Journal of Applied Polymer Science最新文献_第10页

Improved Processability of High Char Bismaleimide Networks From Acetylene Functional Comonomer Blends 改进了由乙炔功能共聚物共混物制备的高碳双马来酰亚胺网络的加工性

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-14 Epub Date: 2026-02-09 DOI: 10.1002/app.70506

David C. Walker, Faheem H. Muhammed, Jeffery S. Wiggins

{"title":"Improved Processability of High Char Bismaleimide Networks From Acetylene Functional Comonomer Blends","authors":"David C. Walker, Faheem H. Muhammed, Jeffery S. Wiggins","doi":"10.1002/app.70506","DOIUrl":"https://doi.org/10.1002/app.70506","url":null,"abstract":"<div>\u0000 \u0000 <p>The present study demonstrates the solventless synthesis of an Acetylene-Functionalized Bismaleimide (A-BMI) and systematically incorporates a Meta Comonomer and Para Comonomer isomer to create a Meta and Para Comonomer series of monomer blends, respectively, to evaluate the role of comonomer positional isomerism on the rheological profile and decomposition behavior of A-BMI. The incorporation of the comonomers was confirmed via Nuclear Magnetic Resonance Spectroscopy. Through Differential Scanning Calorimetry and Near IR, it was shown that both comonomers increased the polymerization temperature (from 176°C to <i>T</i><sub><i>p</i></sub> > 220°C) and cure enthalpy (from 177.9 J/g to <i>H</i><sub><i>p</i></sub> > 465 J/g) of A-BMI. Within the comonomer blends, it was shown that the Para substituted comonomer granted lower polymerization temperatures (~6°C lower than the meta isomers), while the Meta isomer afforded higher consumption of reactive species during polymerization. Through rheological characterization, it was confirmed that the minimum viscosity of the comonomer blends was lower than A-BMI. Further, this reduced viscosity was a function of comonomer concentration, where higher concentrations led to lower viscosities and higher polymerization temperatures, reflecting tunable processibility and an increased applicability towards resin transfer molding based composite fabrication methodologies. Moreover, the Meta Comonomer created higher reductions in the initial and minimum viscosity. Thermogravimetric analysis indicated that both series of blends exhibited similar char yields (< 3% difference) despite the 12% higher decomposition rate of the Meta Comonomer blends. The net effect of these findings extends the understanding of bismaleimide molecular design and comonomer blending as it relates to processibility and thermal performance.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 16","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564323","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}

引用次数: 0

Experimental and Numerical Investigation of Mechanical and Modal Behavior of Hybrid Fiber Metal Laminates for Aerospace Applications 航空航天用混合纤维金属层合板力学与模态性能的实验与数值研究

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-14 Epub Date: 2026-02-13 DOI: 10.1002/app.70510

Sheelesh Kumar Patel, Dhaneshwar Prasad Sahu, Ramyaranjan Das, Rajesh Kumar Bhushan

{"title":"Experimental and Numerical Investigation of Mechanical and Modal Behavior of Hybrid Fiber Metal Laminates for Aerospace Applications","authors":"Sheelesh Kumar Patel, Dhaneshwar Prasad Sahu, Ramyaranjan Das, Rajesh Kumar Bhushan","doi":"10.1002/app.70510","DOIUrl":"https://doi.org/10.1002/app.70510","url":null,"abstract":"<div>\u0000 \u0000 <p>This study examines the tensile, axial compression (buckling), flexural, and modal behavior of three aerospace-grade fiber metal laminates (FMLs): GLARE, CARALL, and a newly developed hybrid laminate (C-GLARE). All laminates were fabricated using a wet lay-up process, and their mechanical performance was evaluated following standard testing procedures. Modal characteristics were obtained under cantilever and simply supported boundary conditions, and the results were validated through finite element simulations. The hybrid C-GLARE laminate exhibited improved damping capacity and flexural strength compared to CARALL, particularly in the 0° fiber orientation. Among the laminates, GLARE showed the highest damping ratio, followed by C-GLARE and CARALL. The lower lateral tensile performance of carbon/epoxy, as observed in CARALL, was consistent with the experimental findings. Simply supported specimens demonstrated higher natural frequencies due to increased boundary restraint. Overall, the C-GLARE laminate displayed superior combined mechanical and dynamic performance, indicating its potential suitability for aerospace structural applications, especially in upper fuselage components requiring enhanced strength and vibration damping.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 16","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147565653","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}

引用次数: 0

Sustainable Biodegradable Biocomposites Reinforced With Natural Fibers: A Review on Processing, Properties, and Degradation 可持续生物可降解天然纤维增强生物复合材料：工艺、性能和降解研究进展

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-14 Epub Date: 2026-02-16 DOI: 10.1002/app.70536

