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Highly integrated smart mountaineering clothing with dual-mode synergistic heating and sensitive sensing for personal thermal management and human health monitoring

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Journal of Materials science & technology 2024年第15期182卷 12-21页

作者： Yifan Cui Guolin Zheng Zhe Jiang Man Zhou Yuanyuan Yu Ping Wang Qiang Wang Key Laboratory of Science and Technology of Eco-Textiles Ministry of EducationJiangnan UniversityWuxi 214122China

The development of multifunctional textiles is an effective strategy to improve the quality of human *** single-mode heaters and strain sensors have been developed,but their low integration leads to multiple devices being installed on the garment,which greatly increases the weight of the garment and thus reduces its ***,bio-enzymatic polymerization and a simple shaking deposition method were used to prepare poly(3,4-ethylenedioxythiophene)(PEDOT)and copper(Ⅱ)sulfide(CuS)onto the surface of the elastic nylon fabrics,which endowed the fabrics with excellent dual-mode heating properties and sensitive sensing properties,and used to develop highly integrated multifunctional and smart mountaineering *** electro-driven heating mode,low-voltage(6 V)and high-voltage(12 V)heating can be used for joint heat therapy and active rapid deicing,*** photo-driven heating mode,low intensity(0.3 sun)and high intensity(1.5 sun)heating can be used for joint heat therapy and rapid antibacterial,*** addition,the fabric has the ability of dual-mode synergistic heating,and the surface temperature of the fabric can exhibit an ultra-high temperature of 137.9℃ under the external stimulation of 0.3 sun and 12 *** fabric will greatly enhance the deicing and antibacterial efficiencies under the synergistic *** work provides a facile strategy for the fabrication of flexible and highly integrated multifunctional electronic devices,and therefore has great potential for the design and development of all-in-one multifunctional electronic devices such as personal thermal management,soft robotics,and human-computer interaction.

关键词： Synergistic heating Negative response strain In situ enzymatic polymerization Rapid photothermal antibacterial On-demand hyperthermia

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Construction of CS@APP@UiO-66 through self-assembly technology as flame retardant and smoke suppressant for epoxy resins

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Frontiers of Chemical science and Engineering 2025年第4期19卷 1-11页

作者： Siqing Shao Liping Jin Siyuan He Yijing Feng Wenwen Guo Key Laboratory of Eco-textiles Ministry of EducationCollege of Textile Science and EngineeringJiangnan UniversityWuxi 214122China

To achieve fire-resistant epoxy resin(EP),a UiO-66-based novel flame retardant coating(CS@APP@UiO-66)was prepared by modifying UiO-66 with chitosan(CS)and ammonium polyphosphate(APP)through a layer-by-layer(LbL)self-assembly method,which was then introduced into an EP system to improve its fire *** results of scanning electron microscopy,X-ray diffraction and Fourier transform infrared spectroscopy show that the unsaturated Zr atoms in the UiO-66 framework provide many active sites conducive to modification,so that the UiO-66 particles,which originally had a regular octahedral structure,are more dispersed by LbL modification without causing doping or distortion *** thermogravimetric analysis results indicate that the char residue of EP/2%UiO-66 is increased by 2.52%compared with that of pure EP,indicating that the thermal properties of the EP composite are improved after *** addition,the cone test results indicate that EP/2%UiO-66-5L has good flame retardancy and smoke suppression properties,and the peak heat release rate,total smoke production and rate of CO generation values are 25.2%,5.7%and 38.5%lower than those of the unmodified ***,it can be concluded from the Raman test that the graphitization degree of the modified EP composite is *** above results indicated that after the incorporation of CS@APP@UiO-66 into the EP composites,more char layers formed as physical barriers to prevent the transfer of mass and heat,thus reducing the speed of flame ***,the flame resistance and smoke suppression of the EP composites *** favorable characteristics,including high flame retardant efficiency and good smoke suppression,make LbL-functionalized UiO-66 promising for flame retardant polymer applications.

