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Electrospinning of Neat Graphene Nanofbers

Advanced fiber Materials 2022年第2期4卷 268-279页

作者： Zhanpo Han Jiaqing Wang Senping Liu Qinghua Zhang Yingjun Liu Yeqiang Tan Shiyu Luo Fan Guo Jingyu Ma Peng Li Xin Ming Chao Gao Zhen Xu MOE Key Laboratory of Macromolecular Synthesis and Functionalization Department of Polymer Science and EngineeringKey Laboratory of Adsorption and Separation Materials and Technologies of Zhejiang ProvinceZhejiang University38 Zheda RoadHangzhou 310027People’s Republic of China State Key Laboratory for Modifcation of Chemical Fibers and Polymer Materials Donghua UniversityShanghai 200051People’s Republic of China State Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile TechnologySchool of Materials Science and EngineeringQingdao UniversityQingdao 266071People’s Republic of China

Macroscopic assembly of graphene sheets has renovated the preparation of neat carbonaceous fbers with integrating high performance and superior functionalities,beyond the pyrolysis of conventional polymeric *** date,graphene microfbers by the liquid crystalline wet-spinning method have been ***,how to reliably prepare continuous neat graphene nanofbers remains ***,we present the electrospinning of neat graphene nanofbers enabled by modulating colossally extensional fow state of graphene oxide liquid *** use polymer with mega molecular weight as transient additives to realize the colossal extensional fow and *** neat graphene nanofbers feature high electronic quality and crystallinity and exhibit high electrical conductivity of 2.02×10^(6) S/m that is to be comparable with single crystal graphite *** electrospinning of graphene nanofbers was extended to prepare large-area fabric with high fexibility and superior specifc electrical/thermal *** electrospinning of graphene nanofbers opens the door to nanofbers of rich two-dimensional sheets and the neat graphene nanofbers may grow to be a new species after conventional carbonaceous nanofbers and whiskers in broad functional applications.

关键词： Electrospinning Graphene nanofber Functional fabrics

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Electrospun Nanofibers Enabled Advanced Lithium−Sulfur Batteries

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Accounts of Materials Research 2022年第2期3卷 149-160页

作者： Jiadeng Zhu Hui Cheng Pei Zhu Ya Li Qiang Gao Xiangwu Zhang Chemical Sciences Division Oak Ridge National LaboratoryOak RidgeTennessee 37831United States Fiber and Polymer Science Program Wilson College of TextilesNorth Carolina State UniversityRaleighNorth Carolina 27695-8301United States College of Textile Science and Engineering International College of SilkZhejiang Sci-Tech UniversityHangzhou 310018China School of Chemistry and Chemical Engineering Yangzhou UniversityYangzhou 225002China

CONSPECTUS:Lithium−sulfur(Li−S)batteries have been extensively studied because both S and Li have high theoretical capacities,and S is abundant and environmentally ***,their practical applications have been hindered by several challenges,including poor conductivity of S and its intermediates,shuttle effects of polysulfides,Li dendrite growth,*** efforts have been taken to tackle these issues by developing functional S host materials,separators and interlayers,solid-state electrolytes,etc.,during the past *** to structurally complicated materials and intricate preparation approaches,electrospun nanofibers have obtained tremendous interests since they have played an extremely crucial role in improving the overall performance of Li−S cells due to their unique features such as easy-setup,substantial surface area,outstanding flexibility,high porosity,excellent mechanical properties,etc.

关键词： fibers porosity conductivity

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Graphene-functionalized textile composites for wearable Joule heating applications

Advanced Nanocomposites

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Advanced Nanocomposites 2025年 2卷 108-123页

作者： Omar Faruk Abbas Ahmed Ashfaqul Hoque Khadem Lu Jia Luyi Sun Department of Materials Science and Engineering Binghamton University State University of New York at Binghamton NY 13902 USA Polymer Program Institute of Materials Science and Department of Chemical & Biomolecular Engineering University of Connecticut Storrs CT 06269 USA Department Mechanical Engineering College of Engineering Computing and Applied Science Clemson University Clemson SC 29634 USA College of Textile Engineering Taiyuan University of Technology Jinzhong Shanxi 030600 China

Thermal comfort is essential for maintaining physiological well-being, with textile materials traditionally serving as the primary medium for regulating heat exchange between the body and its environment. However, conventional textiles often fall short of maintaining optimal thermal balance. So, there is an increasing demand for advanced thermoregulation systems that can effectively reduce heat loss and enhance warmth, ensuring consistent comfort. Recent research has highlighted the promise of advanced functional materials, especially graphene and its composites, for modifying textiles to improve thermal properties. This article comprehensively reviews recent advancements in graphene-functionalized textile composites, focusing on their applications in wearable Joule heaters designed for personalized thermal comfort or thermal therapy. Various graphene-functionalized textile composites are reviewed from the perspectives of material properties, processing strategies and device fabrication methods. Key challenges and future opportunities are summarized for graphene-functionalized textile-based Joule heaters as innovative solutions in wearable thermal regulation.

