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.

引用

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页码：991 / 993

页数：3

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