Effect of Molecular Orientation to Proton Conductivity in Sulfonated Polyimides with bent backbones

被引：4
|
作者：
Nagao, Yuki [1 ]
Ohno, Kazuki [1 ]
Tsuyuki, Shinya [1 ]
Suetsugu, Kota [2 ]
Hara, Mitsuo [2 ]
Nagano, Shusaku [3 ]
机构：
[1] Japan Adv Inst Sci & Technol, Sch Mat Sci, 1-1 Asahidai, Nomi, Ishikawa 9231292, Japan
[2] Nagoya Univ, Grad Sch Engn, Dept Mol Design & Engn, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
[3] Nagoya Univ, Venture Business Lab, Chikusa Ku, Furo Cho, Nagoya, Aichi 4648603, Japan
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2019年 / 686卷 / 01期
关键词：
Sulfonated polyimide; Molecular orientation; In-plane orientation; Organized structure; Proton conductivity; Lyotropic liquid crystalline property; ION-TRANSPORT; ENHANCEMENT; INTERLAYER;
D O I：
10.1080/15421406.2019.1648041
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Two organized sulfonated polyimides (ASPIs) with bent polymer backbones were synthesized to study a relation between structure and proton conductivity. Proton conductivity exhibited different values between the thin film and bulk pelletized forms. Results from small-angle X-ray scattering (SAXS) and attenuated total reflection measurements suggest that the orientation of backbones is different between the thin film and bulk forms. SAXS results suggest excess amount of water uptake in the bulk samples compared to the thin film form. These structure and water uptake property could contribute the difference of the proton conductivity between the thin film and bulk pelletized forms.
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页码：84 / 91
页数：8
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