{"title":"Macromolecular Chain Aggregation-Induced Multiscale Reinforcement for Strong and Antifatigue Hydrogels","authors":"Wenqian Xing, Yongchuan Wu, Hechuan Zhang, Haidi Wu and Jiefeng Gao*, ","doi":"10.1021/acsmaterialslett.4c0257010.1021/acsmaterialslett.4c02570","DOIUrl":null,"url":null,"abstract":"<p >Hydrogels have potential applications in artificial cartilage, tendons, and ligaments, while still facing great challenges in simultaneous improvement of strength, toughness, and fatigue resistance. In this work, strong, tough, and ionically conductive hydrogels are prepared via the macromolecular chain aggregation engineered multiscale reinforcement strategy. The tensile strength, fracture strain, fracture energy and fatigue threshold can reach values as high as 10.21 ± 0.79 MPa, 1942.84 ± 162.92%, 71.58 ± 4.23 kJ/m<sup>2</sup>, and 1040.12 J/m<sup>2</sup>, respectively. The hydrogels with ionic conductivity up to 1.45 S/m can be used as piezoresistive sensors for detection of various human body motions. This article provides a strategy for fabricating strong, tough, stretchable, and fatigue-resistant hydrogels with promising applications in flexible and wearable electronics.</p>","PeriodicalId":19,"journal":{"name":"ACS Materials Letters","volume":"7 4","pages":"1162–1170 1162–1170"},"PeriodicalIF":9.6000,"publicationDate":"2025-02-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"ACS Materials Letters","FirstCategoryId":"92","ListUrlMain":"https://pubs.acs.org/doi/10.1021/acsmaterialslett.4c02570","RegionNum":1,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
Hydrogels have potential applications in artificial cartilage, tendons, and ligaments, while still facing great challenges in simultaneous improvement of strength, toughness, and fatigue resistance. In this work, strong, tough, and ionically conductive hydrogels are prepared via the macromolecular chain aggregation engineered multiscale reinforcement strategy. The tensile strength, fracture strain, fracture energy and fatigue threshold can reach values as high as 10.21 ± 0.79 MPa, 1942.84 ± 162.92%, 71.58 ± 4.23 kJ/m2, and 1040.12 J/m2, respectively. The hydrogels with ionic conductivity up to 1.45 S/m can be used as piezoresistive sensors for detection of various human body motions. This article provides a strategy for fabricating strong, tough, stretchable, and fatigue-resistant hydrogels with promising applications in flexible and wearable electronics.
期刊介绍：
ACS Materials Letters is a journal that publishes high-quality and urgent papers at the forefront of fundamental and applied research in the field of materials science. It aims to bridge the gap between materials and other disciplines such as chemistry, engineering, and biology. The journal encourages multidisciplinary and innovative research that addresses global challenges. Papers submitted to ACS Materials Letters should clearly demonstrate the need for rapid disclosure of key results. The journal is interested in various areas including the design, synthesis, characterization, and evaluation of emerging materials, understanding the relationships between structure, property, and performance, as well as developing materials for applications in energy, environment, biomedical, electronics, and catalysis. The journal has a 2-year impact factor of 11.4 and is dedicated to publishing transformative materials research with fast processing times. The editors and staff of ACS Materials Letters actively participate in major scientific conferences and engage closely with readers and authors. The journal also maintains an active presence on social media to provide authors with greater visibility.
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