Journal of Polymer Science最新文献

{"title":"Use of Aliphatic Polymeric Polyvinyl Amine as an Aqueous Phase Reactant During Interfacial Polymerization for Fabricating Efficient Organic Solvent Nanofiltration Membrane for Molecular Sieving","authors":"Hilal Ahmad,&nbsp;Abdul Waheed,&nbsp;Isam H. Aljundi","doi":"10.1002/pol.20240961","DOIUrl":"https://doi.org/10.1002/pol.20240961","url":null,"abstract":"<div>\u0000 \u0000 <p>The potential of polymeric amines in fabricating organic solvent nanofiltration (OSN) membranes has largely been unexplored. In this study, we employed polyvinyl amine (PVAm) as an aqueous monomer, cross-linked with trimesoyl chloride (TMC) as an organic phase monomer, to fabricate a polyamide (PA) active layer on polyacrylonitrile (PAN) support. A set of nine membranes was prepared for optimizing the membrane structure by varying the PVAm concentration and duration of IP. It was found that increasing the PVAm concentration or IP duration resulted in increasing the rejection and lowering the permeance of the membranes. This was due to decreasing molecular weight cutoffs (MWCOs) of the membranes. Among different membranes, M2a was found to be best optimized with an MWCO of around 350 Da and demonstrated superior rejection capabilities, exceeding 99% for congo red (CR) and eriochrome black T (EBT), while 93% and 90% for methyl orange (MO) and methylene blue (MB), respectively. Among the polar solvents, methanol achieved the highest permeance of 3.8 L m⁻² h⁻¹ bar⁻¹, while <i>n</i>-hexane, a nonpolar solvent, showed a permeance of 4.2 L m⁻² h⁻¹ bar⁻¹. This study highlights the potential of polymeric amines, varying their concentrations and duration of IP in developing efficient OSN membranes.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1835-1847"},"PeriodicalIF":3.9,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835842","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrospun Polyurethane Blends Exhibiting Shape Memory and Self-Healing Properties","authors":"Wenbin Kuang,&nbsp;Brian Schwartz,&nbsp;Patrick T. Mather","doi":"10.1002/pol.20241143","DOIUrl":"https://doi.org/10.1002/pol.20241143","url":null,"abstract":"<p>The ability of shape memory polymeric materials to repair physical damage and restore original functionality is of great significance in self-healing technologies, offering a broad application. In this study, we present a novel approach: electrospun shape memory-assisted self-healing (SMASH) polymer blends, which build upon prior research utilizing latent crosslinkable polyurethane (x-PU). By homogeneously blending x-PU with linear polyurethane (l-PU) and electrospinning the solution, we produced a family of blends with varying compositions. These blends were characterized through thermal, mechanical, and microstructural analyses, and their self-healing capabilities were evaluated using a series of damage types. Among the compositions, the 80:20 (w/w x-PU:l-PU) blend demonstrated superior healing performance, achieving an average healing efficiency (η) of 92.2% for puncture damage. The introduction of structural anisotropy during electrospinning further enhanced the healing efficiency, particularly for fibers oriented perpendicular to the damage direction. These findings underscore the importance of compositional tuning and structural optimization in enhancing SMASH performance. This work highlights a scalable and versatile platform for self-healing materials, with promising implications for extending the lifespan and functionality of polymeric systems in practical applications.</p>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1848-1862"},"PeriodicalIF":3.9,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/pol.20241143","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835843","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Investigation of Effects of Modified Montmorillonite-Doped Electrospun Nanofibers on Drug Delivery Systems","authors":"Ş. Melda Eskitoros-Togay","doi":"10.1002/pol.20241018","DOIUrl":"https://doi.org/10.1002/pol.20241018","url":null,"abstract":"<p>This study aims to develop a novel drug delivery system composed of nanofiber membranes fabricated by polycaprolactone (PCL)/polyvinylpyrrolidone (PVP) loaded with pristine montmorillonite (Mt), 3-aminopropyl triethoxysilane (APTES)-modified montmorillonite, and 3-glycidyloxypropyl trimethoxysilane (GPTMS)-modified montmorillonite for the targeted delivery of tetracycline hydrochloride (TCH). Comprehensive analyses were undertaken to evaluate both the chemical composition and structural characteristics of Mt. The results indicated effective interaction between two silane agents and pristine Mt, dispersing into the polymer matrix. Morphological analysis revealed the formation of bead-free and