Advanced Industrial and Engineering Polymer Research最新文献_第2页

Asymmetric multilayer-porous structure of MXene nanocomposites with absorption-dominated high electromagnetic interference shielding performance 非对称多层多孔结构的MXene纳米复合材料具有吸收为主的高电磁干扰屏蔽性能

IF 12 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-10-01 DOI: 10.1016/j.aiepr.2025.07.003

Guirong Hu , Lingfeng Cui , Yuzhu Xiong , Jiao-Jing Shao

There are limited reports on multilayer MXene-based electromagnetic interference shielding (EMI) nanocomposites featuring low-reflectivity characteristics with MXene nanocomposite films serving as electromagnetic wave reflection layers. In this study, the first combination of asymmetric porous structures with sequence-dependent gradient loss mechanisms, a MXene/cellulose nanofiber (MC) nanocomposite film was used as the electromagnetic wave reflecting layer, while Nickel-plated multi-walled carbon nanotube/iron tetroxide-loaded reduced graphene oxide/cellulose nanofiber/waterborne polyurethane (Ni@MCNT/Fe₃O₄@rGO/CNF/WPU(NFCW)) porous nanocomposites served as the absorbing layer. Four types of NFCW&MC asymmetric multilayer-porous nanocomposites were prepared with varying assembly orders through a layer-by-layer self-assembly method. Benefiting from the asymmetric multilayer-porous structure design, all four NFCW&MC asymmetric multilayer-porous nanocomposites exhibited absorption-dominated (A over R) EMI shielding mechanisms. The loss processes of electromagnetic waves in the nanocomposites were simulated using finite element analysis. Notably, different assembly orders resulted in distinct loss mechanisms, affecting the values of A and R for the nanocomposites. In particular, the asymmetric multilayer-porous nanocomposite with the optimal assembly order demonstrated an EMI shielding effectiveness of 57.4 dB and an A value of 0.807. Therefore, the findings of this study provide valuable insights for the development of absorption-dominated MXene nanocomposites.

利用多层MXene纳米复合材料薄膜作为电磁波反射层，具有低反射率特性的电磁干扰屏蔽（EMI）纳米复合材料的报道有限。本研究首次结合了具有序列依赖梯度损耗机制的不对称多孔结构，采用MXene/纤维素纳米纤维（MC）纳米复合膜作为电磁波反射层，镀镍多壁碳纳米管/四氧化二铁负载还原氧化石墨烯/纤维素纳米纤维/水性聚氨酯（Ni@MCNT/Fe3O4@rGO/CNF/WPU(NFCW)）多孔纳米复合材料作为吸波层。采用逐层自组装方法制备了4种不同组装顺序的NFCW&；MC非对称多层多孔纳米复合材料。得益于非对称多层多孔结构设计，四种非对称多层多孔纳米复合材料均表现出以吸收为主（A / R）的电磁干扰屏蔽机制。采用有限元方法模拟了电磁波在纳米复合材料中的损耗过程。值得注意的是，不同的组装顺序会导致不同的损失机制，从而影响纳米复合材料的A和R值。特别是，具有最佳组装顺序的非对称多层多孔纳米复合材料的EMI屏蔽效能为57.4 dB， A值为0.807。因此，本研究结果为吸附型MXene纳米复合材料的发展提供了有价值的见解。

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引用次数: 0

Industrial-grade carbon fiber reinforced epoxy vitrimer composites: Reprocessing, repairing and recycling 工业级碳纤维增强环氧树脂复合材料：再加工、修复和回收

IF 12 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-10-01 DOI: 10.1016/j.aiepr.2025.07.005

Mei Fang , Xiang Liu , Jinchuan Chen , Yuezhan Feng , Ming Huang , Chuntai Liu , Changyu Shen

