Mussel-Inspired Adhesive and Tough Composite Hydrogel Based on Polydopamine-Modified Nanocellulose for Strain and Wireless Sensing

被引：0

作者：

Du, Hong ^{[1
,2
]}

Zhao, Kangyao ^{[2
]}

Cheng, Zhengbai ^{[3
]}

Liu, Yingying ^{[2
]}

Sun, Xianhao ^{[2
]}

Wang, Yan ^{[2
]}

Shang, Rui ^{[2
]}

Lin, Zhaoyun ^{[1
]}

Wang, Huihui ^{[4
]}

Liu, Hongbin ^{[2
]}

机构：

[1] Qilu Univ Technol, Minist Educ, Shandong Acad Sci, Key Lab Pulp & Paper Sci & Technol, Jinan 250353, Peoples R China

[2] Tianjin Univ Sci & Technol, Coll Light Ind Sci & Engn, Tianjin Key Lab Pulp & Paper, State Key Lab Biobased Fiber Mfg Technol, Tianjin 300457, Peoples R China

[3] Zhejiang Jing Xing Paper Joint Stock Co Ltd, Pinghu 314214, Zhejiang, Peoples R China

[4] Hainan Univ, Sch Chem & Chem Engn, Haikou 570228, Hainan, Peoples R China

来源：

LANGMUIR | 2024年 / 40卷 / 49期

基金：

中国博士后科学基金;

关键词：

CELLULOSE; SENSORS;

D O I：

10.1021/acs.langmuir.4c03623

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Adhesive composite hydrogels have received increasing attention in the fields of wearable sensors, electronic skin, and bioelectronic interfaces. However, combining good adhesiveness and high strength in a single composite hydrogel remains challenging. To address this issue, a polydopamine (PDA)-modified nanocellulose (PCNF)/polyacrylamide (PAM) composite hydrogel was developed, which exhibits good adhesiveness (40 kPa), good durability (1500 rpm), excellent frost resistance (-42 degrees C), and good sensitivity (GF = 1.6). The composite hydrogel exhibits self-healing and conductive properties, making it suitable for sensing and Morse code applications. The obtained composite hydrogels have potential applications in various wearable devices, wireless human computer interfaces, human activity monitoring, and remote encrypted transmissions.

引用

页码：26137 / 26146

页数：10

共 44 条

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