random electrospun nanofibers. Among the fibrous membranes loaded with APTES-modified Mt (AMt) and GPTMS-modified Mt (GMt), AMt-loaded nanofibers exhibited the highest encapsulation efficiency at 96.7% and thermal stability. Furthermore, a slower drug release profile was observed in the initial 2 h from the AMt-loaded nanofiber membrane. The release kinetics across all drug delivery systems adhered to Fickian diffusion, as indicated by the <i>n</i> values. The research revealed substantial zones of inhibition surrounding membranes incorporating drug-clay composite nanofibers. In vitro cytotoxicity study displayed no toxic effect on the L929 cells of the electrospun PCL/PVP/TCH-AMt membrane. Therefore, the electrospun PCL/PVP/TCH-AMt membrane shows considerable potential as a versatile drug delivery system for various pharmaceutical applications.</p>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1808-1823"},"PeriodicalIF":3.9,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/pol.20241018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Electrodeposited Carboxymethyl Cellulose-Based Green Preparation of Nanosilver With Adjustable Sizes and Nanocomposite Films Through Controlling Electrodeposition Conditions","authors":"Haipeng Zhang,&nbsp;Yanzhi Li,&nbsp;Yuqing Luo,&nbsp;Yuan Ma,&nbsp;Yi Lu,&nbsp;Hangyi Zhou,&nbsp;Yifeng Wang,&nbsp;Yanjun Chen","doi":"10.1002/pol.20241075","DOIUrl":"https://doi.org/10.1002/pol.20241075","url":null,"abstract":"<div>\u0000 \u0000 <p>Electrodeposition of polysaccharides offers an attractive strategy for fabricating nanoparticles and their nanocomposite films on electrodes to develop bioelectronic devices and functional materials. Herein, a controllable approach for the green preparation of nanosilver (nAg) with variable sizes and nanocomposite films is developed based on the coordinated electrodeposition of carboxymethyl cellulose (CMC). In addition to serving as the electrodeposited polysaccharide, CMC can function as the reducing agent and stabilizer for preparing nAg. After the electrodeposition, the uniform and smooth nanocomposite films (nAg/CMC nanocomposite films) have been deposited on the anodic electrode. Spectral analysis and transmission electron microscopy confirm the presence of nAg in the nanocomposite films. Especially, the preparation of nAg with adjustable particle sizes (ranging from 2.03 to 13.62 nm) can be achieved through the straightforward and convenient control of electrodeposition conditions (voltage, temperature). Moreover, the nanocomposite films can be endowed with unique fluorescent properties since silver nanoclusters (Ag NCs) with a relatively small size can be controllably prepared. The nAg/CMC nanocomposite film-modified electrodes show the potential for electrochemical detection and that the nanocomposite film containing the small-sized Ag NCs exhibits a relatively good detection sensitivity. Thus, this study provides a novel, facile, controllable, and eco-friendly electrodeposition strategy that can be promisingly applied to prepare nanoparticles and their functional nanocomposites with specific particle sizes and special properties.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1824-1834"},"PeriodicalIF":3.9,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836214","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Polyaniline/Cellulose Nanocrystals/Carbon Dot Composite for Supercapacitor Application","authors":"Jasmine Jose,&nbsp;Jishad A. Salam,&nbsp;R. Jayakrishnan,&nbsp;Vinoy Thomas","doi":"10.1002/pol.20250016","DOIUrl":"https://doi.org/10.1002/pol.20250016","url":null,"abstract":"<div>\u0000 \u0000 <p>Cellulose nanocrystals (CNC), a sustainable nanomaterial, exhibit great promise as a template for fabricating supercapacitor electrodes. This study investigates the use of CNC as a precursor for synthesizing carbon dots (CD) and as a template for the in situ polymerization of polyaniline (PANI). The combined potential of CNC, PANI, and CD in developing supercapacitor electrodes is being explored. The PANI-CNC-CD nanocomposite electrode demonstrates a gravimetric specific capacitance of 488 F g⁻¹ at 2 A g⁻¹, outperforming the PANI-CNC nanocomposite. Furthermore, a symmetric supercapacitor utilizing the PANI-CNC-CD composite as the working electrode is achieving impressive results, including a gravimetric specific capacitance of 101 F g⁻¹ at 2 A g⁻¹, an energy density of 14 Wh kg⁻¹, and a capacitance retention of 82% even after 10,000 cycles. This study presents an effective strategy for developing cost-efficient and easily prepared nanocellulose-based composite electrodes, advancing their demand for supercapacitor applications while aligning with the United Nations Sustainable Development Goals by promoting the use of renewable materials.