关键词： Graphene textile Composite Wearable electronics Joule heater

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一步秒级制备超薄多孔Janus膜及其在防水透气电子皮肤的应用（英文）

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science Bulletin 2025年第5期 712-721页

作者：倪宇峰李兵储成臻王少凡贾宇杰曹诗春 Rasoul Esmaeely Neisiany 何创龙陈硕游正伟 State Key Laboratory of Advanced Fiber Materials Institute of Functional Materials College of Materials Science and Engineering Research Base of Textile Materials for Flexible Electronics and Biomedical Applications (China Textile Engineering Society) Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine Shanghai Key Laboratory of Lightweight Composite Donghua University College of Biological Science and Medical Engineering Donghua University Department of Materials and Polymer Engineering Faculty of Engineering Hakim Sabzevari University Biotechnology Centre Silesian University of Technology

It remains a challenge for a simple and scalable method to fabricate ultrathin porous Janus membranes for stretchable on-skin ***,we propose a one-step droplet spreading phase separation strategy to prepare an ultrathin and easily collected Janus thermoplastic polyurethane （TPU） membrane within *** metal-ion solvation structure mitigated migration kinetics to delay TPU solution demixing,promoting the further penetration of the coagulating ***,the developed membranes,with an average preparation rate of 25.2 cm2s-1,had a thickness of 5μm,and the water vapor transmission rate was determined to be 663 *** small pore layer having an average pore size of 1.7μm effectively blocked external liquid *** porous Janus TPU membrane coated by liquid metal served as a building block to develop a new generation of monolithic stretchable electronics with simultaneous high permeability and waterproofness.

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Inclusive Design of Advanced Wearable Health Monitoring Systems: Validating a Contact Pressure Prediction Model with a Sports Bra

SSRN

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SSRN 2024年

作者： Youn, Seonyoung Mathur, Kavita Mills, Amanda C. Fiber and Polymer Science Ph.D. candidate North Carolina State University RaleighNC27606 United States Department of Textile and Apparel Technology and Management North Carolina State University RaleighNC27606 United States Department of Textile Engineering Chemistry and Science North Carolina State University RaleighNC27606 United States

The integration of wearable biosignal monitoring systems into daily healthcare has marked a significant advancement in medical care. Yet, the design of these devices often neglects the anatomical specificity of individual bodies, compromising both functionality and comfort. This oversight is particularly pronounced in research on the effective placement of 3-lead electrodes, selecting suitable materials, and customizing fit for women's diverse body shapes. To address this gap, this research introduces a novel design methodology for the development of advanced wearable health-monitoring garments, focusing on smart sports bras as a case study. This approach emphasizes contact pressure (CP) optimization for electrode placement, material selection, and sizing to enhance biosignal acquisition and comfort for the wearer. The study identifies optimal horizontal 3-lead electrode placements and configurations, the most effective across three female participants with diverse body mass indices (BMIs). Furthermore, the research employs a simulation-based contact pressure model (CP model) to precisely engineer desired pressure levels through strategic material selection and sizing adjustments. Guided by the CP model, screen-printed silver/silver chloride electrodes are incorporated into single jersey knit fabric, adjusted by a 20% pattern size reduction for a tailored electrocardiogram (ECG) chest band in the optimized configuration. This achieves a signal-to-noise ratio of 40.9, closely comparable to the 41.9 ratio obtained with traditional wet electrodes, while also exhibiting a higher QRS amplitude above 0.84mV, benchmarked against 12-lead electrodes for reliability. The study further identifies an optimal contact pressure range of 0.56-1.24 kPa for ECG chest bands and a subjective pressure tolerance range of 0.93 to 1.8 kPa in the chest area across female subjects. Finally, the smart sports bra integration demonstrates clear QRS complexes and high biopotential amplitude, whi

关键词： Electrocardiograms

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Supramolecular Self-assembly Behaviors of Asymmetric Diblock Copolymer Blends with Hydrogen Bonding Interactions between Shorter Blocks Modelled by Yukawa Potentials

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Chinese Journal of polymer science 2021年第11期39卷 1502-1509页

作者： Xu Zhang Jialiang Chen Lin Xu Tianxi Liu Innovation Center for Textile Science and Technology State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai 201620China National Garment and Accessories Quality Supervision Testing Center(Fujian) Fujian Provincial Key Laboratory of Textiles Inspection TechnologyFujian Fiber Inspection CenterFuzhou 350026China Key Laboratory of Synthetic and Biological Colloids Ministry of EducationSchool of Chemical and Material EngineeringJiangnan UniversityWuxi 214122China

