首页
最新动态 交流合作 科研项目 论文著作 精彩瞬间 招生招聘
  • 2022级硕士生朱灿杰的文章在Adv Funct Mater发表!祝贺小朱!
  • 来源:付俊教授个人网站 2024-09-08
  • Breathable Ultrathin Film Sensors Based on Nanomesh Reinforced Anti‐Dehydrating Organohydrogels for Motion Monitoring


    Abstract

    Flexible hydrogel film sensors have great advantages as human–machine interfaces for conformal contact with bio-tissues, but suffer from weakness and dehydration, compromising flexibility and performance. Here, a breathable, highly stretchable, and anti-dehydrating ultrathin organohydrogel film as a skin-attachable strain sensor for long-term motion monitoring is developed. An electrospun TPU (eTPU) nanomesh with hidden strength is used as skeleton to host in situ free radical polymerization of 2-acrylamido-2-methyl propane sulfonic acid (AMPS) and acrylamide (AAm) to form an interpenetrating double network organohydrogel with glycerol and water as solvent. Extensive hydrogen bonding between eTPU nanomesh and P(AMPS-co-AAm) network yields ultrathin organohydrogel film (≈200 μm) with synergetic deformation and energy dissipation upon stretching, leading to record-high stretchability up to 920%, fracture toughness of 20.14 MJ m?3, fracture energy of 10 000 J m?2, and robustness over 4000 notched stretching cylcles to 50% strain. The binary glycerol/water solvent imparts excellent anti-dehydration at room temperature for 10 d, and stable sensory performance from ?20 to 60 °C. With a high water vapor transmission rate of 1.3 kg m?2 d?1, the film sensor ensures comfortable skin contact for continuous knee flexion monitoring throughout the day with stable signals. These organohydrogel film strain sensors are promising for wearable and long-term motion monitoring applications.


    https://onlinelibrary.wiley.com/doi/10.1002/adfm.202411725

  • [来源:中国聚合物网]
  • 了解更多请进入: 付俊教授个人网站
相关新闻
  • · 2021级博士生陈国旗的文章再次在Adv Mater在线发表!恭喜国旗!
  • · 2023级博士生王定坤的文章在J Mater Chem A发表!祝贺定坤!
  • · 祝贺2020级博士生杨海龙的文章被Chem Eng J接收!再接再厉!
  • · 祝贺2020级博士生杨海龙获得国家奖学金!2021级硕士生郑静霞、2022级硕士生朱灿杰获得冠名奖学金!

关于我们  |  联系我们  

网站:中国聚合物网

polymer.cn Copyright ©2017