A novel highly stretchable, adhesive and self-healing silk fibroin powder-based hydrogel containing dual-network structure

被引：16
|
作者：
Wang, Cai [1 ,2 ]
Du, Yili [1 ]
Chen, Biyan [1 ]
Chen, Shaojun [1 ]
Wang, Yiping [2 ]
机构：
[1] Shenzhen Univ, Coll Mat Sci & Engn, Shenzhen 518060, Peoples R China
[2] Shenzhen Univ, Coll Optoelect Engn, Minist Educ & Guangdong Prov, Key Lab Optoelect Devices & Syst, Shenzhen 518060, Peoples R China
来源：
MATERIALS LETTERS | 2019年 / 252卷
基金：
中国国家自然科学基金;
关键词：
Thin films; Functional; Adhesion; Self-healing; TOUGH;
D O I：
10.1016/j.matlet.2019.05.129
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have demonstrated a novel strategy to enhance mechanical strength by designing dual-network (DN) structures. The novel self-healing hydrogel system composed of silk fibroin powder (SFP) and polyacrylamide (PAM) combines hydrogen bond supramolecular action. In addition, this system was prepared via a simple one-pot method of copolymerization. The SFP-PAM hydrogels could achieve high mechanical properties. The stress and strain at break were 0.65 MPa and 2250%, respectively. The hydrogels exhibited adhesive and self-healing properties. The fabricated multifunctional SFP-PAM hydrogel shows promise in potential applications in wound dressing and transparent artificial skins for body-adhered signal detection. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：126 / 129
页数：4
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