Control of the threading ratio of cyclic molecules in polyrotaxanes consisting of poly(ethylene glycol) and α-cyclodextrins†,Chemical Communications

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Control of the threading ratio of cyclic molecules in polyrotaxanes consisting of poly(ethylene glycol) and α-cyclodextrins†
Chemical Communications ( IF 4.3 ) Pub Date : 2018-05-30 00:00:00 , DOI: 10.1039/c8cc01776j
Yuichiro Kobayashi _{1,

2,

3,

4,

5} , Yukie Nakamitsu _{1,

2,

3,

4,

5} , Yongtai Zheng _{1,

2,

3,

4,

5} , Yoshinori Takashima _{2,

3,

4,

5,

6} , Hiroyasu Yamaguchi _{2,

3,

4,

5,

6} , Akira Harada _{1,

2,

3,

4,

5}

Affiliation

We demonstrated a feasible method for providing polyrotaxanes (PRxs) with a controlled threading ratio of cyclic molecules and chain length of linear polymers by extending the linear polymers in the pseudo-PRx. This method gave PRxs with a lower threading ratio and a higher mobility of cyclic molecules compared to usual methods used previously with a high threading ratio. In addition, our PRx improved the thermal stability of the linear polymers in PRx despite the low threading ratio.

中文翻译：

控制由聚乙二醇和α-环糊精组成的聚轮烷中环状分子的穿入率†

我们展示了一种可行的方法，可通过在伪PRx中扩展线性聚合物，为聚轮烷（PRx）提供具有受控的环状分子穿线比和线性聚合物的链长的聚轮烷。与先前使用的具有高穿线率的常规方法相比，此方法使PRx具有较低的穿线率和较高的环状分子迁移率。此外，尽管穿线率低，我们的PRx仍改善了PRx中线性聚合物的热稳定性。

更新日期：2018-05-30

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