Carbon fiber reinforced thermoset composites (CFRP) have demonstrated significant potential for industrial applications. However, their permanent cross-linked networks pose challenges for reprocessing, repairing, and recycling. The advent of vitrimers, featuring dynamic cross-linked networks, offers a promising solution to these limitations. Herein, industrial-scale production of carbon fiber (CF) reinforced vitrimer composite was achieved using a prepreg process with a matrix of polyether sulfone (PES)-modified epoxy vitrimer (V-PES). The CF/V-PES composite exhibits suitable thermal and mechanical properties, including a glass transition temperature (T_g) of 86.2 °C and a storage modulus of 16 GPa. The dynamic transesterification reaction of vitrimer matrix imparts dynamic properties to CF/V-PES composite, enabling significant stress relaxation and creep behavior at temperatures above 200 °C, with a relaxation activation energy (E_τ) of 65.43 kJ/mol. These dynamic properties facilitate macroscopic shape memory behavior, reprocessing, and repair of interlayer cracks. The process conditions pressure, temperature, and time were optimized through orthogonal experiments. Furthermore, leveraging the dynamic transesterification reaction with ethylene glycol (EG), the V-PES matrix can be rapidly degraded in EG solution at 180 °C, enabling closed-loop recycling of CF/V-PES composites. These exceptional capabilities in reprocessing, repairing, and recycling underscore the tremendous potential of CF/V-PES composite for advanced engineering applications.

碳纤维增强热固性复合材料（CFRP）已显示出巨大的工业应用潜力。然而，它们的永久交联网络对后处理、修复和回收提出了挑战。具有动态交联网络特征的玻璃体的出现，为这些限制提供了一个有希望的解决方案。本文采用聚醚砜（PES）改性环氧玻璃体（V-PES）为基体的预浸工艺，实现了碳纤维（CF）增强玻璃体复合材料的工业规模生产。CF/V-PES复合材料具有良好的热性能和力学性能，包括玻璃化转变温度（Tg）为86.2℃，存储模量为16 GPa。在200℃以上的温度下，CF/V-PES复合材料具有明显的应力松弛和蠕变行为，弛豫活化能（Eτ）为65.43 kJ/mol。这些动态特性有利于宏观形状记忆行为、再加工和层间裂纹的修复。通过正交试验对工艺条件、压力、温度、时间进行优化。此外，利用与乙二醇（EG）的动态酯交换反应，V-PES基质可以在180°C的EG溶液中快速降解，从而实现CF/V-PES复合材料的闭环回收。CF/V-PES复合材料在后处理、修复和回收方面的卓越能力凸显了其在先进工程应用方面的巨大潜力。

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引用次数: 0

Re-evaluating bioplastic blend wastes through mechanical recycling and chemical modification 通过机械回收和化学改性对生物塑料混合废料进行再评价

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.03.001

Sanaz Soleymani Eil Bakhtiari , Islam Shyha , Dongyang Sun , Mohammadreza Nofar , Reza Salehiyan

The escalating environmental challenges posed by conventional plastics have amplified the importance of biodegradable polymers as sustainable alternatives. However, addressing their recyclability and reprocessing is critical to enhancing their environmental and economic viability. This review delves into the multiple reprocessing of biodegradable polymer blends, focusing on mechanical recycling's effects on their structure, properties, and performance. Unlike single polymers, blends offer tailored properties by combining the strengths of individual components, making them more suitable for diverse applications. However, their complex morphologies and phase interactions demand unique strategies for effective recycling.

Key findings highlight that polymer blends, such as PLA/PHB and PLA/PBAT, exhibit greater resilience to repeated processing compared to their pure counterparts, owing to enhanced intermolecular interactions and progressive crystallinity. Compatibilizers, including chain extenders like Joncryl®, play a pivotal role in mitigating degradation by improving phase adhesion and maintaining mechanical and thermal properties. Rheological analyses reveal the critical interplay between phase morphology and processing conditions, emphasizing the importance of tailoring blend compositions and additives for optimal recyclability.

This review sets itself apart by providing the first comprehensive examination of the effects of multiple mechanical reprocessing cycles specifically on biodegradable polymer blends, filling a significant gap in the literature. By addressing current challenges, it offers a roadmap for advancing biodegradable materials toward a circular economy.

