Kato Kazuaki, Okabe Yoshinori, Okazumi Yuya, Ito Kohzo
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan.
Chem Commun (Camb). 2015 Nov 21;51(90):16180-3. doi: 10.1039/c5cc07122d.
Modification of the guest polymer ends efficiently and substantially decreases the density of the threaded rings. The minimized ring density drastically facilitates chain sliding through the cross-links in polyrotaxane gels. This molecular design is like regulating the "pressure" of the rings confined in the interlocked architecture, which counteracts the sliding.
对客体聚合物末端进行修饰可有效且大幅降低穿线环的密度。最小化的环密度极大地促进了链在聚轮烷凝胶的交联点间滑动。这种分子设计就如同调节限制在互锁结构中的环的“压力”，而这种压力会阻碍滑动。
