Supramolecular Ionic Nanomaterials via Ionic Self-Assembly with High Thermal and Water Stability for the Detection of Trinitrophenol DOI
Juanjuan Wang, Wen‐Ting Deng, Yangxia Han

et al.

ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(16), P. 19473 - 19480

Published: Aug. 14, 2024

Two supramolecular ionic nanomaterials (SINs) were successfully prepared by multidentate imidazolium organic salts and acid via self-assembly (ISA), which is formed tetraphenylethylene (TPE)-based (TPE-COS TPE-C16OS) 4,4′,4″,4‴-(ethene-1,1,2,2-tetrayl)tetrabenzenesulfonic (TPE-SO3H) in MeOH. These SINs exhibited high thermal stability are insoluble solvents. Furthermore, as fluorescence sensors, they showed sensitivity selectivity the detection of nitroaromatic explosives, especially for trinitrophenol (TNP); linear range SIN-1 SIN-2 was 0.4–128 μM 1–128 μM; their λex set 340 350 nm; λem 489 458 related limit 0.87 0.42 μM, respectively. The quenching mechanism TNP synergistic effect energy transfer, inner filter, photoelectron transfer.

Language: Английский

Engineering of Reversibly Cross‐Linked Elastomers Toward Flexible and Recyclable Elastomer/Carbon Fiber Composites with Extraordinary Tearing Resistance DOI
Xiaohan Wang, Junqi Sun

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(35)

Published: July 14, 2024

Carbon fiber (CF)-reinforced polymers (CFRPs) demonstrate potential for use in personal protective equipment. However, existing CFRPs are typically rigid, nonrecyclable, and lack of tearing resistance. In this study, flexible, recyclable, resistant polyurethane (PU)-CF composites fabricated through complexation reversibly cross-linked PU elastomer binders with CF fabrics. The PU-CF possess a high strength 767 MPa record-high fracture energy 2012 kJ m

Language: Английский

Citations

16
Hybrid Soft Segments Boost the Development of Ultratough Thermoplastic Elastomers with Tunable Hardness DOI Open Access

Xingxue Zhang,

Luping Wang, Kaiqiang Zhang

et al.

Advanced Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 19, 2025

Abstract The hardness of thermoplastic elastomers (TPEs) significantly influences their suitability for various applications, but traditionally, enhancing reduces toughness. Herein a method is introduced that leverages hybrid soft segments to fine‐tune the TPEs without compromising exceptional Through selective copolymerization polytetramethylene ether glycols (PTMEGs) at molecular weights, supramolecular poly(urethane‐urea) are molecularly engineered cover wide spectrum while retaining good It achieved through formation graded functional zones—densely packed enhanced and strength, loosely greater extensibility toughness—driven by variations in PTMEG chain length mismatched interactions. establishment systematic investigation TPE library, intricate interplay between design, structure, performance these materials elucidated, refining optimization techniques. demonstrate mechanical properties, including variant with Shore 86A toughness 819 MJ m −3 , alongside softer 59A 786 innovation extends scalable solvent‐based production line, promising widespread industrial application. This advancement reimagines potential high‐performance composites, offering versatile demanding applications.

Language: Английский

Citations

3
Synergistic cross-linking strategy with oxime-carbamate and hydrogen bonding arrays for excellent damage self-healing and reprocess ability of thermoset polyurethanes DOI
Pengwu Xu, Ning Ding, Hong Wang

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 160951 - 160951

Published: Feb. 1, 2025

Language: Английский

Citations

3
Fabrication of Mechanical Strong Supramolecular Waterborne Polyurethane Elastomers With the Inspiration of Hierarchical Dynamic Structures of Scallop Byssal Threads DOI
Mingguang Zhang, Yining Wang,

Minghang Yang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Sept. 16, 2024

Abstract Advancing the development of eco‐friendly waterborne polyurethane elastomers (WPUEs) can significantly reduce reliance on organic solvents, which is crucial for environmental conservation. Nevertheless, achieving superior mechanical properties and self‐healing capabilities in WPUEs presents a considerable challenge. Drawing inspiration from hierarchical dynamic structures observed scallop byssal threads, high‐strength supramolecular elastomer (SWPUE), designated SWPU‐DESH‐Zn, developed this study. Owing to precise regulation hydrogen bonding state acylsemicarbazide (ASC) fragments via disulfide bonds, formation coordination interactions between carboxyl zinc ions, as‐prepared exhibited robust strength 52.07 MPa, comparable that solvent‐based elastomers. Additionally, it notable capability excellent reprocessability. Meanwhile, high‐performance ionic skins electromagnetic interference (EMI) shielding materials are also fabricated using SWPU‐DESH‐Zn as matrix, further illustrating its potential applications. This novel biomimetic approach, inspired by offers valuable insights designing healable polymers with enhanced properties.

Language: Английский

Citations

14
Mechanically Robust, Reprocessable, and Light-Controlled Healable Solvent-Free Lignin-Containing Polyurethane Elastomers Based on Dynamic Phenol-Carbamate Network DOI
Peng Jin, Haixu Wang, Shusheng Chen

et al.

