Self-assembled Structure of Polyrotaxane Consisting of β-Cyclodextrin and Poly(ethylene oxide)-block-poly(propylene oxide)-block-poly(ethylene oxide) Triblock Copolymer in Bulk System

被引：16
|
作者：
Uenuma, Shuntaro [1 ]
Maeda, Rina [1 ]
Takahashi, Shoko [1 ]
Kato, Kazuaki [1 ]
Yokoyama, Hideaki [1 ]
Ito, Kohzo [1 ]
机构：
[1] Univ Tokyo, Grad Sch Frontier Sci, Dept Adv Mat Sci, 5-1-5 Kashiwanoha, Kashiwa, Chiba 2778561, Japan
来源：
CHEMISTRY LETTERS | 2016年 / 45卷 / 08期
关键词：
Polyrotaxane; Cyclodextrin; Self-assembled structure; ALPHA-CYCLODEXTRIN; INCLUSION COMPLEXES; GLYCOL); GEL; BEHAVIOR; BLOCK;
D O I：
10.1246/cl.160490
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Polyrotaxanes consisting of beta-cyclodextrin (beta-CD) and poly(ethylene oxide) -block-poly(propylene oxide)-block-poly-(ethylene oxide) (PEO-PPO-PEO) triblock copolymer end-capped with bulky trityl groups were synthesized for the first time. Self-assembled structures of the bulk sample cast from water and dimethyl sulfoxide (DMSO) based on the crystal structure of beta-CD molecules and triblock copolymer microphase separation were investigated using small-angle X-ray scattering (SAXS) and wide-angle X-ray diffraction (WAXD). It was found that microphase-separated structures of a different periodic distance were formed depending on the casting solvent.
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页码：991 / 993
页数：3
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