Mayky André Olivos-Ramírez, Pablo González-Morones, Pamela Celeste Flores-Silva, Israel Sifuentes-Nieves, Zureima García-Hernández, Yucundo Mendoza-Tolentino, José Francisco Hernández-Gámez, Ernesto Hernández-Hernández

{"title":"Sustainable Biodegradable Biocomposites Reinforced With Natural Fibers: A Review on Processing, Properties, and Degradation","authors":"Mayky André Olivos-Ramírez, Pablo González-Morones, Pamela Celeste Flores-Silva, Israel Sifuentes-Nieves, Zureima García-Hernández, Yucundo Mendoza-Tolentino, José Francisco Hernández-Gámez, Ernesto Hernández-Hernández","doi":"10.1002/app.70536","DOIUrl":"https://doi.org/10.1002/app.70536","url":null,"abstract":"<p>The growing use of synthetic polymers has generated great amounts of plastic waste and microplastics, which harm the environment. As a sustainable alternative, this review addresses the development of sustainable biodegradable biocomposites reinforced with natural fibers (SBBC-NFs), considering key aspects such as: (i) formulation; component selection, (ii) processing; critical variables, (iii) mechanical properties; performance evaluation, (iv) biodegradation process; validation of techniques, (v) environmental impact; circular economy and life cycle assessment (LCA). Finally, we discuss current trends, limitations, and challenges to provide a comprehensive understanding of SBBC-NFs. Nevertheless, limited information on their biodegradation rates and durability has generated uncertainty about their industrial feasibility. Despite this, research shows that these materials maintain or improve their mechanical performance, reduce costs, and lower carbon footprint while degrading in the natural environment. This review critically examines biodegradation conditions and reveals a significant misalignment with standardized testing. Key aspects are examined, including processing methods, polymer matrices, fiber properties, and compatibilizing agents, as well as the influence of fiber concentration and modification on mechanical performance. Finally, this review presents the SBBC-NFs as a promising alternative and emphasizes the need to integrate LCA to support their development, identifying strategic opportunities for future research.</p>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 16","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.70536","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147566206","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}

引用次数: 0

The Mechanical Behavior of Dual TPU/Nylon 3D Printed Parts 双TPU/尼龙3D打印部件的力学行为

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-14 Epub Date: 2026-02-02 DOI: 10.1002/app.70504

Liam O'Connor

{"title":"The Mechanical Behavior of Dual TPU/Nylon 3D Printed Parts","authors":"Liam O'Connor","doi":"10.1002/app.70504","DOIUrl":"https://doi.org/10.1002/app.70504","url":null,"abstract":"<p>This study examines how material arrangement and infill geometry affect the mechanical performance of dual-material fused-filament fabrication (FFF) parts made from thermoplastic polyurethane (TPU) and polyamide (Nylon). The goal was to identify printing strategies that balance strength, stiffness, and ductility for engineering applications. Specimens were printed in three configurations—Nylon-outer with TPU core, alternating TPU–Nylon layers, and TPU-outer with Nylon core—each using line, grid, and triangular infills. Tensile and flexural tests were conducted. Material arrangement was the dominant factor influencing performance. The Nylon-outer structure achieved the highest tensile (~13.4 MPa) and flexural (~74 MPa) strengths but showed low elongation (~12%–27%). The TPU-outer design improved ductility (up to ~34%) but reduced strength, while alternating TPU–Nylon layers provided a balanced response, combining high strength with ~30% elongation. Infill geometry further affected properties: line infill aligned with the load path enhanced both strength and ductility, whereas grid and triangular infills reduced performance. Nylon outer structures suit stiffness-critical components, TPU outer designs are ideal for flexible or damping parts, and alternating layers offer the best strength–ductility compromise. These insights clarify how dual-material FFF parameters can be tuned to meet specific mechanical requirements in engineered components.</p>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 16","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/app.70504","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147562143","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}

引用次数: 0

pH-Responsive PDMS-AA-UA-SiO2@MS Sponge With Switchable Wettability for Efficient and Recyclable Oil-Water Separation ph响应PDMS-AA-UA-SiO2@MS海绵具有可切换的润湿性，高效和可回收的油水分离

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 Epub Date: 2026-02-09 DOI: 10.1002/app.70454

Xinmei Yan, Junjie He, Ying Yang, Hao Jiang, Haipeng Zou, Zichen Zhang, Guanghao Chen, Yan Jiang, Hongwen Zhang

