Homogeneous Polymer Network Ion Gels Based on Metal Ion-Complexation-Induced Cross-Linking in Ionic Liquids

被引：0
|
作者：
Takano, Saori [1 ]
Takubo, Itsuki [1 ]
Ueki, Takeshi [2 ,3 ]
Fujii, Kenta [1 ]
机构：
[1] Yamaguchi Univ, Grad Sch Sci & Technol Innovat, Ube, Yamaguchi 7558611, Japan
[2] Natl Inst Mat Sci, Res Ctr Funct Mat, Tsukuba, Ibaraki 3050044, Japan
[3] Hokkaido Univ, Grad Sch Life Sci, Sapporo, Hokkaido 0600810, Japan
来源：
ACS APPLIED POLYMER MATERIALS | 2024年 / 6卷 / 17期
关键词：
Ion gel; Homogeneous polymernetwork; TetraPEG; Ionic liquid; Metalion complexation; ELECTROLYTE; COORDINATION;
D O I：
10.1021/acsapm.4c01792
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report a facile one-step synthesis of homogeneous polymer network ion gels. The end-functionalization of tetra-branched poly(ethylene glycol) (TetraPEG) with catecholamine (Cat-NH2) and the complexation between metal ions and Cat groups proceeded simultaneously in ionic liquid to yield free-standing TetraPEG ion gels cross-linked by the metal-Cat complexes. The mechanical strength of the ion gels strongly depended on the coordination bond strengths of the metal-Cat complexes, displaying the following trend: Ni2+ > Mg2+ > Li+. We measured their ionic conductivities and found that the ion gels exhibited high ionic conductivity regardless of the employed metal ions.
引用
收藏
页码：10149 / 10153
页数：5
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