Macromolecules, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 9, 2025

In this study, we introduce an innovative one-step, solvent-free approach for preparing lignin-containing polyurethane elastomers (LPUes) with nanomicro phase-separated structure and dynamic dual-cross-linking networks comprising both phenol-carbamate bonds (PCBs) hydrogen bonds. This distinctive structural design imparted exceptional mechanical properties to the LPUes. The sample containing 22.9 wt % phenolized lignin exhibited tensile strength of 44.6 MPa, elongation at break 714.6%, toughness 148.0 MJ/m3. abundance PCBs also conferred remarkable reprocessing capabilities, these LPUes retaining over 98% 94.4% after two hot-pressing cycles. Moreover, incorporation endowed photothermal properties, facilitating efficient light-controlled self-healing shape-memory functionalities. work offers pathway harmonize thermal adaptability in development sustainable high-performance LPUes, thereby opening their avenues diverse potential applications.

Language: Английский

Citations

1
In Situ Anchoring Functional Molecules to Polymer Chains Through Supramolecular Interactions for a Robust and Self‐Healing Multifunctional Waterborne Polyurethane DOI
Chen Zhou, Nana Zhao, Weiqi Liu

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 22, 2025

Abstract Nowadays, much attention is paid to the development of high‐performance and multifunctional materials, but it still a great challenge obtain polymer materials with high mechanical properties, self‐healing multifunctionality in one. Herein, an innovative strategy proposed satisfactory waterborne polyurethane (PMWPU‐Bx) by situ anchoring 3‐aminophenylboronic acid (3‐APBA) pyrene‐capped (PMWPU) via supramolecular interactions. The multiple functional sites inherent 3‐APBA can produce interactions groups on PMWPU, promoting aggregation hard domains network, which confers PMWPU‐Bx strength (7.9 MPa) modulus (243.2 MPa). Meanwhile, dynamic natures boronic ester bonds formed condensation endow efficiency. Additionally, exhibits fluorescence tunability due controlled π–π stacking. In this research, molecules onto polymers through synchronously achieves performance multi‐functionality polyurethanes, also broadens their potential applications fields optical anticounterfeiting encrypted information transmission.

Language: Английский

Citations

1
Rigid and crosslinkable polyimide curing epoxy resin with enhanced comprehensive performances DOI
Yifan Li, Jiahui Li, Wenhao Zhang

et al.

Polymer, Journal Year: 2024, Volume and Issue: 297, P. 126836 - 126836

Published: Feb. 27, 2024

Language: Английский

Citations

7
Super‐Durable, Tough Shape‐Memory Polymeric Materials Woven from Interlocking Rigid‐Flexible Chains DOI Creative Commons
Jing Xu, Mingchao Shao,

Tianze Chen

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: 11(38)

Published: Aug. 5, 2024

Developing advanced engineering polymers that combine high strength and toughness represents not only a necessary path to excellence but also major technical challenge. Here for the first time rigid-flexible interlocking polymer (RFIP) is reported featuring remarkable mechanical properties, consisting of flexible polyurethane (PU) rigid polyimide (PI) chains cleverly woven together around copper(I) ions center. By rationally weaving PI, PU chains, ions, RFIP exhibits ultra-high (twice unwoven polymers, 91.4 ± 3.3 MPa), (448.0 14.2 MJ m

Language: Английский

Citations

7
Enabling High Strength and Toughness Polyurethane through Disordered‐Hydrogen Bonds for Printable, Recyclable, Ultra‐Fast Responsive Capacitive Sensors DOI Creative Commons
Xingbao Chen, Shiwei Zhao, Anqian Yuan

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 14, 2024

Abstract The rapid advancement of smart, flexible electronic devices has paralleled a surge in waste (e‐waste), exacerbating massive resource depletion and serious environmental pollution. Recyclable materials are extensively investigated to address these challenges. Herein, this study designs unique polyurethane (SPPUs) with ultra‐high strength up 60 MPa toughness 360 MJ m −3 . This synthetic SPPUs can be fully recycled at room temperature by using green solvents ethanol. Accordingly, the resultant SPPU‐Ni composites, created mixing ethanol‐dissolved solution nickel (Ni) powder, effectively combine flexibility recyclability electrical conductivity filler. Notably, work develops printable capacitive sensors (PCBS) through transcribing paste SPPUs‐Ni slurry onto PET film paper screen‐printing technology. devised PCBS have fast response time ≈50 ms, high resolution, multiple signal recognition capabilities. Remarkably, Ni powder only dissolving offers sustainable growing e‐waste problem recyclable electronics.

Language: Английский

Citations

4
Designing High-Damping, Optically Clear Ionogels through Competitive Binding for Flexible and Impact-Resistant Applications DOI
Xiaoyu Huang,

Luofei Li,

Haoqi Zhu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 28, 2025

Developing damping materials that are both optically transparent and mechanically robust, while offering broad frequency capacity, is a significant challenge─particularly for devices require protection without compromising visual clarity. Conventional methods often either fail to maintain transparency or involve complex designs difficult implement. Here, we present an ionogel system integrates physically cross-linked elastic copolymer network with viscous ionic liquid. The competitive interactions between the liquid polymer enable fine-tuning of mechanical stability capacity. resulting robust exhibits excellent over wide range. Remarkably, thin layer (0.15 mm) absorbs nearly 60% impact force retains its performance after exposure extreme conditions. This approach offers straightforward method designing advanced meet aesthetic functional demands modern technologies.

Language: Английский

Citations

0