{"title":"pH-Responsive PDMS-AA-UA-SiO2@MS Sponge With Switchable Wettability for Efficient and Recyclable Oil-Water Separation","authors":"Xinmei Yan, Junjie He, Ying Yang, Hao Jiang, Haipeng Zou, Zichen Zhang, Guanghao Chen, Yan Jiang, Hongwen Zhang","doi":"10.1002/app.70454","DOIUrl":"https://doi.org/10.1002/app.70454","url":null,"abstract":"<div>\u0000 \u0000 <p>Oily wastewater poses significant threats to environmental ecosystems and human health, and the inherent complexity of oil–water mixtures underscores the urgent need for advanced, intelligent separation materials. In this study, we report the development of a pH-responsive sponge with reversible wettability switching, designed for efficient and adaptive oil–water separation. Acrylic acid-terminated polydimethylsiloxane (PDMS-AA) was synthesized via sodium ethoxide-initiated ring-opening polymerization of octamethylcyclotetrasiloxane (D<sub>4</sub>), followed by end-capping with acrylic acid. Subsequently, a bifunctional copolymer (PDMS-AA-UA) was prepared through free-radical copolymerization of PDMS-AA and 10-undecenoic acid (UA), which was then grafted onto hydrophilic SiO<sub>2</sub> nanoparticles to form a micro-/nano-structured composite coating. The resulting sponge exhibits reversible, pH-driven wettability transitions. Under acidic (pH 1) and neutral (pH 7) conditions, the surface displays superhydrophobicity with a water contact angle (WCA) of approximately 160°, enabling selective oil absorption. Upon exposure to alkaline conditions (pH 14), deprotonation of carboxyl groups renders the surface hydrophilic, facilitating rapid release of absorbed oil and demonstrating controllable desorption behavior. This switchable wettability enables on-demand separation of various oil–water mixtures.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 15","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147564322","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}

引用次数: 0

Fabrication of Polysulfone Membranes via Non-Solvent Induced Phase Separation Using a Lignin-Derived Hydrophobic Deep Eutectic Solvent 木质素衍生疏水深共晶溶剂非溶剂诱导相分离制备聚砜膜

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 Epub Date: 2026-01-27 DOI: 10.1002/app.70463

Odianosen I. Ewah, Jake C. Childress, Virginia K. Love, Yuxuan Zhang, Jian Shi, Isabel C. Escobar

{"title":"Fabrication of Polysulfone Membranes via Non-Solvent Induced Phase Separation Using a Lignin-Derived Hydrophobic Deep Eutectic Solvent","authors":"Odianosen I. Ewah, Jake C. Childress, Virginia K. Love, Yuxuan Zhang, Jian Shi, Isabel C. Escobar","doi":"10.1002/app.70463","DOIUrl":"https://doi.org/10.1002/app.70463","url":null,"abstract":"<div>\u0000 \u0000 <p>Deep eutectic solvents (DES) are emerging as promising and sustainable alternatives to traditional solvents in various industrial processes. They offer distinct advantages, including low toxicity, biodegradability, cost-effectiveness, and the ability to be tailored to specific applications. This study investigated the fabrication of polysulfone (PSf) membranes using a lignin-derived hydrophobic DES composed of thymol and 2,6-dimethoxyphenol (Thy:Dmp) in a 1:1 M ratio via non-solvent induced phase separation (NIPS). The Thy:Dmp DES exhibited a viscosity of 34.9 ± 0.26 mPa·s at 25°C. Hansen solubility parameter (HSP) calculations confirmed thermodynamic compatibility between PSf and the DES (RED = 0.6), while cloud point measurements established the ternary phase behavior for the PSf/Thy:Dmp/ethanol system. Fourier Transform Infrared spectroscopy (FTIR) confirmed complete solvent removal and polymer structure preservation after membrane formation. The resulting membranes exhibited asymmetric morphology with finger-like macrovoids and 81.2% ± 1.80% porosity. Contact angle measurements indicated moderately hydrophilic membrane surfaces (64.0° ± 1.20°). Membrane performance evaluation displayed water permeability of 58.3 LMH/bar and bovine serum albumin (BSA, 66.5 kDa) rejection of 94.4%. These results demonstrate that lignin-derived hydrophobic DES can serve as a functional alternative to conventional solvents for polysulfone membrane fabrication.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 15","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147569820","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}

引用次数: 0

Cover Image, Volume 143, Issue 15 封面图片，第143卷，第15期

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 DOI: 10.1002/app.70648

Takahiro Funatsu, Hiroaki Takanohashi, Syuji Fujii

引用次数: 0

Fully Bio-Based Dynamic Polyester Networks With Intrinsic Reprocessability, Self-Healing, and Mechanical Durability 具有内在可再加工性、自愈性和机械耐久性的全生物动态聚酯网络

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 Epub Date: 2026-01-23 DOI: 10.1002/app.70456

