The Deeply Understanding of the Self-Healing Mechanism for Self-Healing Behavior of Supramolecular Materials Based on Cyclodextrin-Guest Interactions

被引：7

作者：

Guo, Kun ^{[1
,2
]}

Lin, Mu-Song ^{[3
]}

Feng, Jun-Feng ^{[4
]}

Pan, Min ^{[5
]}

Ding, Li-Sheng ^{[1
]}

Li, Bang-Jing ^{[1
]}

Zhang, Sheng ^{[5
]}

机构：

[1] Chinese Acad Sci, Chengdu Inst Biol, Key Lab Mt Ecol Restorat & Bioresource Utilizat, Chengdu 610041, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[3] Guangdong Grid Co Ltd, Elect Power Res Inst, Guangzhou 510080, Guangdong, Peoples R China

[4] Southwest Jiaotong Univ, Sch Life Sci & Engn, Chengdu 611756, Peoples R China

[5] Sichuan Univ, Polymer Res Inst, State Key Lab Polymer Mat Engn, Chengdu 610065, Peoples R China

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2017年 / 218卷 / 10期

基金：

中国国家自然科学基金;

关键词：

association constants; host-guest interactions; mechanism; polymer chain mobility; self-healing; HOST-GUEST; MOLECULAR RECOGNITION; POLYMERS; INCLUSION; ADHESION; LIGHT; WATER; COMPLEXES; COMPOSITE; FRICTION;

D O I：

10.1002/macp.201600593

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Cyclodextrin (CD)-based host-guest interactions are one of the important supramolecular interactions and have been playing significant role in the design of self-healing materials due to high selectivity and dynamic equilibrium. However, a deeper understanding of the self-healing mechanism is still rare, although self-healing materials based on CD-guest interactions have many advantages. This study provides a first step for the fundamental understanding of the influence factors on self-healing behavior of materials containing CD-guest complexes. It is found that the healing motifs are CD-guest interactions. Sufficient polymer chains mobility, a small amount of water, and high inclusion constant (K) of host-guest interactions are also essential to the self-healing process. The threshold of K value is around 10(2) M-1.

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页数：7

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