Nafij Bin Jamayet , Genevieve Kong Yuiin Sze , Koay Chun Giok , James Dudley , Umer Daood
{"title":"Peel bond strengths of maxillofacial prosthetic silicone adhesives following exposure to tropical weather","authors":"Nafij Bin Jamayet , Genevieve Kong Yuiin Sze , Koay Chun Giok , James Dudley , Umer Daood","doi":"10.1016/j.ijadhadh.2025.104095","DOIUrl":"10.1016/j.ijadhadh.2025.104095","url":null,"abstract":"<div><h3>Objectives</h3><div>The objective of this study was to compare the peel bond strength and modes of failure of maxillofacial prostheses (MFP) adhered to simulated human skin using regular adhesive and hydrobond adhesive following exposure to tropical outdoor weather.</div></div><div><h3>Methods</h3><div>Eighty MFP silicone specimens were constructed and adhered to simulated skin silicone using one of two maxillofacial prosthetic silicone adhesives (MFPSA): regular and hydrobond. For each adhesive, 20 samples were exposed to 4 h of tropical weather on five consecutive days (test group), and 20 samples were exposed to room temperature and dark room conditions for five consecutive days (control group). A T-peel test was conducted using a Universal Testing Machine and the samples were visually analyzed for mode of failure. Raman spectroscopic analysis was conducted with backscattering configuration.</div></div><div><h3>Results</h3><div>There were no significant differences in MFPSA peel bond strength between regular adhesive and hydrobond adhesives following five days of exposure to tropical weather. Within the tropical weather (test) group, hydrobond adhesive demonstrated similar peel bond strengths compared with the regular adhesive; p = 1.00 (Table 2). Within the room temperature and dark room conditions (control) group, hydrobond adhesive showed peel bond strengths significantly greater than the regular adhesive (p = 0.16). The mixed mode of failure involving both adhesive and cohesive failure was observed in 80 % of specimens.</div></div><div><h3>Conclusions</h3><div>The MFPSA peel bond strength was not affected by tropical weather conditions. Within the limitations of this in vitro study, the hydrobond adhesive demonstrated greater adhesive strength than the regular adhesive in room temperature and dark room conditions.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104095"},"PeriodicalIF":3.2,"publicationDate":"2025-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144513785","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tianyu Dong , Guoan Sheng , Ao Zhang , Zhirui Zhao , Xinyan Sun , Wenguang Zhou , Jianzhang Li
{"title":"Enhanced mechanical strength and water resistance of magnesium oxysulfate cement as wood adhesive","authors":"Tianyu Dong , Guoan Sheng , Ao Zhang , Zhirui Zhao , Xinyan Sun , Wenguang Zhou , Jianzhang Li","doi":"10.1016/j.ijadhadh.2025.104097","DOIUrl":"10.1016/j.ijadhadh.2025.104097","url":null,"abstract":"<div><div>Magnesium oxysulfate (MOS) cement used for wood adhesive has the advantages of room temperature curing, fire resistance, and non-toxicity, and has broad application prospects in the field of wood-based panels. However, the relatively low mechanical properties and water resistance of MOS cement are the main challenges restricting its practical application. This study used malonic acid and sodium dihydrogen phosphate as composite modifiers to protect magnesium ions through chelation, inhibit the formation of layered magnesium hydroxide, promote the formation of 517 phase crystals in MOS cement, and prepare MOS cement with high mechanical strength and water resistance, thereby improving the adhesive strength of plywood. Compared with unmodified MOS, the wet adhesive strength increased by 463 %. The performance of modified MOS cement adhesive has been significantly improved, with the advantages of fire resistance, flame retardancy, and no formaldehyde release. It has great potential for application in the fields of wood and construction.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104097"},"PeriodicalIF":3.2,"publicationDate":"2025-06-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144536078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Shiming Ye , Xiaoyu Zhu , Junhao Zeng , Di Zhang , Jianhua Liu , Aziz M. Muzafarov , Qingming Zeng , Jian Zhang
