Low coefficient of friction hydrogels with fast self-healing properties inspired by articular cartilage

被引：9

作者：

Deng, Shuhang ^{[1
]}

Wang, Li ^{[1
,2
]}

Zhao, Chunxia ^{[1
,2
]}

Xiang, Dong ^{[1
,2
]}

Li, Hui ^{[1
,2
]}

Wang, Bin ^{[1
,2
]}

Li, Zhenyu ^{[1
,2
]}

Zhou, Hongwei ^{[3
]}

Wu, Yuanpeng ^{[1
,2
]}

机构：

[1] Southwest Petr Univ, Ctr Funct Mat Working Fluids Oil & Gas Field, Sch New Energy & Mat, Chengdu 610500, Sichuan, Peoples R China

[2] Southwest Petr Univ, Sichuan Engn Technol Res Ctr Basalt Fiber Composit, State Key Lab Oil & Gas Reservoir Geol & Exploitat, Chengdu 610500, Peoples R China

[3] Xian Technol Univ, Sch Mat & Chem Engn, Shaanxi Key Lab Photoelect Funct Mat & Devices, Xian 710021, Peoples R China

来源：

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2023年 / 656卷

基金：

中国国家自然科学基金;

关键词：

Hydrogel; Low friction coefficient; Fast self -healing; Underwater; GLYCEROL-HYDROGEL; POLYMERS; BLEND; TOUGH; SOFT; PEG;

D O I：

10.1016/j.colsurfa.2022.130380

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogels have potential applications in artificial cartilage, soft robotics, and tissue engineering, owing to their excellent wettability, flexibility, and biocompatibility. However, poor lubrication and fragile mechanical properties often limit their applications. In nature, articular cartilage and cornea are coated by brush-like mucous to realize lubrication. Herein, we present a nature-inspired strategy for improving the lubrication properties of hydrogels. A model hydrogel is prepared using poly(vinyl alcohol), borax, and poly(ethylene oxide). The PEO forms a brush-like hydrophilic lubricating layer on the surface of the hydrogel. Thus, the PVA/Borax/PEO

引用

页数：10

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