关键词： epoxy resin composites metal organic framework(UiO-66) layer-by-layer self-assembly(LbL) flame retardant smoke suppressant

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High performance soft fiber-reinforced sodium alginate/polyacrylamide double-network hydrogels

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Progress in Natural science:Materials International 2024年第6期34卷 1267-1273页

作者： Xiaodan Wang Dan Xie Wenwen Hou Lilong Gao Yanzhi Xia Kunyan Sui College of Materials Science and Engineering State Key Laboratory of Bio-Fiber and Eco-textiles Collaborative Innovation Center for Marine Biobased Fibers and Ecological Textile Technology Institute of Marine Biobased Materials Qingdao University

Strong and stretchable hydrogels are in great demand but challenging due to the trade-off between the strength and stretchability. Here, we successfully prepared highly strong and stretchable sodium alginate/polyacrylamide（SA/PAM） double network（DN） hydrogels by using swollen calcium alginate fiber（CAF） as the first energy dissipating network. The swollen fibers contributed two functions: the homogeneous SA ionic crosslinkedpolymer networks and the soft fiber reinforcement. In contrast to the stiff fiber, the soft CAF provide more effective energy dissipation transferring from soft fiber to the liquid hydrogel. The as-prepared hydrogels demonstrated a high tensile strength（0.83 MPa）, high stretchability（4230 %）, and high toughness（15.7 MJ/m3）,as 5, 3 and 14 times of the SA/PAM hydrogels. This soft fiber-reinforced strategy offers a new way for preparing high-performance hydrogels, broadening their applications areas.

关键词： Highly stretchable hydrogels Soft sodium alginate fiber Double networks hydrogels

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A polyelectrolyte-induced highly processable pigment-like photonic crystal ink

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Progress in Natural science:Materials International 2024年第5期34卷 1049-1056页

作者： Guangxin Tan Wenxin Fan Zhihong Nie Kunyan Sui State Key Laboratory of Bio-Fibers and Eco-Textiles College of Materials Science and Engineering Shandong Collaborative Innovation Center of Marine Biobased Fibers and Ecological Textiles Institute of Marine Bio-based Materials Qingdao University School State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular Science Fudan University

Developing a straightforward strategy for constructing highly processable photonic crystals(PCs) is crucial for various applications, yet remains a challenge. Here, we present a simple polyelectrolyte-induced self-assembly strategy for producing novel photonic crystal(PC) inks with outstanding processing flexibility by adding the polyelectrolytes into the ultralow concentration of colloidal nanoparticle solution. The polyelectrolyte can cover the nanoparticles through the hydrogen bond interaction to induce the aggregation and mutual repulsion of them simultaneously, enabling the self-assembly of ultralow concentration(0.01–1.0 v/v%) of nanoparticles into shortrange ordered arrays with angle-independent structural colors. The resulting PC inks present unprecedented pigment-like color modulation capacity, as well as ultrahigh freedom in processing methods due to the fact that the rheological behaviors of PC inks can be widely adjusted by varying the properties of ***, the PC inks can be easily shaped into complex and exquisite multicolor patterns/3D structures using various techniques, including injection molding, writing, drawing, and 3D printing. This general approach paves the way for quick and scalable production of advanced PC materials deeply required in practical applications.

关键词： Polyelectrolyte Photonic crystals Self-assembly Multicolor patterns Processing flexibility

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3D printing of glycerol-mediated alginate hydrogels with high strength and stiffness

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材料科学技术（英文版） 2025年第10期213卷 268-275页

作者： Deshuai Kong Biao Yang Hua Yuan Cong Du Yeqiang Tan State Key Laboratory of Bio-Fibers and Eco-Textiles Collaborative Innovation Center of Marine Biobased Fiber and Ecological Textile TechnologyInstitute of Marine Biobased MaterialsCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China

As a biomass material with biodegradability and biocompatibility,sodium alginate(SA)is a good candidate for constructing hydrogels for tissue-mimicking and biomedical scaffold fabricating through extrusion-based 3D printing ***,the mechanical strength and stiffness of alginate hy-drogels are still not comparable with biological tissues such as tendons and the printability of SA so-lutions is often ***,a novel strategy for 3D printing of alginate hydrogels with high mechanical performance is developed by using glycerol as a co-solvent for SA *** addition of glycerol(GL)enables the formation of a homogenous SA/GL solution with a high solid content of 12-20 wt.％and en-dows crosslinked SA hydrogels with high *** applying uniaxial stretches,hydrogel filaments prepared with concentrated SA/GL solutions reveal a high tensile strength of 36.6-161.3 MPa,Young's modulus of 59.2-1964.2 MPa,and elongation at break of 8.5％-106.2％due to the high orientated and closely packed SA ***/GL solutions become more solid-like with increasing SA concentration,and the solution with a solid content of 16 wt.％exhibits optimal 3D printability because of the appropri-ate rheological properties and thixotropic *** designing the deforming-and-fixing process,3D printed high-strength alginate hydrogels with complex structures are prepared,broadening the applica-tion of alginate hydrogels in load-bearing and biomedical fields.

