Hydrophobic and Adhesive Elastomer Encapsulation for Anti‐Drying, Non‐Swelling, and Adhesive Hydrogels DOI

Huixin Yuan,

Tang Zhu,

Yuchan Huang

et al.

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

Published: July 25, 2024

Abstract Traditional hydrogels often face issues like dehydration, excessive swelling, and poor adhesion, limiting their practical applications. This study presents a facile universal method to create elastomer‐encapsulated with improved water retention, non‐swelling, enhanced adhesion. n‐Butyl acrylate (BA) 2,2,3,4,4,4‐hexafluorobutyl methacrylate (HFBMA) are utilized as the “soft” “hard” monomers, respectively, in situ construct elastomer coatings on hydrogel surface through surface‐confined copolymerization. The resulting transparent, hydrophobic, adhesive coating is tightly bound surface, conferring upon it robust defense against dehydration swelling various media, strong adhesion diverse substrates both aerial submerged conditions. Furthermore, this encapsulation strategy also augments mechanical attributes of bulk hydrogel, including its tensile properties puncture resistance, applicable wide array types configurations. Additionally, applied conductive results flexible sensors high sensitivity, reversible resistance change, exceptional sensing stability, significantly durability air underwater environments. These suggest potential applications harsh environments, such acoustic detection sonar scanning camouflage for submarines.

Language: Английский

Research progress in wide-temperature flexible zinc-air batteries DOI
Qi Liu,

Hongtu Shi,

Tianyu Han

et al.

Energy storage materials, Journal Year: 2024, Volume and Issue: 67, P. 103255 - 103255

Published: Feb. 10, 2024

Language: Английский

Citations

17
Adhesive Zwitterionic Poly(ionic liquid) with Unprecedented Organic Solvent Resistance DOI
Jun Zhang, Hui Li, Xuan Zhou

et al.

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(31)

Published: May 28, 2024

Abstract The resistance of adhesives to organic solvents is paramount importance in diverse industries. Unfortunately, many currently available exhibit either weak intermolecular chain interactions, resulting insufficient solvents, or possess a permanent covalent crosslinked network, impeding recyclability. This study introduces an innovative approach address this challenge by formulating zwitterionic poly(ionic liquid) (ZPIL) derivatives with robust dipole–dipole incorporating sulfonic anions and imidazolium cations. Due its unique dynamic electrostatic self‐crosslinking structure, the ZPIL exhibits significant adhesion various substrates demonstrates excellent recyclability even after multiple tests. Significantly, exceptional stability across nonpolar polar including ionic liquids, distinguishing itself from nonionic polymers conventional liquid)s. Its adhesive performance remains minimally affected prolonged exposure soaking conditions. presents promising solution for design highly solvent‐resistant materials plastics, coatings, adhesives.

Language: Английский

Citations

17
Conductive Eutectogels Fabricated by Dialdehyde Xylan/Liquid Metal-Initiated Rapid Polymerization for Multi-Response Sensors and Self-Powered Applications DOI

Jiyou Yang,

Yin Yan,

Lingzhi Huang

et al.

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 10, 2025

Conductive eutectogels have emerged as candidates for constructing functional flexible electronics they are free from the constraints posed by inherent defects associated with solvents and feeble network structures. Nevertheless, developing a facile, environmentally friendly, rapid polymerization strategy construction of conductive integrated multifunctionality is still immensely challenging. Herein, eutectogel fabricated through one-step dialdehyde xylan (DAX)/liquid metal (LM)-initiated deep eutectic solvent. DAX acts stabilizer preparation LM nanodroplets plays crucial role in facilitating ultrafast gelation (less than 2 min) virtue its reducing groups. Notably, this fabrication obviates use toxic chemical initiators cross-linkers. The resultant exhibit extremely high stretchability (2860%), desirable self-healing ability, conductivity (0.72 S m–1), biocompatibility, excellent environmental stability, exceptional responsiveness to tensile strain (GF = 4.08) temperature (TCR 5.35% K–1). Benefiting these features, serve multifunctional sensors human motion recognition monitoring. Furthermore, serves pliable electrode assembly triboelectric nanogenerator (TENG), designed harvest mechanical energy, convert it into stable electrical outputs, enable self-powered sensing. This study offers an approach fabricating eutectogels, making step closer development intelligent electronics.

