Enhancing the mechanical properties and self-healing efficiency of hydroxyethyl cellulose-based conductive hydrogels via supramolecular interactions

被引：59

作者：

Hussain, Imtiaz ^{[1
]}

Sayed, Sayed Mir ^{[1
]}

Liu, Shunli ^{[1
]}

Oderinde, Olayinka ^{[1
]}

Kang, Mengmeng ^{[1
]}

Yao, Fang ^{[1
]}

Fu, Guodong ^{[1
]}

机构：

[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China

来源：

EUROPEAN POLYMER JOURNAL | 2018年 / 105卷

基金：

中国国家自然科学基金;

关键词：

Supramolecular interactions; Metal-ligand interactions; Conductive hydrogel; Dynamic interactions; Self-healing; HIGH TOUGHNESS; NANOCOMPOSITE HYDROGELS; NETWORK STRUCTURE; HIGH-STRENGTH; FABRICATION; COMPOSITE; DELIVERY; DESIGN;

D O I：

10.1016/j.eurpolymj.2018.05.025

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Natural polymer based self-healing hydrogels have attracted intense consideration due to their attributable and a wide range of applications. However, to design hydrogels having excellent self-healing efficiency and super mechanical strength is still a big challenge. Herein, we report hydroxyethyl cellulose based self-healing conducting hydrogels with enhanced mechanical properties by the molecular engineering of Fe3+ ions among the functional groups of polyacrylic acid-co-polyacrylamide and hydroxyethyl cellulose chain through supramolecular interactions. The engineered hydrogels exhibit a high mechanical strength with a tensile stress of 3.50 MPa and tensile strain of 1245%, along with compression stress of 32 MPa. These hydrogels also show about 98% self healing efficiency as well as exhibit 2.4 x 10(-3)S/cm electrical conductive. Moreover, manipulating the various parameters, the mechanical and self-healing efficiency of the prepared hydrogel can be adjusted. This work will encourage researchers to focus on this facile technique for the synthesis of self-healing hydrogel materials with enhanced mechanical properties.

引用

页码：85 / 94

页数：10