传统塑料带来的不断升级的环境挑战放大了可生物降解聚合物作为可持续替代品的重要性。然而，解决它们的可回收性和再加工问题对于提高它们的环境和经济可行性至关重要。本文综述了生物可降解聚合物共混物的多重再处理，重点介绍了机械回收对其结构、性能和性能的影响。与单一聚合物不同，共混物通过结合单个组分的优势提供定制的性能，使其更适合各种应用。然而，它们复杂的形态和相相互作用需要独特的策略来有效地回收。主要研究结果强调，聚合物共混物，如PLA/PHB和PLA/PBAT，由于增强的分子间相互作用和渐进结晶度，与纯聚合物相比，对重复加工表现出更大的弹性。增容剂，包括像Joncryl®这样的扩链剂，通过改善相粘合和保持机械和热性能，在减轻降解方面发挥着关键作用。流变分析揭示了相形态和加工条件之间的关键相互作用，强调了定制混合成分和添加剂的重要性，以获得最佳的可回收性。这篇综述通过首次全面研究多种机械后处理循环对生物可降解聚合物混合物的影响而使自己与众不同，填补了文献中的重大空白。通过解决当前的挑战，它为推动生物可降解材料向循环经济发展提供了路线图。

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引用次数: 0

Advances in lead-free flexible piezoelectric materials for energy and evolving applications 能源用无铅柔性压电材料及其应用进展

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.04.001

Jacem Zidani , Latifa Tajounte , Abdellah Benzaouak , Noureddine Touach , Adam Duong , Moneim Zannen , Abdelilah Lahmar

The review highlights the advancements in flexible lead-free piezoelectric materials, emphasizing their potential for energy harvesting and sustainable energy. Although normal piezoelectric materials such as lead zirconate titanate (PZT) have great efficiency, their lead content causes environmental issues. This research focuses on replacement materials like biodegradable polymers and bismuth sodium titanate (BNT), which not only show interesting piezoelectric capabilities but also have advantages in terms of flexibility and biocompatibility. In order to increase piezoelectric performance while maintaining flexibility, it is advised to include inorganic fillers into polymer matrices, therefore qualifying these materials for usage in biomedical and wearable electronics applications. The evaluation also covers the issues resulting from the great usage of these resources, including e-waste and the need of sustainable solutions. The general message of the research underlines the need of developing new piezoelectric materials able to effectively gather mechanical energy from different sources, therefore promoting self-sustaining systems and reducing reliance on traditional power sources. The review also underlines how lead-free piezoelectric materials can boost power density and chemical oxygen demand (COD) removal rates in microbial fuel cells (MFCs), therefore promoting sustainable energy solutions that turn organic waste into bioelectricity.

这篇综述强调了柔性无铅压电材料的进展，强调了它们在能量收集和可持续能源方面的潜力。虽然普通压电材料如锆钛酸铅（PZT）具有很高的效率，但其含铅量造成了环境问题。本研究的重点是生物可降解聚合物和钛酸铋钠（BNT）等替代材料，它们不仅具有有趣的压电性能，而且在柔韧性和生物相容性方面具有优势。为了在保持柔性的同时提高压电性能，建议在聚合物基体中加入无机填料，从而使这些材料适用于生物医学和可穿戴电子应用。评估还涵盖了大量使用这些资源所产生的问题，包括电子废物和可持续解决方案的需要。这项研究的总体信息强调了开发新型压电材料的必要性，这种材料能够有效地从不同的来源收集机械能，从而促进自我维持系统，减少对传统能源的依赖。该综述还强调了无铅压电材料如何提高微生物燃料电池（mfc）的功率密度和化学氧需求（COD）去除率，从而促进将有机废物转化为生物电的可持续能源解决方案。

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引用次数: 0

Recent advancement in MXene-based nanomaterials for flame retardant polymers and composites 用于阻燃聚合物和复合材料的mxene基纳米材料的最新进展

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.03.002

Yakubu Adekunle Alli , Abayomi Bamisaye , Onome Ejeromedoghene , Olusegun Oluwaseun Jimoh , Samuel Oluwadadepo Oni , Gerald Chekwube Ezeamii , Chukwurimazu Ozoemezim , Adeniyi Sunday Ogunlaja , Suraya Abdul Rashid , Baljinder K. Kandola