Language: Английский

Citations

3
Ultra-robust, high-adhesive, self-healing, and photothermal zwitterionic hydrogels for multi-sensory applications and solar-driven evaporation DOI

Youyou Chen,

Chen Zhang, Rui Yin

et al.

Materials Horizons, Journal Year: 2023, Volume and Issue: 10(9), P. 3807 - 3820

Published: Jan. 1, 2023

Zwitterionic hydrogels have received considerable attention owing to their characteristic structures and integrating multifunctionality. However, the superhydrophilicity-induced poor mechanical properties severely hinder potential applications. Besides, from perspective of wide applications, zwitterionic with integrated high properties, conductivity multifunctionalities including self-adhesive, self-healing, photothermal are highly desirable yet challenging. Herein, a new class high-performance multifunctional designed based on incorporation polydopamine-coated liquid metal nanoparticles (LM@PDA). Due efficient energy dissipation endowed by isotropically extensible deformation LM@PDA multiple interactions within hydrogel matrix, resultant exhibited ultrahigh robustness tensile strength up 1.3 MPa, strain 1555% toughness 7.3 MJ m-3, superior or comparable those most hydrogels. The introduced also endows conductivity, versatile adhesion, autonomous excellent injectability, three-dimensional printability, degradability, conversion performance. These preferable enable promising as wearable sensors sensory capabilities for range values (1-500%), pressures (0.5-200 kPa) temperatures (20-80 °C) an impressive temperature coefficient resistance (up 0.15 °C-1). Moreover, these can be applied solar evaporators water evaporation rate 2.42 kg m-2 h-1) solar-thermal efficiency 90.3%) desalination wastewater purification. present work pave way future development beyond.

Language: Английский

Citations

29
A strong soy protein-based adhesive with excellent water retention DOI
Xinxin Huang, Yanqiu Chen, Xixiang Lin

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 472, P. 145037 - 145037

Published: July 26, 2023

Language: Английский

Citations

26
Mechanical robust, adhesive, self-healable and biodegradable protein-based electronic skin sensors for smart elderly care DOI

Ying‐Ao Zhang,

Chenyu Wang, Xiaoxue Wang

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 482, P. 148785 - 148785

Published: Jan. 21, 2024

Language: Английский

Citations

15
Low hysteresis zwitterionic supramolecular polymer ion-conductive elastomers with anti-freezing properties, high stretchability, and self-adhesion for flexible electronic devices DOI
Hongying Wang,

Baocheng Liu,

Danyang Chen

et al.

Materials Horizons, Journal Year: 2024, Volume and Issue: 11(11), P. 2628 - 2642

Published: Jan. 1, 2024

A zwitterionic supramolecular polymer elastomer with one ureido group and carboxybetaine on the side chain can be developed as an IoT-based self-powered sensing system for human motion monitoring.

Language: Английский

Citations

15
Transparent, Highly Stretchable, Self‐Healing, Adhesive, Freezing‐Tolerant, and Swelling‐Resistant Multifunctional Hydrogels for Underwater Motion Detection and Information Transmission DOI Creative Commons
Zeyu Zhang, Aifang Yao, Patrizio Raffa

et al.

