Tricontinuous double gyroid structure of ABC triblock copolymer

被引：1
|
作者：
Suzuki, J
Seki, M
Matsushita, Y
机构：
[1] Univ Tokyo, Inst Solid State Phys, Neutron Scattering Lab, Minato Ku, Tokyo 1068666, Japan
[2] Nagoya Univ, Sch Engn, Dept Appl Chem, Chikusa Ku, Nagoya, Aichi 4648603, Japan
来源：
KOBUNSHI RONBUNSHU | 1999年 / 56卷 / 10期
关键词：
tricontinuous structure; periodic minimal surface; gyroid; triblock copolymer;
D O I：
10.1295/koron.56.645
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Tricontinuous structures of an ABC-type triblock copolymer in bulk were studied. Sample is an anionically-polymerized isoprene-styrene-2-vinylpyridine (ISP) triblock copolymer whose volume fraction is 0.22-0.59-0.19 and total molecular weight is 64 K. The equilibrium structure from carefully-prepared cast film specimen was investigated by two methods; transmission electron microscopy (TEM) and small-angle X-ray scattering (SAXS). Further, TEM images were simulated by assuming parallel surfaces to infinite minimal surfaces. It was found from both methods that this triblock copolymer forms a three-dimensionally periodic structure, which can be derived from Schoen's Gyroid.
引用
收藏
页码：645 / 650
页数：6
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