关键词： Sodium alginate 3D printing High strength Anisotropic structure

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Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine for high-rate supercapacitors

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Frontiers of Chemical science and Engineering 2023年第11期17卷 1788-1800页

作者： Ning Zhang Fu-Cheng Gao Hong Liu Feng-Yun Wang Ru-Liang Zhang Qing Yu Lei Liu School of Materials Science and Engineering Shandong University of Science and TechnologyQingdao 266590China College of Physics and State Key Laboratory of Bio Fibers and Eco Textiles Qingdao UniversityQingdao 266071China

Monodispersed nitrogen-doped carbon nanospheres with tunable particle size(100-230 nm)were synthesized via self-polymerization of biochemical dopamine in the presence of hexamethylenetetramine as a buffer and F127 as a size controlling *** can mildly release NH3,which in turn initiates the polymerization reaction of *** carbon nanospheres obtained exhibited a significant energy storage capability of 265 F·g^(-1)at 0.5 A·g^(-1)and high-rate performance of 82%in 6 mol·L^(-1)KOH(20 A·g^(-1)),which could be attributed to the presence of abundant micromesoporous structure,doped nitrogen functional groups and the small particle ***,the fabricated symmetric supercapacitor device displayed a high stability of 94%after 5000 cycles,revealing the considerable potential of carbon nanospheres as electrode materials for energy storage.

关键词： carbon nanospheres size-controlled nitrogen-doped high-rate supercapacitors

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A flexible PEO-based polymer electrolyte with cross-linked network for high-voltage all solid-state lithium-ion battery

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Journal of Materials science & technology 2024年第16期183卷 206-214页

作者： Nian Wang Yuting Wei Shuang Yu Wenchao Zhang Xiaoyu Huang Binbin Fan Hua Yuan Yeqiang Tan State Key Laboratory of Bio-Fibers and Eco-Textiles&Institute of Marine Biobased Materials&Collage of Materials Science and Engineering Qingdao UniversityQingdao 266071China

Solid state lithium-ion batteries(SLIBs)have been considered as one of the most promising sustainable next-generation technologies for energy ***,the poor interfacial compatibility and low ion conductivity of solid electrolytes still remain a major challenge for ***,a free-standing flexible solid polymer LA-PAM-PEO electrolyte is constructed through the electrospinning technology featuring with high Li+conductivity(6.1×10^(−4)S cm^(−1)),strong mechanical strength and high Li+migration num-ber(0.32),which breaks the restriction between ionic conductivity and mechanical strength in polymer solid *** cross-linking between LA,PAM and PEO is verified to decrease the crystalline of PEO,thus increasing the Li+***,benefiting from the 3D network composed of in-terconnected nanofibers and the covalent bonds between LA,PAM and PEO,the mechanical strength of LA-PAM-PEO SPE was also effectively im *** LA-PAM-PEO SPE also delivers a high electrochemi-cal window(4.95 V),and low interface resistance(243.8).As a result,the Li/Li symmetrical cell with the LA-PAM-PEO displayed outstanding stability after 1000 h with the uniform Li deposition on the in-terface of Li electrode,in sharp contrast to the PEO *** addition,the Li/LA-PAM-PEO SPE/LFP displays a discharge capacity of 135 mA h g^(−1)after 1000 cycles at the rate of 1 C,with a capacity retention of 93.5%.The proposed LA-PAM-PEO SPE thus opens new possibilities for the fabrication and engineering of solid-state Li-ion batteries.

关键词： Solid state battery Solid electrolyte PEO Electrospinning Li-ion battery

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In-situ decorated cobalt phosphide cocatalyst on Hittorfs phosphorus triggering efficient photocatalytic hydrogen production

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Chinese Journal of Structural Chemistry 2024年第2期43卷 13-16页

作者： Abiduweili Sikandaier Yukun Zhu Dongjiang Yang School of Environmental Science and Engineering State Key Laboratory of Bio-fibers and Eco-textilesQingdao UniversityQingdao266071China

Hydrogen production through semiconductor-based photocatalytic water splitting is an appropriate strategy to convert solar energy into hydrogen fuels[1].In recent years,metal-free elemental red phosphorus(RP)materials,including amorphous,fibrous,and Hittorfs phosphorus(HP)possessing moderate bandgap and bandstructure have been explored as potential visible-light-driven hydrogen evolution reaction(HER)photocatalyst[2].However,the slow charge migration capacity and sluggish surface reaction kinetics of RP materials have limited their HER efficiency to unsatisfactory *** overcome these limitations and improve the photocatalytic HER efficiency,various strategies,including building heterostructures,morphology control,and surface modification have been investigated[3].For instance,[001]-oriented HP nanorods decorated on polymeric carbon nitride exhibited excellent photocatalytic HER activity,which was attributed to accelerated photo-generated electron-holes transfer along the[001]direction of HP[4].In addition to enhancing the charge transfer ability by morphology regu-lation to allow more electrons to migrate to the surface to participate in HER,loading cocatalysts on RP surface to enhance HER kinetics is another effective strategy for altering HER activity[5].