This review explores the advancements in MXene-based nanomaterials as flame-retardant additives for polymers and composites, driven by increasing fire safety demands across industries. It highlights the critical role of flame-retardant materials in mitigating fire hazards in structures, electronics, transportation, and textiles, emphasizing the need for innovative solutions due to stricter safety regulations. MXenes, a class of two-dimensional nanomaterials with unique structural properties such as high surface area, tunable composition, and superior thermal stability, are presented as promising candidates. The review discusses various synthesis and incorporation techniques for MXenes in polymer matrices, showcasing improvements in flame retardancy, mechanical properties, and thermal stability. Additionally, it emphasizes the multifunctionality of MXenes, which offer conductivity, electromagnetic shielding, and mechanical reinforcement alongside flame suppression. In conclusion, the review underscores MXenes' potential to address challenges in flame-retardant materials, advocating for further research to optimize their applications and explore synergies with other agents to enhance safety and sustainability in engineering materials.

这篇综述探讨了基于mxene的纳米材料作为聚合物和复合材料阻燃添加剂的进展，这是由各行各业日益增长的消防安全需求所驱动的。它强调了阻燃材料在减轻结构、电子、运输和纺织品中的火灾危险方面的关键作用，强调了由于更严格的安全法规，需要创新的解决方案。MXenes是一类二维纳米材料，具有独特的结构特性，如高表面积、可调成分和优越的热稳定性，被认为是有前途的候选者。综述了MXenes在聚合物基体中的各种合成和掺入技术，展示了其在阻燃性、机械性能和热稳定性方面的改进。此外，它强调了MXenes的多功能性，它提供导电性，电磁屏蔽和机械加固以及火焰抑制。总之，该综述强调了MXenes在解决阻燃材料挑战方面的潜力，提倡进一步研究以优化其应用，并探索与其他剂的协同作用，以提高工程材料的安全性和可持续性。

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引用次数: 0

Rapid prediction of poly(butylene adipate-co-terephthalate)/poly(glycolic acid) (PBAT/PGA) agricultural films based on UV-accelerated aging tests with applicability to the environment 基于环境适应性紫外加速老化试验的聚己二酸丁二酯/聚乙二醇酸（PBAT/PGA）农用薄膜的快速预测

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.06.002

Zihan Jia , Minglong Li , Bo Wang , Dongsheng Li , Peng Guo , Mingfu Lyu , Zhiyong Wei , Lin Sang

Biodegradable plastic mulches (BPMs) possess great possibility as alternative materials for traditional non-degradable agricultural films. However, research on the degradation behaviors of biodegradable films remains relatively nascent, which is a crucial determinant in applications. Ultraviolet accelerated aging method offers an effective approach to simulate the outdoor or field degradation in a shortened period. In this research, poly(butylene adipate-co-terephthalate)/poly(glycolic acid) (PBAT/PGA) films were prepared and subjected to UV-accelerated degradation (UAD) and natural environmental degradation (NED). The variation of performance parameters including haze, transmittance, tensile strength, elongation at break and melting temperature were monitored at varying degradation intervals. Due to the UV-accelerated aging experimental conditions were well matched with natural environmental factors, the data derived from UAD and NED were highly correlated, indicating the feasibility of predicting film properties based on the UAD test. Random forest algorithm displayed superior stability and high accuracy in constructing degradation prediction model, achieving R² of 0.984 and 0.979 for training and test sets, respectively. Equations derived from this model demonstrated the mapping between NED days and UAD days, which facilitated a rapid evaluation of film out-door performance by indoor UV-accelerated aging tests. Machine learning provides a novel and efficient approach for constructing degradation prediction models, which can enhance the adoption of biodegradable films and thus contribute to addressing the plastic pollution problems in agriculture.

生物降解地膜作为传统农用不可降解地膜的替代材料具有很大的可能性。然而，对生物可降解薄膜的降解行为的研究仍处于起步阶段，这是决定其应用的关键因素。紫外加速老化方法为模拟材料在室外或田间较短时间内的老化提供了有效的方法。本研究制备了聚己二酸丁二酯/聚乙二醇酸（PBAT/PGA）薄膜，并对其进行了紫外加速降解（UAD）和自然环境降解（NED）。在不同的降解间隔下，监测了雾度、透光率、抗拉强度、断裂伸长率和熔化温度等性能参数的变化。由于uv加速老化实验条件与自然环境因素匹配较好，UAD和NED得到的数据高度相关，说明基于UAD试验预测薄膜性能的可行性。随机森林算法在构建退化预测模型时表现出较好的稳定性和较高的准确性，在训练集和测试集上的R2分别达到0.984和0.979。由该模型导出的方程显示了NED天数与UAD天数之间的映射关系，从而便于通过室内uv加速老化试验快速评估薄膜的室外性能。机器学习为构建降解预测模型提供了一种新颖有效的方法，可以提高生物降解膜的采用，从而有助于解决农业中的塑料污染问题。