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1796-1807"},"PeriodicalIF":3.9,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835965","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Semi-Interpenetrating Network Hydrogel Based on TA@MXene and Hydrogen Bonding Synergy for Pressure Sensing and Handwriting Recognition","authors":"Jinlong Li,&nbsp;Qiuping Wu,&nbsp;Pengyan Zhuang,&nbsp;Junjing Ma,&nbsp;Tingwei Pang,&nbsp;Haiwang Huang,&nbsp;Jianping Sun","doi":"10.1002/pol.20241225","DOIUrl":"https://doi.org/10.1002/pol.20241225","url":null,"abstract":"<div>\u0000 \u0000 <p>To meet the diverse demands of smart electronic devices in contemporary convenience-driven settings, the development of multifunctional sensors is crucial. However, producing reliable multifunctional sensors remains a significant challenge, limiting their widespread adoption across various application domains. In this study, a novel multifunctional hydrogel is synthesized by incorporating antioxidant-functionalized TA@MXene into a polyacrylamide/carboxymethyl cellulose semi-interpenetrating network via hydrogen bonding synergy. The hydrogel exhibits remarkable properties, including outstanding stretchability (1377%), high toughness (60% compression), and strong adhesion (9.64 kPa). Additionally, it fulfills the stringent requirements for wearable sensors by demonstrating excellent antifreeze performance (−20°C), a broad sensing range (0%–600%), and stability over 500 cycles. The hydrogel also shows superior performance in monitoring human motion and facial expressions, alongside exceptional pressure sensing capabilities, accurately detecting weights from 5 to 200 g with a pressure sensitivity of up to 5.4 kPa⁻¹. Its durability is validated through 100-cycle tests. The hydrogel is well-suited for diverse applications, such as controlling light bulb functionality and handwriting recognition, achieving a recognition accuracy of 93% when paired with deep learning models. These results highlight the hydrogel's significant potential for applications in wearable electronics and smart devices.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1783-1795"},"PeriodicalIF":3.9,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143835964","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Regulation of the Properties of Nafion and PVDF Nanofibrous Membranes by Designing Fiber Structures","authors":"Shufeng Li,&nbsp;Xinyao Cheng,&nbsp;Ru Luo,&nbsp;Ruxin Gu","doi":"10.1002/pol.20241156","DOIUrl":"https://doi.org/10.1002/pol.20241156","url":null,"abstract":"<div>\u0000 \u0000 <p>Nafion and polyvinylidene fluoride (PVDF) nanofibrous membranes have received more attention due to their high performances as proton exchange membranes, catalyst supports, and binders in fuel cells. In this paper, regulations of the properties of Nafion and PVDF nanofibrous membranes by designing fiber structures are investigated. Three Nafion and PVDF nanofibrous membranes with an ~50% PVDF content, the blended Nafion/PVDF (N/P) and two core-shell PVDF-Nafion and PVDF-N/P with PVDF as the core, and Nafion, a mixture of Nafion and PVDF respectively as the shell, are fabricated by single-needle or coaxial electrospinning, then hot-pressed, annealed, and acidized. XRD spectrums manifest that PVDF and Nafion mutually promote the crystallization, and annealing further improves the crystallinity. Compared with Nafion 117 membranes, three nanofibrous membranes show greater mechanical properties and lower water uptake, swelling, and conductivity. PVDF-Nafion and PVDF-N/P reveal greater stress and conductivity than N/P. PVDF-Nafion and PVDF-N/P increase the broken stress to about 50 MPa, almost five times Nafion and three times N/P. PVDF-Nafion shows the highest conductivity of 0.0493 S/cm, 27% lower than Nafion, exhibiting a potential application prospect. The experimental results are significant for cost-effectively optimizing the performances of Nafion and PVDF nanofibrous membranes on a large scale.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1774-1782"},"PeriodicalIF":3.9,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836135","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A Useful Tool to Recycle Mixed Plastics Blends","authors":"Sibele P. Cestari,&nbsp;Rafael V. dos Santos,&nbsp;Daniela F. S. Freitas,&nbsp;Rafael H. Cestari,&nbsp;Marcos L. Dias,&nbsp;Luis C. Mendes","doi":"10.1002/pol.20240928","DOIUrl":"https://doi.org/10.1002/pol.20240928","url":null,"abstract":"<div>\u0000 \u0000 <p>In the pursuit of more sustainable practices within the circular economy, the estimation of polymer contents in mixed plastic blends is essential. This study presents a simple method for determining the polypropylene (PP) and polyethylene (PE) content in