关键词： phosphorus kinetics cobalt

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Preparation and Properties of Fire-retardant Epoxy Resin Containing an Environmentally Friendly Bio-based CS@SA@ZIF-67 Core-shell Nano-hybrid

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Chinese Journal of Polymer science 2025年第5期43卷 828-836页

作者： Nan Xu Guo-Fang Qiu Li-Ping Jin Chen-Peng Ji Cong-Ke Gu Ling-Xin He Wen-Wen Guo Key Laboratory of Eco-textiles Ministry of EducationCollege of Textile Science and EngineeringJiangnan UniversityWuxi214122China State Grid Anhui Electric Power Research Institute Hefei230601China

In this study,a novel CS@SA@ZIF-67 core-shell nano-hybrid was synthesized using zeolitic imidazole framework-67(ZIF-67)as a template and CS@SA@ZIF-67 as a ***,flame-retardant nanocomposites(EP/CS@SA@ZIF-67)were obtained by combining the hybrid with epoxy *** microstructure and morphology of CS@SA@ZIF-67 and the residual chars were explored using Fourier transform infrared(FTIR),scanning electron microscopy(SEM),and X-ray diffraction(XRD),and the effect of the obtained hybrid materials on the fire performance of the epoxy resins was *** with the flame retardant system composed of ZIF-67 and pure EP,the hybrid flame retardant composites exhibited low total heat release and smoke *** thermogravimetric analysis(TGA)results showed that the maximum thermal decomposition temperature of the EP/CS@SA@ZIF-67 based composite coating was stabilized at the highest value(378.2 and 563.9℃)so that the introduction of CS@SA@ZIF-67 could improve the thermal properties of the EP/CS@SA@ZIF-67 composites to a certain ***,the cone test results indicated that the peak heat release rate pHRR of the CS@SA@ZIF-67 filled EP composite was reduced by 18.43%compared to that of pure EP,implying enhanced flame *** enhanced thermal stability and flame retardancy of the CS@SA@ZIF-67 composites were mainly ascribed to the catalytic effect and carbonization ability of CS@SA@ZIF-67.

关键词： Metal organic framework(ZIF-67) Core-shell microspheres Epoxy resin composites Flame retardant Smoke suppressant

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Phase changes and electromagnetic wave absorption performance of XZnC(X=Fe/Co/Cu)loaded on melamine sponge hollow carbon composites

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International Journal of Minerals,Metallurgy and Materials 2025年第3期32卷 566-577页

作者： Xiubo Xie Ruilin Liu Chen Chen Di Lan Zhelin Chen Wei Du Guanglei Wu School of Environmental and Material Engineering Yantai UniversityYantai 264005China School of Materials Science and Engineering Hubei University of Automotive TechnologyShiyan 442002China Shandong Key Laboratory of Eco-Environmental Science for the Yellow River Delta Shandong University of AeronauticsBinzhou 256603China Institute of Materials for Energy and Environment State Key Laboratory of Bio-fibers and Eco-textilesCollege of Materials Science and EngineeringQingdao UniversityQingdao 266071China

Non-stoichiometric carbides have been proven to be effective electromagnetic wave(EMW)absorbing *** this study,phase and morphology of XZnC(X=Fe/Co/Cu)loaded on a three dimensional(3D)network structure melamine sponge(MS)carbon composites were investigated through vacuum filtration followed by *** FeZnC/CoZnC/CuZnC with carbon nanotubes(CNTs)were uniformly dispersed on the surface of melamine sponge carbon skeleton and Co-containing sample exhibits the highest CNTs *** minimum reflection loss(RL_(min))of the CoZnC/MS composite(m_(composite):m_(paraffin)=1:1,m represents mass)reached-33.60 dB,and the effective absorption bandwidth(EAB)reached 9.60 *** outstanding electromagnetic wave absorption(EMWA)properties of the CoZnC/MS composite can be attributed to its unique hollow structure,which leads to multiple reflections and *** formed conductive network improves dielectric and conductive *** incorporation of Co enhances the magnetic loss capability and optimizes interfacial polarization and dipole *** simultaneously improving dielectric and magnetic losses,ex-cellent impedance matching performance is *** clarification of element replacement in XZnC/MS composites provides an effi-cient design perspective for high-performance non-stoichiometric carbide EMW absorbers.

关键词： electromagnetic wave absorption three dimensional network structure melamine sponge derived carbon non-stoichiometric carbide

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