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引用次数: 0

Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) biodegradation by a novel thermophilic Actinomadura sp. SCN-SB with microbial upcycling potential 聚（3-羟基丁酸酯-co-3-羟戊酸酯）在具有微生物升级循环潜力的新型嗜热性放线菌SCN-SB的生物降解

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.05.002

Natthaphat Phothong , Siritouch Bhamarasuta , Shiho Morikane , Hiroya Tomita , Kohsuke Honda , Suchada Chanprateep Napathorn

Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV) is a biodegradable and biocompatible biopolymer with promising applications in food packaging and biomedical fields. However, its degradation under uncontrolled composting conditions remains relatively slow. To address this limitation, this study aimed to isolate and characterize thermophilic bacteria capable of producing extracellular hydrolytic enzymes involved in PHBV degradation. A total of 131 bacterial strains were isolated from soil samples, among which isolate 93 showed the highest PHBV-degrading activity on agar plates. Based on 16S rRNA gene sequencing, isolate 93 shared 98.19 % similarity with Actinomadura adrarensis ACD12. Whole-genome analysis revealed closer relatedness to A. vinacea JCM 3325, with digital DNA–DNA hybridization (dDDH) and average nucleotide identity (ANIb) values of 25.40 % and 80.07 %, respectively, suggesting that isolate 93 is a novel species, designated Actinomadura sp. SCN-SB. Gene annotation confirmed the presence of extracellular short-chain-length PHA (scl-PHA) depolymerase genes. Functional assays demonstrated a maximum clear zone of 28.0 ± 2.9 mm on PHBV agar plates at 50 °C and a 50.4 ± 4.7 % weight loss of PHBV films in submerged cultivation. Higher degradation rates were observed in YP medium compared to MSM, regardless of the C/N ratio. The crude scl-PHA depolymerase, purified via 80 % ammonium sulfate precipitation, exhibited optimal activity (0.27 ± 0.01 U/mL) at pH 9.0 and 50 °C. These findings identify Actinomadura sp. SCN-SB as a novel thermophilic bacterium with significant potential for enzymatic PHBV degradation, biological recycling, and upcycling in high-temperature composting and landfill conditions.

聚（3-羟基丁酸酯-co-3-羟基戊酸酯）（PHBV）是一种可生物降解和生物相容性好的生物聚合物，在食品包装和生物医学领域具有广阔的应用前景。然而，在不受控制的堆肥条件下，其降解仍然相对缓慢。为了解决这一限制，本研究旨在分离和表征能够产生参与PHBV降解的细胞外水解酶的嗜热细菌。从土壤样品中分离到131株细菌，其中93株在琼脂平板上对phbv的降解活性最高。基于16S rRNA基因测序，分离株93与adrarensis ACD12的相似性为98.19%。全基因组分析结果显示，该菌株与a . vinacea JCM 3325亲缘关系较近，dDDH和ANIb值分别为25.40%和80.07%，表明该菌株为新种，命名为Actinomadura sp. SCN-SB。基因注释证实了细胞外短链长度PHA （scll -PHA）解聚合酶基因的存在。功能分析表明，在50°C时，PHBV琼脂板上的最大透明区为28.0±2.9 mm， PHBV膜在潜水培养中重量减轻50.4±4.7%。无论C/N比如何，YP培养基中的降解率都高于MSM。经80%硫酸铵沉淀纯化的粗酶在pH 9.0和50℃条件下的活性为0.27±0.01 U/mL。这些发现表明，Actinomadura sp. SCN-SB是一种新型的嗜热细菌，在高温堆肥和垃圾填埋场条件下具有酶降解PHBV、生物回收和升级再利用的巨大潜力。

