A Highly Ionic Conductive, Healable, and Adhesive Polysiloxane-Supported Ionogel

被引：65
作者：
Li, Zhongxiao [1 ]
Wang, Jinke [1 ]
Hu, Ruofei [1 ]
Lv, Chi [1 ]
Zheng, Junping [1 ]
机构：
[1] Tianjin Univ, Sch Mat Sci & Engn, Tianjin Key Lab Composite & Funct Mat, Tianjin 300072, Peoples R China
来源：
MACROMOLECULAR RAPID COMMUNICATIONS | 2019年 / 40卷 / 07期
基金：
中国国家自然科学基金;
关键词：
adhesive; ionogels; polysiloxane-supported; self-healing; RESISTANT; ROBUST;
D O I：
10.1002/marc.201800776
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A new kind of polysiloxane-supported ionogel is successfully designed via locking ionic liquids (ILs), 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][Tf2N]), into poly(aminopropyl-methylsiloxane) (PAPMS) grafted with [2-(methacryloyloxy)ethyl] trimethylammonium chloride (METAC) in the presence of tannic acid (TA). The novel ionogel exhibits good mechanical and recovery properties, as well as high ionic conductivity (1.19 mS cm(-1)) at 25 degrees C. In addition, the totally physical dual-crosslinked network based on ionic aggregates among METAC and the hydrogen bonds between PAPMS and TA provides excellent self-healing ability, which allows the damaged ionogel to almost completely heal (approximate to 83%) in 12 h at room temperature. Interestingly, the obtained ionogel also shows satisfactory adhesive behavior to various solid materials. Moreover, this novel ionogel can maintain its high ionic conductivity and recovery property even at subzero temperatures. Therefore, this polysiloxane-supported ionogel is anticipated to be advantageous in flexible electronic devices such as sensors and supercapacitors, even at low temperatures.
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页数：6
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