Jyoti, Priti Singh

{"title":"Fully Bio-Based Dynamic Polyester Networks With Intrinsic Reprocessability, Self-Healing, and Mechanical Durability","authors":"Jyoti, Priti Singh","doi":"10.1002/app.70456","DOIUrl":"https://doi.org/10.1002/app.70456","url":null,"abstract":"<div>\u0000 \u0000 <p>Fully bio-based dynamic polyester covalent adaptable networks were synthesized through catalyst-free transesterification of carbohydrate-derived monomers, enabling a sustainable and repairable polymer platform. FTIR and swelling analyses confirm clean network formation and solvent-resistant cross-linking, while DMTA and DSC establish that the materials are amorphous with well-defined thermal transitions and composition-dependent cross-link densities. The materials retain adequate ≥ 93% elongation and ≥ 97% tensile strength after reprocessing. The networks exhibit characteristic viscoelasticity, temperature-responsive stress relaxation, and moderate activation energies associated with β-hydroxy ester exchange. Mechanical testing demonstrates excellent resilience, with reprocessed and healed samples retaining nearly all their original tensile and thermomechanical properties. Thermogravimetric analysis confirms that the networks remain thermally stable well above the service temperature. The materials can be repeatedly reshaped, welded into seamless interfaces, autonomously healed after damage, and consistently support significant mechanical loads, underscoring their structural integrity. Collectively, these results highlight the potential of DPC-n polyesters as recyclable, reprocessable, and self-healing materials designed to meet the demands of durable and sustainable polymer applications.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 15","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147568626","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}

引用次数: 0

Effect of Cross-Linker Structure on Thermal and Mechanical Properties of Poly(Methyl Methacrylate) Networks 交联剂结构对聚甲基丙烯酸甲酯网络热性能和力学性能的影响

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 Epub Date: 2026-02-13 DOI: 10.1002/app.70448

Yu Wu, Jiji Tan, Shuhan Chen, Zhaohui Zheng, Jinni Deng, Yi Pan, Xiaobin Ding

{"title":"Effect of Cross-Linker Structure on Thermal and Mechanical Properties of Poly(Methyl Methacrylate) Networks","authors":"Yu Wu, Jiji Tan, Shuhan Chen, Zhaohui Zheng, Jinni Deng, Yi Pan, Xiaobin Ding","doi":"10.1002/app.70448","DOIUrl":"https://doi.org/10.1002/app.70448","url":null,"abstract":"<div>\u0000 \u0000 <p>To investigate the impact of cross-linker chemical structure on the thermal and mechanical properties of PMMA, this study designed and synthesized three alkynyl-terminated cross-linkers with distinct structural features: rigid and symmetrical tetra-alkyne pentaerythritol (TPOM), flexible di-alkyne dodecanediol (BD), and tetra-alkyne dodecyldiamine (TDM) featuring both a polar tertiary amine and a flexible chain. These cross-linkers were reacted with azide-terminated four-arm poly(methylmethacrylate) macromonomer ((PMMA-N<sub>3</sub>)<sub>4</sub>) via azide-alkyne click chemistry to obtain three PMMA polymer networks with different structures. The resulting cross-linked polymers were thoroughly characterized using <sup>1</sup>H NMR, FT-IR, TGA, DSC, and DMA. The results indicate that the rigidity, flexibility, and polarity of the cross-linkers significantly influence the microstructure of the polymer networks, consequently leading to notable differences in thermal stability, glass transition temperature (<i>T</i><sub>g</sub>), mechanical strength, modulus, elongation at break, and toughness. Specifically, CC-PMMA-TPOM exhibited the highest <i>T</i><sub>g</sub> and storage modulus due to the strong rigidity and compact structure of its cross-linking points. CC-PMMA-TDM demonstrated the highest tensile strength and Young's modulus, attributed to the physical cross-linking introduced by the tertiary amine groups. Conversely, CC-PMMA-BD achieved a favorable balance between strength and toughness. This work provides molecular-level insights for designing cross-linked PMMA with tailored properties for advanced applications.</p>\u0000 </div>","PeriodicalId":183,"journal":{"name":"Journal of Applied Polymer Science","volume":"143 15","pages":""},"PeriodicalIF":2.8,"publicationDate":"2026-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147565652","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}

引用次数: 0

Combined Foaming and Surface Structuring of Polymers With Supercritical Carbon Dioxide (scCO2) Applying an Incomplete Saturation Strategy 应用不完全饱和策略的超临界二氧化碳（scCO2）聚合物复合发泡和表面结构

IF 2.8 3区化学

Journal of Applied Polymer Science Pub Date : 2026-03-07 Epub Date: 2026-01-24 DOI: 10.1002/app.70446

Luisa Maren Borgmann, Ester Priante, Siegbert Johnsen, Marc Schneider, Markus Guttmann, Benedikt Bläsi, Gabriele Wiegand, Hendrik Hölscher

引用次数: 0