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引用次数: 0

Mechanically strong, stretchable and self-healable silicone elastomers with designed dynamic networks for exceptional self-adhesion under harsh conditions 机械强度强，可拉伸和自修复的有机硅弹性体，设计动态网络，在恶劣条件下具有卓越的自粘附性

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.05.003

Shuai-Chi Liu , Yu-Tong Li , Yu-Qing Qin , Ling Yang , Meng-Ying Liu , Ji Liu , Yang Li , Cheng-Fei Cao , Li-Xiu Gong , Shi-Neng Li , Guo-Dong Zhang , Long-Cheng Tang

Silicone elastomers with wide-temperature stability and excellent mechanical flexibility have attracted considerable interest in both academic and industrial fields. However, the highly cross-linked networks cannot self-heal and usually show poor adhesion to other substrates, limiting their sustainable applications in emerging fields. Developing self-adhesive organosilicon elastomers with high mechanical strength, superior stretchability, and exceptional self-healing performance remains a significant challenge. Herein, we propose a facile method to synthesize self-adhesive organosilicon elastomers with high mechanical strength, flexibility, and self-healing performance by designing dynamic networks. Specifically, multiple reversible physical and chemical bonds, such as disulfide bonds, hydrogen bonds, and Zn²⁺ coordination bonds, are integrated into the organosilicon chains via click reactions, carboxylic acid-amine condensation, and ionic coordination. The optimized organosilicon elastomers exhibit exceptional stretchability and mechanical properties, including an elongation at break of ∼5600 %, high strength (2.2 MPa), and toughness (54.38 MJ/m³), outperforming traditional organosilicon elastomers. Additionally, the as-prepared elastomers demonstrate remarkable self-healing ability, with 80–93 % healing efficiency at 25–60 ^oC, and excellent self-adhesion to various substrates (0.3–1.0 MPa on aluminum, steel, and wood). These properties are maintained under harsh conditions, including low temperature (−10 ^oC), saltwater, and organic solvents. Clearly, the organosilicon elastomers developed in this work hold significant potential as green and sustainable candidates for various self-adhesive applications.

硅酮弹性体具有宽温稳定性和优异的机械柔韧性，引起了学术界和工业界的广泛关注。然而，高度交联的网络不能自愈，通常与其他基材的附着力较差，限制了它们在新兴领域的可持续应用。开发具有高机械强度、优异拉伸性和优异自愈性能的自粘有机硅弹性体仍然是一个重大挑战。在此，我们提出了一种简单的方法，通过设计动态网络来合成具有高机械强度，柔韧性和自愈性能的自粘有机硅弹性体。具体来说，通过点击反应、羧酸-胺缩合和离子配位，有机硅链中集成了多种可逆的物理化学键，如二硫键、氢键和Zn2+配位键。优化后的有机硅弹性体具有优异的拉伸性和机械性能，包括断裂伸长率为~ 5600%，高强度（2.2 MPa）和韧性（54.38 MJ/m3），优于传统的有机硅弹性体。此外，制备的弹性体表现出显著的自修复能力，在25-60℃下具有80 - 93%的愈合效率，并且对各种基材（铝，钢和木材上的0.3-1.0 MPa）具有良好的自粘附性。这些性能在恶劣的条件下也能保持，包括低温（- 10℃）、盐水和有机溶剂。显然，在这项工作中开发的有机硅弹性体作为各种自粘应用的绿色和可持续候选材料具有巨大的潜力。

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引用次数: 0

Highly thermally conductive and insulating aramid/polyphenylene sulfide composite paper with gradient and sandwich structures 具有梯度和夹层结构的高导热绝缘芳纶/聚苯硫醚复合纸

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.05.005

Qianshun Zhang , Wenzhuo Wu , Wenqi Zheng , Qi Huang , Zhanyu Zhou , Junpeng Wang , Xuerui Xiao , Hua Wang , Siwei Xiong , Luoxin Wang , Shiwen Yang