We employed the extended self-consistent field theory to investigate the supramolecular self-assembly behaviors of asymmetric diblock copolymer blends(AB/B’C)with hydrogen bonding interactions between shorter B and B’*** hydrogen bonding interactions are described by Yukawa potentials,where the hydrogen bonding donors and acceptors were modelled as two blocks smeared with opposite screened *** hierarchical microstructures with parallelly packed lamellae-in-lamellae(Lam)and 4.8.8 Archimedean tilting pattern(4.8.8)were observed at lower and higher hydrogen bonding density(θ),*** hierarchy of Lam and 4.8.8 were demonstrated by the one-and two-dimensional density profiles and the underlying order of the large-length-scale and small-length-scale microstructures were also *** was found that the 4.8.8 is favorable to the stronger hydrogen bonding density or ***θincreases,the microphase transition from Lam to 4.8.8 occurs atθ=0.34,which is mainly attributed to the optimization of the electrostatic energy and conformational entropy with sacrificing the interfacial *** work can provide a new strategy to understand the supramolecular self-assembly as well as the mechanism behind the formation of complex hierarchical microstructures.

关键词： Supramolecular self-assembly Hydrogen bond Block copolymer Self-consistent field theory Hierarchical microstructure

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Transparent,stretchable and anti-freezing hybrid double-network organohydrogels

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science China Materials 2022年第8期65卷 2207-2216页

作者： Liwei Zhu Jing Xu Jianchun Song Minglin Qin Shijia Gu Wei Sun Zhengwei You State Key Laboratory for Modification of Chemical Fibers and Polymer Materials Shanghai Belt and Road Joint Laboratory of Advanced Fiber and Lowdimension Materials(Donghua University)Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative MedicineResearch Base of Textile Materials for Flexible Electronics and Biomedical Applications(China Textile Engineering Society)College of Materials Science and EngineeringInstitute of Functional MaterialsDonghua UniveristyShanghai 201620China AccuPath Medical(Jiaxing)Co. Ltd.Shanghai 201203China

Stretchable ionic conductors with high transparency and excellent resilience are highly desired for flexible electronics,but traditional ionic conductive hydrogels are easy to dry and ***,a newly hybrid crosslinking strategy is presented for preparing a stretchable and transparent hydrogel by using sodium alginate(SA)and acrylamide based on the unique physically and covalently hybrid crosslinking mechanism,which is transformed into organohydrogel by simple solvent *** to the combination of hybrid crosslinking double network and hydrogen bond interactions introduced by the glycerin-water binary solvent,the SA-poly(acrylamide)-organohydrogel(SPOH)demonstrates excellent anti-freezing(-20℃)property,stability(>2 days),transparency,stretchability(~1600%)and high ionic conductivity(17.1 mS cm^(-1)).Thus,a triboelectric nanogenerator made from SPOH(O-TENG)shows an instantaneous peak power density of 262 mW m^(-2)at a load resistance of 10 MΩand efficiently harvests biomechanical energy to drive an electronic watch and light-emitting ***,The O-TENG exhibits favorable long-term stability(2 weeks)and temperature tolerance(-20℃).In addition,the raw materials can be prepared into SPOH fibers by a simple tubular mold method,exhibiting high transparency,which can be used for laser *** various abilities of the SPOH promise the application of energy harvesting and laser transmission for wearable electronics and biomedical field.

关键词： double network glycerin organohydrogel antifreezing triboelectric nanogenerator

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A Comparison of the Effect of Oxygen Content on Microstructural Evolution of Polyacrylonitrile fibers During Industrial Carbon fiber Production Line

SSRN

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SSRN 2024年

作者： Zhu, Hongqiang Liu, Yong Chen, Qiufei Malik, Hamza Wang, Yuhang He, Jian Ma, Bomou Wang, Xueli Zhang, Hui Yu, Jianyong State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and Engineering Donghua University Shanghai201620 China The Key Laboratory of High-Performance Fiber and Product Ministry of Education College of Materials Science and Engineering Donghua University Shanghai201620 China Shanghai Key Laboratory of Lightweight Composite College of Materials Science and Engineering Donghua University Shanghai201620 China Innovation Center for Textile Science and Technology Donghua University Shanghai201620 China

