Self‐Healing Supramolecular Materials Constructed by Copolymerization via Molecular Recognition of Cavitand‐Based Coordination Capsules
作者:Natsumi Nitta、Mei Takatsuka、Shin‐ichi Kihara、Takehiro Hirao、Takeharu Haino
DOI:10.1002/anie.202006604
日期:2020.9.14
(poly‐1)n⋅poly‐(R)‐2 was stably formed in the 1:1 host–guest ratio, which increased the glass transition temperature by more than 10 °C compared to that of poly‐1. AFM visualized that (poly‐1)n⋅poly‐(R)‐2 formed the networked structure on mica. The (poly‐1)n⋅poly‐(R)‐2 gelled in 1,1,2,2‐tetrachloroethane, which led to fabrication of distinct viscoelastic materials that demonstrated self‐healing behavior in a tensile
聚- (R)的重复单元客- 2有选择地通过自组装胶囊包封的聚- 1具有8个聚合物侧链以形成超分子接枝聚合物(聚1)ñ ⋅poly-(R) - 2。客体单元的包封通过1 H NMR谱和DOSY技术确认。聚1络合后,接枝聚合物结构的流体力学半径大大增加。超分子接枝聚合物(聚1)ñ ⋅poly-(R) - 2以1:1主宾比稳定形成,与poly- 1相比,玻璃化转变温度提高了10°C以上。AFM可视化了(poly- 1)n ⋅poly‐(R)-2在云母上形成了网络结构。的(聚1)ñ ⋅poly-(R) - 2中1,1,2,2-四氯乙烷胶凝,这导致不同的粘弹性材料,其表现出在拉伸试验中的自修复行为的制造。