{"title":"Preparation of polyurethane-modified organosilicon adhesion promoter and application in silicone rubber","authors":"Shiming Ye , Xiaoyu Zhu , Junhao Zeng , Di Zhang , Jianhua Liu , Aziz M. Muzafarov , Qingming Zeng , Jian Zhang","doi":"10.1016/j.ijadhadh.2025.104092","DOIUrl":"10.1016/j.ijadhadh.2025.104092","url":null,"abstract":"<div><div>The direct adhesion on substrate surface without any wiping after removing the protective film is a huge challenge. A novel polyurethane-modified organosilicon (PU-Si) material has been successfully prepared. For the first time, the room temperature vulcanized silicone rubber (RTV) using PU-Si as adhesion promoter achieved the “instant adhesion upon film removal (IAFR)” function on PMMA with residual pressure-sensitive adhesive on the surface. Additionally, RTV with PU-Si also exhibits excellent adhesive performance on glass, PET, anodized aluminum and stainless steel. This research provides a new theoretical and practical foundation for the development of novel adhesives.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104092"},"PeriodicalIF":3.2,"publicationDate":"2025-06-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144563670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Modified TiO2-latex coatings on geopolymer supports from fly ash and locally calcined clay: Adhesion and photocatalytic properties","authors":"Chakkresit Chindawong , Pagasukon Mekrattanachai , Kedsarin Pimraksa , Naruemon Setthaya","doi":"10.1016/j.ijadhadh.2025.104093","DOIUrl":"10.1016/j.ijadhadh.2025.104093","url":null,"abstract":"<div><div>The development of geopolymer-based functional materials with photocatalytic properties is a promising approach for environmental applications. This study prepared geopolymers using fly ash and locally calcined clay to promote sustainable material utilization. A modified TiO<sub>2</sub>-latex slurry was applied as a coating to enhance the surface properties of the geopolymer, with the focus on adhesion performance and photocatalytic efficiency. The coating method was chosen based on its potential to improve photocatalytic activity by allowing TiO<sub>2</sub> particles to receive more light. Latex binders exhibit weak adhesion to geopolymer surfaces; therefore, tetraethyl orthosilicate (TEOS) was added to improve the bonding between the contact layers. TEOS significantly enhanced film adhesion, resulting in a more stable TiO<sub>2</sub>-latex coating. The coated films demonstrated high photocatalytic performance in degrading methylene blue solution under UV light. These results highlight the potential of TiO<sub>2</sub>-latex/geopolymer composites as environmentally friendly, high-performance materials for photocatalytic applications, including air and water treatment, as well as self-cleaning surface coatings in sustainable construction.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104093"},"PeriodicalIF":3.2,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144480520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of laser surface treatment on fracture behavior of CFRP/AL adhesive joints: An experimental investigation","authors":"Amir Kariman Moghadam , Saeed Rahnama","doi":"10.1016/j.ijadhadh.2025.104090","DOIUrl":"10.1016/j.ijadhadh.2025.104090","url":null,"abstract":"<div><div>This research investigates the effect of laser surface treatment in comparison to the sanding method on the mode I fracture toughness of Al/CFRP adhesive bonding, utilizing double cantilever beam (DCB) specimens. Furthermore, the study explores the effects of nominal laser powers, scanning speeds, and hatch distances on the average roughness, morphology, and composition of the Al and CFRP surface. Analysis of scanning electron microscope (SEM) images revealed the elimination of resin and no damage to fibers. The energy dispersive spectroscopy (EDS) analysis showed a reduction in O and Si elements and an increase in C element with laser energy densities of 0.21 J/mm and 0.25 J/mm at 100 μm and 50 μm hatch distances, respectively, on the surface of CFRP. This resulted in improvement in fracture energy. Laser surface treatment of Al surface increased O element and resulted in oxidation in comparison to the sanding method and untreated surfaces, which resulted in improved adhesion of the adhesive and Al. Finally, the mode I test results indicated increased fracture energy of up to 13.55 % in favor of the laser surface treatment method through fibers tearing at CFRP fracture surface and fibers bridging.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104090"},"PeriodicalIF":3.2,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144489768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Alvin Muhammad Savero , Sukma Surya Kusumah , Muhammad Adly Rahandi Lubis , Jajang Sutiawan , Eko Setio Wibowo , Adi Santoso , Irma Thya Rani , Imam Wahyudi , Nam-Hun Kim , Zhongyuan Zhao , Kenji Umemura , Antonio Pizzi
{"title":"Naturally occurring organic acid-based adhesives for manufacturing high-performance wood composites - A review","authors":"Alvin Muhammad Savero , Sukma Surya Kusumah , Muhammad Adly Rahandi Lubis , Jajang Sutiawan , Eko Setio Wibowo , Adi Santoso , Irma Thya Rani , Imam Wahyudi , Nam-Hun Kim , Zhongyuan Zhao , Kenji Umemura , Antonio Pizzi","doi":"10.1016/j.ijadhadh.2025.104091","DOIUrl":"10.1016/j.ijadhadh.2025.104091","url":null,"abstract":"<div><div>Organic acid-based adhesives have emerged as a promising sustainable alternative to traditional synthetic adhesives, such as urea-formaldehyde, phenol-formaldehyde, and polymeric diphenylmethane diisocyanate in the wood composite industry. Derived from renewable sources like plants, animals, and microbes, these adhesives offer the excellent