficiently mitigate this issue, comparing its performance with that of conventional stainless steel and gold-plated substrates. Fabricated via plasma-enhanced chemical vapor deposition metho<u>d</u>, the plasma-polymerized hexamethyldisiloxane (pp-HMDSO) film was evaluated through water vapor adsorption, XPS, FTIR, theoretical simulation, and EIS fitting. Results demonstrated that pp-HMDSO sample exhibited markedly higher desorption ratio (90.91 % at 25 °C and 54.05 % at 60 °C). The enhanced performance was attributed to the low surface energy of silica-based films, which minimized water vapor adsorption and facilitated rapid desorption, thereby mitigating the tritium memory effect. Density functional theory calculations and molecular dynamic methods were utilized to explore the adsorption behaviors of water molecules on different substrates. The theoretical results demonstrated that pp-HMDSO and Au surface have much weaker interactions with water molecule in comparable with Fe surface, wherein pp-HMDSO exhibit lowest adsorption capacity and diffusion coefficient. This work indicates that the hydrophobic pp-HMDSO film can effectively suppress the surface adsorption of HTO, offering a viable solution to mitigate tritium memory effects in high-precision radiometric applications.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"212 ","pages":"Article 109898"},"PeriodicalIF":7.3,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145797892","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

Synergistic antibacterial and anti-adhesion effects of zinc-based eugenol-modified composite coatings for marine antifouling applications 海洋防污用锌基丁香酚改性复合涂料的协同抗菌和抗粘着作用

IF 7.3 2区材料科学

Progress in Organic Coatings Pub Date : 2026-03-01 Epub Date: 2025-12-10 DOI: 10.1016/j.porgcoat.2025.109872

Xinyue Liang , Xu Zhang , Fa-Qian Liu

{"title":"Synergistic antibacterial and anti-adhesion effects of zinc-based eugenol-modified composite coatings for marine antifouling applications","authors":"Xinyue Liang , Xu Zhang , Fa-Qian Liu","doi":"10.1016/j.porgcoat.2025.109872","DOIUrl":"10.1016/j.porgcoat.2025.109872","url":null,"abstract":"<div><div>Marine biofouling severely impedes the development of marine engineering, while existing coatings suffer from inadequate environmental compatibility and insufficient long-term efficacy. To address these limitations, this study reported the fabrication of eugenol-functionalized ZnO (ZnO@Eug) via a one-pot hydrothermal approach. Subsequently, ZnO@Eug was further modified with hexadecyl trimethyl ammonium bromide (CTAB) via electrostatic interactions to yield the ZnO@Eug@CTAB composite filler, which was then incorporated into a polydimethylsiloxane (PDMS) matrix to fabricate the ZnO@Eug@CTAB/PDMS (ZECP) composite coating. Benefiting from the synergistic effects of Zn<sup>2+</sup>, eugenol, and CTAB, the ZECP coating achieved 100 % antibacterial efficiency against <em>E. coli</em> after 24 h of co-cultivation with bacterial suspensions. Anti-algal and anti-marine organism experiments demonstrated that the ZECP coating effectively suppressed Chlorella colonization and prevented the attachment of conchs. Moreover, the ZECP coating displayed controlled Zn<sup>2+</sup> release behavior while maintaining a high water contact angle of 121° and low surface free energy of 20.2 mN·m<sup>−1</sup>, thereby contributing to its long-term antifouling performance. Based on the dual functions of active antibacterial and anti-marine organism adhesion, the ZECP coating can be applied in the field of environmentally friendly marine antifouling coatings.</div></div>","PeriodicalId":20834,"journal":{"name":"Progress in Organic Coatings","volume":"212 ","pages":"Article 109872"},"PeriodicalIF":7.3,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145748992","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