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

Published: July 31, 2024

Abstract Conductive hydrogels have emerged as fascinating materials for flexible electronics because of their integrated conductivity, mechanical flexibility, and the possibility to introduce several smart functions. However, swelling in aqueous environments significantly reduces applicability where contact with water is unavoidable. In this study, a physically cross‐linked composite hydrogel proposed, that transparent, highly stretchable, anti‐swelling, capable autonomous self‐healing, adhesive, anti‐freezing. The synthesized through simple one‐step photopolymerization novel deep eutectic solvent (DES)/water system. Dynamic physical interactions, including hydrophobic interaction, hydrogen bonding, electrostatic confer remarkable transparency (92%), self‐healing capability (up 94%), good adhesion wide array substrates (91 199 kPa), high toughness (1.46 MJ m −3 ), excellent elongation at break 2064%), resistance (equilibrium ratio 3% 30 days) even solutions different pH (pH 1–11), other solvents. incorporation DES contributes exceptional anti‐freezing performance. transparent sensor achieves multifunctional sensing human motion detection sensitivity stability. Notably, demonstrates information transmission underwater stretching pressing, showcasing its immense potential devices.

Language: Английский

Citations

15
To be or not to be a hydrophobic matrix? the role of coating hydrophobicity on anti-icing behavior and ions mobility of ionic liquids DOI Creative Commons

Saba Goharshenas Moghadam,

Gelareh Momen, Ehsan Bakhshandeh

et al.

Chemical Engineering Journal, Journal Year: 2024, Volume and Issue: 485, P. 149696 - 149696

Published: Feb. 20, 2024

The demand for anti-icing coatings to endure extremely low temperatures is substantial. Despite the innovative pioneering research on potential of ionic liquids (ILs), development such still in its infancy. Our study investigates how matrix hydrophobicity influences mobility ILs at subzero and, consequently, their behavior. Wettability results highlight key role IL anion hydrophobicity. Dielectric spectroscopy distinguishes ion temperatures. We also investigate varying crosslink density affects by measuring water absorbency. Higher released from was confirmed presence solutions, validated with UV–vis spectroscopy, and resulted increased conductivity. Differential scanning calorimetry experimental setups were employed assess ice formation temperature, time, adhesion strength. Notably, surfaces containing exhibited a remarkable reduction temperature –23.5 ℃ achieved an exceptionally strength (∼15 kPa), attributed quasi-liquid layer (QLL). Solid-state NMR provided confirmation existence QLL interface. Ice examined against accelerated weathering, icing/de-icing cycles, as well endurance frost under freeze–thaw. findings underscore significance selecting right regards when designing subfreezing applications.

Language: Английский

Citations

14
Nature‐Inspired Molecular‐Crowding Enabling Wide‐Humidity Range Applicable, Anti‐Freezing, and Robust Zwitterionic Hydrogels for On‐Skin Electronics DOI
Min Gong, Xiaobo Wang, Zhen Wu

et al.

Small, Journal Year: 2024, Volume and Issue: 20(30)

Published: March 3, 2024

Abstract Hydrogels are currently in the limelight for applications soft electronics but they suffer from tendency to lose water or freeze when exposed dry environments low temperatures. Molecular crowding is a prevalent occurrence living cells, which molecular agents modify hydrogen bonding structure, causing significant reduction activity. Here, wide‐humidity range applicable, anti‐freezing, and robust hydrogel developed through incorporation of natural amino acid proline (Pro) conductive MXene into polyvinyl alcohol (PVA) networks. Theoretical calculations reveal that Pro can transform “free water” “locked via molecular‐crowding effect, thereby suppressing evaporation ice forming. Accordingly, prepared exhibits high retention capability, with 77% 55% being preserved after exposure 20 °C, 28% relative humidity ( RH) 35 90% RH 12 h. Meanwhile, lowers freezing temperature 34 °C enhances its stretchability strength. Finally, PVA/Pro/MXene hydrogels assembled as multifunctional on‐skin strain sensors electrodes monitor human motions detect tiny electrophysiological signals. Collectively, this work provides strategy will motivate researchers develop more advanced versatile applications.

Language: Английский

Citations

14