environmental benefit such as biodegradability and non-toxicity. This review provides a comprehensive overview of various organic acid-based adhesives, including citric acid, tannic acid, maleic acid, lactic acid, succinic acid, glutaric acid, <em>para-Toluenesulfonic</em> acid, itaconic acid, and fumaric acid. It discusses their chemical characteristics, bonding mechanisms, and performance in applications such as plywood, particleboard, and fiberboard. The paper also explores advancements in characterization and development, as well as challenges such as water resistance, bond strength, cost, and scalability. Potential applications in sustainable industries, along with future research directions, are highlighted. The integration of organic acid-based adhesives into industries focused on sustainability and the circular economy demonstrates their growing importance. Despite current limitations, ongoing research and innovation suggest a promising future for these adhesives in achieving high-performance, eco-friendly bonding solutions across various sectors.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104091"},"PeriodicalIF":3.2,"publicationDate":"2025-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144480521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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 two-step full laser surface treatment to improve the adhesive bonding of aluminium-aluminium joints","authors":"Davide Morello , Claudio Leone , Giuseppe Lamanna , Genna Silvio","doi":"10.1016/j.ijadhadh.2025.104089","DOIUrl":"10.1016/j.ijadhadh.2025.104089","url":null,"abstract":"<div><div>To improve the adhesion between Aluminium-Aluminium joints, a two-step laser surface treatment was developed and tested, adopting a 30W pulsed Yb:YAG nanosecond laser source. The process consists of a first phase, called laser texturing, where a deep texture is obtained on the adherents by adopting high pulse energy and several repetitions, followed by a further laser treatment, called laser cleaning, carried out with lower energy content, and applied over the overall adhesion surface. To characterise the treatment process, the effects of technological parameters on texturing geometry were first investigated to select the proper texture; then, textures with different selected geometries were carried out and adopted to produce single-lap joints according to the ASTM D1002-10 Standard. An epoxy system adhesive was adopted for the joining. Furthermore, samples with only one-step treatment (i.e. only laser texturing or laser cleaning), standard treatment (sandpaper), and acetone cleaning were fabricated and adopted as reference samples. Analysis of variance was applied to study the effect of the process parameters, and digital image analysis was adopted to evaluate the percentage of adhesive/cohesive failure. From the results, compared to the only textured reference samples, the two-step laser treatment increases the apparent shear stress regardless of the adopted texture geometry. Moreover, it was found that only laser cleaning treatment can significantly improve joint strength compared to the untreated sample.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104089"},"PeriodicalIF":3.2,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144366102","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Vedant Joshi , Kamal Kumar , Abhay Kumar Verma , Rajaram Bal , Umesh Kumar , T. Senthilkumar
{"title":"Modification of lower viscosity grade bitumen into higher viscosity grade bitumen via glycerol and maleic anhydride-based polyester","authors":"Vedant Joshi , Kamal Kumar , Abhay Kumar Verma , Rajaram Bal , Umesh Kumar , T. Senthilkumar","doi":"10.1016/j.ijadhadh.2025.104087","DOIUrl":"10.1016/j.ijadhadh.2025.104087","url":null,"abstract":"<div><div>In this study, a synthetic polyester is utilized to upgrade low-viscosity grade bitumen into higher-viscosity grades. A polycondensation of maleic anhydride (M) and glycerol (G) monomers was conducted under optimized temperature, varied time, and molar ratios, resulting in the synthesis of 16 different polyesters.One of the polyester M3G1H5 (M: maleic anhydride, G: glycerol, and H: time) was identified as the most effective polyester for bitumen modification due to its optimal viscoelastic properties. This specific formulation resulted in three polyester-modified bitumens blended with base bitumen (VG10) in 6–15 wt% concentrations. The modified bitumens, rigorously tested as per ASTM standards, significantly improve softening point, viscosity, and ductility. Remarkably, two formulations met the VG30 and VG40 specifications as per IS 73:2013, aside from the absolute viscosity requirement at 60 °C. Their superior rutting and deformation resistance was confirmed by rheological analysis, indicating polyesters' role in boosting performance. Furthermore, the synthesized modified bitumen was subjected to short-term aging using a rolling thin film oven test (RTFOT), revealing that the polymer was uniformly distributed in the bitumen medium and retained the viscoelastic properties of the bitumen. The suitability of different bitumen variants across varying environmental and traffic conditions was evaluated using the Multi-Criteria Decision Analysis (MCDA), and it was concluded that polyester-modified bitumens are suitable for various climatic conditions and traffic situations.These findings highlight the pivotal role of the synthesized polyester in elevating lower-grade bitumen to high-performance grades suitable for modern construction demands, thereby indicating a promising avenue for bitumen modification.