With rapid industrial development, effective thermal management has become essential for modern insulating materials. However, conventional aramid paper-based materials face substantial challenges in meeting these evolving demands due to their low thermal conductivity. This study demonstrates a novel fabrication method combining natural sedimentation filtration and thermal lamination to integrate hexagonal boron nitride (h-BN) into aramid/polyphenylene sulfide (PPS) composite paper, resulting in high thermal conductivity insulating aramid composite paper with a gradient structure and sandwich structure. At 60 wt% h-BN loading, the composite exhibits remarkable through-plane thermal conductivity (0.461 W/mK) and breakdown strength (40.96 kV/mm). These values show 255 % and 31.8 % improvements, respectively, over the h-BN-free control sample prepared under identical conditions. The thermal conductivity network formed by h-BN significantly enhances the TC of the composite. The exterior PPS film layer of the sandwich structure substantially augments the composite paper's resilience against thermal stress, chemical corrosion, and electromagnetic radiation. This enhanced durability renders the material highly promising for applications in various domains, including but not limited to electronics and electrical engineering.

随着工业的快速发展，有效的热管理已成为现代绝缘材料的必要条件。然而，传统芳纶纸基材料由于其低导热性，在满足这些不断变化的需求方面面临着巨大的挑战。本研究提出了一种结合自然沉降过滤和热层压的新型制备方法，将六方氮化硼（h-BN）集成到芳纶/聚苯硫醚（PPS）复合纸中，得到具有梯度结构和夹心结构的高导热绝缘芳纶复合纸。在60 wt%的h-BN载荷下，复合材料表现出显著的通平面导热系数（0.461 W/mK）和击穿强度（40.96 kV/mm）。这些值分别比在相同条件下制备的不含h- bn的对照样品提高了255%和31.8%。h-BN形成的导热网络显著提高了复合材料的TC。夹层结构的外部PPS膜层大大增强了复合纸对热应力、化学腐蚀和电磁辐射的弹性。这种增强的耐用性使材料在各种领域的应用前景非常广阔，包括但不限于电子和电气工程。

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引用次数: 0

High-pressure hydrogen effects on thermoplastics: A comprehensive review of permeation, decompression failure, and mechanical properties 高压氢对热塑性塑料的影响：渗透、减压失效和机械性能的综合综述

IF 9.9 Q1 MATERIALS SCIENCE, COMPOSITES

Advanced Industrial and Engineering Polymer Research

Pub Date : 2025-07-01 DOI: 10.1016/j.aiepr.2025.05.001

Jiacheng Zhao , Guozhen Ding , Peng Feng , Chao Wu

Hydrogen energy is widely regarded as a clean and sustainable alternative to fossil fuel. Among various hydrogen storage options, high-pressure gas cylinders, especially Type IV composite cylinders, are increasingly used due to their light weight and high storage efficiency. Since the thermoplastic liner plays a significant role as a permeation barrier of the total cylinder, the current research findings and gaps related to its properties under high-pressure hydrogen environments are reviewed. Firstly, the potential thermoplastics and processing techniques of the liner are presented. Then, the review focuses on three key properties of thermoplastic liners including permeability, decompression failure and mechanical properties under high-pressure hydrogen environments. The mechanism and key influencing factors of these properties are systematically discussed, followed by the proposal of targeted and valuable improvement strategies. Moreover, testing and standards, quantification and physical models of these three properties are also outlined to provide guidance and reference for future research and applications. In the end, the research gaps and future perspectives related to the thermoplastic liner are identified. This review provides a valuable reference for the performance optimization and engineering application of the thermoplastic liners of Type IV cylinders.

氢能被广泛认为是一种清洁、可持续的化石燃料替代品。在各种储氢选择中，高压气瓶，特别是IV型复合气瓶，由于其重量轻，储氢效率高，越来越多地被使用。由于热塑性衬垫在整个气瓶的渗透屏障中起着重要的作用，本文综述了目前热塑性衬垫在高压氢环境下性能的研究成果和存在的不足。首先，介绍了衬里的潜在热塑性塑料和加工技术。然后，重点介绍了热塑性衬垫在高压氢气环境下的渗透性、减压失效和力学性能等三个关键性能。系统探讨了这些性能的机理和关键影响因素，并提出了有针对性和有价值的改进策略。并概述了这三种性质的测试标准、量化和物理模型，为今后的研究和应用提供指导和参考。最后，指出了热塑性衬垫的研究空白和未来的发展方向。为IV型气缸热塑性衬垫的性能优化和工程应用提供了有价值的参考。

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