Understanding and regulating the oxidative stabilization behavior of polyacrylonitrile (PAN) precursor fibers are critical subjects of high-performance carbon fiber production technologies. However, most studies about the effects of oxidative stabilization atmosphere on carbon fibers manufacturing were performed with laboratory-scale batch-type manufacturing method, it’s inadequate to represent and provide instructions to practical carbon fibers manufacturing. Herein, we performed continuous stabilization and carbonization of PAN fibers at industrial carbon fiber production lines in different locales (different oxygen content in air), and investigated the microstructural evolution of the fibers with a systematically analysis at different stages. Influence of oxygen content in oxidative stabilization atmosphere on tensile modulus of the obtained carbon fibers was obvious. Oxygen diffused into PAN fibers in the lately stage of oxidative stabilization, more homogeneous and cross-linked structures generated under higher oxygen content atmosphere, and gave the stabilized fibers lower skin-core ratio. The graphite layers gradually generated in the subsequent carbonization stages, and the gathered graphite layers transformed into graphite microcrystalline, the wide-angle x-ray diffraction (WAXD) demonstrated that higher oxygen content conditions contributed to generate higher crystallite preferred orientation and bigger crystallite size, Raman spectroscopy also confirmed the obtained carbon fibers with higher oxygen content conditions possessed more order graphite structures. Thus, relatively higher oxygen content in air gave the stabilized fibers more cross-linked structures, and contributed to the formation of high-performance carbon fibers. © 2024, The Authors. All rights reserved.

关键词： Crystallite size

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Synthesis,characterization of a DOPO-based polymeric flame retardant and its application in polyethylene terephthalate

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Progress in Natural science:Materials International 2020年第2期30卷 200-207页

作者： Xiang Ao Ya Du Dan Yu Wei Wang Weizhong Yang Bin Sun Meifang Zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials College of Materials Science and EngineeringDonghua University Key Laboratory of Science & Technology of Eco-Textile Ministry of EducationCollege of ChemistryChemical Engineering and BiotechnologyDonghua University Shanghai Different Chemical Fiber Co. Ltd

A high molecular weight DOPO-based flame retardant(DP-DE) containing phosphorus linked pendent groups was synthesized by a two-step esterification and polycondensation reaction,and characterized by Fourier transform infrared spectroscopy(FTIR),13C nuclear magnetic resonance(13C NMR) and gel permeation chromatography(GPC).After added into polyethylene terephthalate(PET) via melt-blending method,the flame retardancy of DP-DE were monitored by thermo-gravimetric analysis(TGA),limiting oxygen index(LOI) and underwriter laboratories(UL-94) *** results showed that DP-DE display good flame retardancy in *** the thermal stability,char residue yield and LOI values of the composites increased with the increase of DP-DE *** flame retarded mechanism of DP-DE was investigated by pyrolysis-gas chromatogram-mass(PY-GCMS),in situ FTIR,scanning electron microscope(SEM) and laser Raman spectroscopy(LRS).DP-DE was evidenced to release phosphorus acid and its derivatives,which catalyze carbonization and produce compact carbonaceous *** protecting the polymeric materials substrate from further degradation and inhibiting the pyrolysis degree,both the amount and thermal stability of carbonaceous layers of DP-DE were improved,and hence enhancing the flame retarded performance of PET/DP-DE composites.

关键词： High molecular weight DOPO-Based Flame retardant PET Mechanism

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Chameleon Inspired High-Temperature Thermochromic Traffic Light Type Photonic Crystal Sensors Toward Early Fire Detection and Visual Sensing

SSRN

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SSRN 2023年

作者： Shi, Qingwen Liang, Jinxing Wang, Xuyi Yao, Kaixiang Tang, Yidan Pan, Chen Sun, Jiuxiao Liu, Rui Tan, Haiying Tang, Tao State Key Laboratory of New Textile Materials and Advanced Processing Technologies Key Laboratory of Textile Fiber and Products of Ministry of Education College of Materials Science and Engineering Wuhan Textile University Wuhan430200 China School of Computer Science and Artificial Intelligence Wuhan Textile University Wuhan430200 China High-Tech Organic Fibers Key Laboratory of Sichuan Province and China Bluestar Chengrand Co. Ltd China State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun130022 China

Fire detection plays a crucial role in maintaining the safety of people's lives and property. However, most early fire detectors are designed to monitor the current or voltage changes of the sensing materials, which require external power supplies. It is still a challenge to make rapid and accurate noncontact early fire detection in precombustion due to the lack of reliable alarm signals. Herein, inspired by the discoloration of chameleon skin, we developed an early fire warning sensor (EFWS) by coating photonic crystals (PCs) on a plastic sheet with thermal expansion properties. Monodispersed zinc sulfide (ZnS) was coated on the plastic sheet as abnormal detection component for EFWS. Combined with the intelligent image recognition algorithm, the EFWS was designed and gave warnings for 0.9s at 260 °C. For the first time, a non-contact real-time monitoring strategy based on PCs EFWS in precombustion is developed. The sensing material can be directly pasted on the surface of the detected equipment, and combined with existing surveillance cameras in the detection area, early warning of fires can be achieved without additional equipment. The EFWS system can be used in fire alarms for aircraft, buildings, electrical appliances, substations, and other places in the future. © 2023, The Authors. All rights reserved.

关键词： Zinc sulfide

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