heterogeneous mixtures of recycled plastic. A calibration curve was developed using differential scanning calorimetry data, allowing for rough estimations of PP and PE ratios. Seven recycled PE/PP blends were analyzed, and cross-contamination of polymers was observed. Linear and quadratic fits of the enthalpy of fusion and degree of crystallinity were applied to estimate polymer contents. The quadratic fit of the degree of crystallinity provided the most accurate estimation, with standard deviations of 1.4% for PE and 3.7% for PP. This method offers a simple and accessible tool for small-scale recyclers to improve the efficiency of plastic recycling, filling a gap left by more complex scientific studies on polyolefins.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1757-1759"},"PeriodicalIF":3.9,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Embedding Mo2O2S2-Bis(thiosemicarbazone) Complexes Into Polyurethane Matrices: Synthesis and Characterization","authors":"Diana Cebotari,&nbsp;Roa AlChamandi,&nbsp;Yann Molard,&nbsp;Maria Amela-Cortes,&nbsp;Carine Livage,&nbsp;Mohamed Haouas,&nbsp;Jérôme Marrot,&nbsp;Aurelian Gulea,&nbsp;Cyril Gorny,&nbsp;Bruno Fayolle,&nbsp;Sergiu Calancea,&nbsp;Sébastien Floquet","doi":"10.1002/pol.20240556","DOIUrl":"https://doi.org/10.1002/pol.20240556","url":null,"abstract":"<div>\u0000 \u0000 <p>[Mo^V\u0000 ₂O₂S₂]²⁺-based thiosemicarbazone complexes are an interesting family of molecules, which can display various biological properties. However, in order to develop applications, it is necessary to shape this type of complex, in polymer matrices for example. In this article, we report the synthesis of a series of 16 composite materials corresponding to the incorporation of [(Mo₂O₂S₂)_{\u0000 <i>n</i>\u0000}(L^1–6)_{\u0000 <i>n</i>\u0000}] (<i>n</i> = 1, 2) bis-thiosemicarbazones complexes in a polyurethane matrix. These composites are described as [Mo^V\u0000 ₂O₂S₂]²⁺–thiosemicarbazone-based polyurethanes and denoted PU-[(Mo₂O₂S₂)_{\u0000 <i>n</i>\u0000}(L^1–6)_{\u0000 <i>n</i>\u0000}] (<i>n</i> = 1, 2). Various [(Mo₂O₂S₂)_{\u0000 <i>n</i>\u0000}(L^1–6)_{\u0000 <i>n</i>\u0000}]–bis-thiosemicarbazone complexes were used including di- or tetranuclear structures with different numbers of uncoordinated amino and hydroxyl groups and alkyl substituents on the ligands L^{\u0000 <i>i</i>\u0000} (<i>i</i> = 1–6). The composite materials obtained are studied in depth by SEM–EDX, FT-IR, NMR, TGA, and DSC to understand the organization of polymer chains and complexes within the materials and to highlight certain changes in physical properties induced by the nature of the complexes. The complexes are homogeneously distributed within the polymer matrices and the embedding of these complexes seems to be mainly due to hydrogen bonding networks. Nevertheless, these H-bond networks are strong enough to provoke modification of the physical properties of the polymers in terms of thermal stability or flexibility.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 8","pages":"1760-1773"},"PeriodicalIF":3.9,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143836134","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Design and Preparation of a High Mechanical Strength Recyclable Polyurethane Adhesive Based on Dynamic Disulfide Bonds","authors":"Jian Xi,&nbsp;Niangui Wang,&nbsp;Lanhua Wei","doi":"10.1002/pol.20241146","DOIUrl":"https://doi.org/10.1002/pol.20241146","url":null,"abstract":"<div>\u0000 \u0000 <p>To overcome the major limitations of poor mechanical properties of traditional polyurethane adhesives and improve their low reuse efficiency, a series of thermoplastic polyurethane adhesives, named 2SPU, were obtained by combining polyester polyols: poly-1,4-butanediol adipate (PBA), self-made soybean oil-based polyols (MESO), and toluene diisocyanate (TDI), and incorporating dynamic disulfide bonds to introduce thermal cycling function. Properties analysis shows that when the synthesized polyurethane adhesive contain 5% 2,2′-dithiodianiline (2-AFD), it exhibits great mechanical strength and good self-healing ability (compared to the adhesive without disulfide bonds, its shear strength increases from 43.38 to 118.08 MPa and its initial repair efficiency could increase from 24.4% to 96.6%). SEM clearly shows the self-healing process. These polyurethane adhesives based on S<span></span>S chain exchange reaction has great application potential as a dressing for promoting the recycling of high bonding strength adhesives.</p>\u0000 </div>","PeriodicalId":16888,"journal":{"name":"Journal of Polymer Science","volume":"63 7","pages":"1739-1747"},"PeriodicalIF":3.9,"publicationDate":"2025-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143761872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}