Catalyst-free dynamic exchange of aromatic Schiff base bonds and its application to self-healing and remolding of crosslinked polymers

2015 ◽  
Vol 3 (39) ◽  
pp. 19662-19668 ◽  
Author(s):  
Zhou Qiao Lei ◽  
Pu Xie ◽  
Min Zhi Rong ◽  
Ming Qiu Zhang
Keyword(s):  
Schiff Base ◽  
Self Healing ◽  
Crosslinked Polymers ◽  
Catalyst Free ◽  
Dynamic Exchange ◽  
Free Dynamic

Crosslinked polyacrylate is self-healed and reprocessed through rearrangement of networks based on catalyst-free dynamic exchange of aromatic Schiff base bonds.

Accelerating dynamic exchange and self-healing using mechanical forces in crosslinked polymers

2020 ◽  
Vol 7 (6) ◽  
pp. 1581-1587 ◽  
Author(s):  
Nethmi De Alwis Watuthanthrige ◽  
Ballal Ahammed ◽  
Madison T. Dolan ◽  
Qinghua Fang ◽  
Jian Wu ◽  
...  
Keyword(s):  
Room Temperature ◽  
Mechanical Forces ◽  
Self Healing ◽  
Ambient Conditions ◽  
Crosslinked Polymers ◽  
Dynamic Exchange

Surprisingly, a few seconds–minutes of compression at room temperature can increase the rate of dynamic bond exchange as measured by better self-healing, even for thermoresponsive dynamic bonds which do not exchange under ambient conditions.

Catalyst-free self-healing fully bio-based vitrimers derived from tung oil: Strong mechanical properties, shape memory, and recyclability

2021 ◽  
Vol 171 ◽  
pp. 113978
Author(s):  
Ya-zhou Xu ◽  
Pan Fu ◽  
Song-lin Dai ◽  
Hai-bo Zhang ◽  
Liang-wu Bi ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Shape Memory ◽  
Self Healing ◽  
Tung Oil ◽  
Catalyst Free

Highly transparent and self-healing films based on the dynamic Schiff base linkage

RSC Advances ◽  
2016 ◽  
Vol 6 (116) ◽  
pp. 115247-115251 ◽  
Author(s):  
Jiaoyu Ren ◽  
Yanxi Zhu ◽  
Hongyun Xuan ◽  
Xuefan Liu ◽  
Zhichao Lou ◽  
...  
Keyword(s):  
Schiff Base ◽  
Layer By Layer ◽  
Self Healing ◽  
Layer Technique ◽  
Layer By Layer Technique

In this study, we report highly transparent self-healing films based on Schiff base linkages between DF-PEG and CS via a layer-by-layer technique.

Fast‐reprocessing, Post‐adjustable, Self‐healing Covalent Adaptable Networks with Schiff base and Diels‐Alder Adduct

2022 ◽  
pp. 2100777
Author(s):  
Xiwei Xu ◽  
Songqi Ma ◽  
Sheng Wang ◽  
Binbo Wang ◽  
Hongzhi Feng ◽  
...  
Keyword(s):  
Schiff Base ◽  
Diels Alder ◽  
Self Healing ◽  
Alder Adduct
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