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104087"},"PeriodicalIF":3.2,"publicationDate":"2025-06-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144364959","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Heterojunction bilayer stainless steel/polyamide 66 composites bonded by epoxy resins containing various curing agents","authors":"Seung-In Song , Hayeong Lee , Keon-Soo Jang","doi":"10.1016/j.ijadhadh.2025.104086","DOIUrl":"10.1016/j.ijadhadh.2025.104086","url":null,"abstract":"<div><div>The development of lightweight, high-performance materials is critical for advancing engineering applications, particularly in aerospace, automotive, and construction sectors. Metal–polymer composites, such as stainless steel (SUS) and polyamide 66 (PA66) composites, have gained interest due to their unique combination of strength, corrosion resistance, and design flexibility. However, achieving strong adhesion between SUS and PA66 remains challenging due to their differing chemical and physical properties. This study investigates the effects of various curing agents on the adhesion performance and mechanical strength of epoxy-bonded SUS/PA66 heterojunction bilayer composites. Surface treatments and epoxy adhesives with amine, acid, and anhydride curing agents were used to enhance interfacial compatibility. Thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), Fourier transform infrared (FTIR) spectroscopy, and scanning electron microscopy (SEM) characterized the thermal stability, chemical interactions, and morphology of the cured resins. Results showed that acid-based curing agents provided the highest lap shear strength and strongest adhesion with SUS, while anhydride-based agents, despite yielding high tensile strengths, exhibited limited bonding performance with SUS. The findings underscore the superior compatibility of amine- and acid-based curing agents with SUS/PA66 composites, while highlighting the need for further optimization of anhydride-based adhesives for these applications. This research provides insight into optimal curing strategies to improve the structural integrity of metal-polymer composites in advanced engineering applications.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104086"},"PeriodicalIF":3.2,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144364958","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Muhammad Tahir Khan , Tanzil Ur Rehman , Luqman Ali Shah , Hyeongmin Yoo
{"title":"Development of acrylic acid–agar-based adhesive hydrogel: Influence of tannic acid concentration on adhesion performance","authors":"Muhammad Tahir Khan , Tanzil Ur Rehman , Luqman Ali Shah , Hyeongmin Yoo","doi":"10.1016/j.ijadhadh.2025.104088","DOIUrl":"10.1016/j.ijadhadh.2025.104088","url":null,"abstract":"<div><div>The present study aimed to develop a mechanically enhanced and biocompatible adhesive hydrogel utilizing acrylic acid and agar. N, N-methylene bisacrylamide (MBA) and tannic acid (TA) were employed as chemical and physical crosslinkers, respectively. The structural and chemical characteristics of the hydrogel were confirmed through scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy, verifying its successful Synthesis via free radical polymerization. Rheological analyses, including frequency sweep, amplitude sweep, and creep recovery tests, were conducted to assess the viscoelastic and adhesive properties of the hydrogel. The findings revealed that specific polymeric chain interaction governed the adhesive behavior of the hydrogel. Furthermore, varying concentrations of tannic acid were investigated to determine their influence on adhesive performance, with results indicating that increasing TA concentration significantly enhanced adhesive properties. The adhesion strength followed the order: 36.8 > 21.06 > 13.04 > 7.75 > 4.31 kPa for TA ranging from 0.025 to 0 g, respectively. The synthesized hydrogel demonstrate superior approach, cost-effectiveness, high efficiency, and biodegradable nature which highlights their potential as an advanced adhesive material for future applications.</div></div>","PeriodicalId":13732,"journal":{"name":"International Journal of Adhesion and Adhesives","volume":"142 ","pages":"Article 104088"},"PeriodicalIF":3.2,"publicationDate":"2025-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144312675","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}