Maximizing the symbiosis of static and dynamic bonds in self-healing boronic ester networks

2018 ◽  
Vol 9 (15) ◽  
pp. 2011-2020 ◽  
Author(s):  
Jessica J. Cash ◽  
Tomohiro Kubo ◽  
Daniel J. Dobbins ◽  
Brent S. Sumerlin
Keyword(s):  
Self Healing ◽  
Boronic Ester

Networks that contain boronic ester crosslinks undergo dynamic bond exchange that enables self-healing behavior and reprocessing.

Biobased, Biodegradable, Self-Healing Boronic Ester Vitrimers from Epoxidized Soybean Oil Acrylate

2020 ◽  
Author(s):  
Arkadiusz Zych ◽  
Jonathan Tellers ◽  
Laura Bertolacci ◽  
Luca Ceseracciu ◽  
Lara Marini ◽  
...  
Keyword(s):  
Soybean Oil ◽  
Epoxidized Soybean Oil ◽  
Self Healing ◽  
Boronic Ester

scholarly journals Efficiently self-healing boronic ester crystals

2020 ◽  
Vol 11 (10) ◽  
pp. 2606-2613 ◽  
Author(s):  
Patrick Commins ◽  
Marieh B. Al-Handawi ◽  
Durga Prasad Karothu ◽  
Gijo Raj ◽  
Panče Naumov
Keyword(s):  
Organic Crystal ◽  
Self Healing ◽  
Boronic Ester ◽  
Order Of Magnitude

Organic crystal is described that can be bent plastically and twisted elastically, and can self-heal to 67%, an efficiency that is an order-of-magnitude higher compared to the only previously reported example.

Covalently cross-linked polymer stabilized electrolytes with self-healing performance via boronic ester bonds

2020 ◽  
Vol 11 (36) ◽  
pp. 5893-5902 ◽  
Author(s):  
Sibo Li ◽  
Cai Zuo ◽  
Yong Zhang ◽  
Jirong Wang ◽  
Huihui Gan ◽  
...  
Keyword(s):  
Polymer Electrolytes ◽  
Solid Polymer Electrolytes ◽  
Solid Polymer ◽  
Self Healing ◽  
Boronic Ester ◽  
Facile Fabrication ◽  
Polymer Stabilized

This article reported a facile fabrication of self-healing solid polymer electrolytes via boronic ester bonds.

scholarly journals Internal and external catalysis in boronic ester networks

2021 ◽  
Author(s):  
Boyeong Kang ◽  
Julia Kalow
Keyword(s):  
Mechanical Properties ◽  
Binding Affinity ◽  
Polymer Networks ◽  
Model Systems ◽  
Self Healing ◽  
Dynamic Materials ◽  
Boronic Ester ◽  
Rate Acceleration ◽  
Exchange Spectroscopy ◽  
Kinetics Of

In dynamic materials, the reversible condensation between boronic acids and diols provides adaptability, self-healing ability, and responsiveness to small molecules and pH. Recent work has shown that the thermodynamics and kinetics of bond exchange determine the mechanical properties of dynamic polymer networks. However, prior studies have focused on how structural and environmental factors influence boronic acid–diol binding affinity, and design rules for tuning the kinetics of this dynamic bond are lacking. In this work, we investigate the effects of diol (or polyol) structure and salt additives on the rate of bond exchange, binding affinity, and the mechanical properties of the corresponding polymer networks. To better mimic the environment of polymer networks in our small-molecule model systems, we incorporated proximal amide groups, which are used to conjugate diols to polymers, and included salts commonly found in buffers. Using one-dimensional selective exchange spectroscopy (1D EXSY), we find that both proximal amides and buffering anions induce significant rate acceleration consistent with internal and external catalysis, respectively. This rate acceleration is reflected in the stress relaxation of gels formed using PEG modified with different alcohols, and in the presence of salts containing acetate or phosphate. These findings contribute to the fundamental understanding of the boronic ester dynamic bond and offer new molecular strategies to tune the macromolecular properties of dynamic materials.

Boronic ester-based self-healing hydrogels formed by using intermolecular B-N coordination

Polymer ◽  
2020 ◽  
Vol 202 ◽  
pp. 122624
Author(s):  
Yusheng Liu ◽  
Yigang Liu ◽  
Qiuxia Wang ◽  
Yugui Han ◽  
Yebang Tan
Keyword(s):  
Self Healing ◽  
Boronic Ester

Stabilization of catechol–boronic ester bonds for underwater self-healing and recycling of lipophilic bulk polymer in wider pH range

2016 ◽  
Vol 4 (37) ◽  
pp. 14122-14131 ◽  
Author(s):  
Nan Nan Xia ◽  
Min Zhi Rong ◽  
Ming Qiu Zhang
Keyword(s):  
Quaternary Ammonium ◽  
Quaternary Ammonium Salts ◽  
Ammonium Salts ◽  
Self Healing ◽  
Bulk Polymer ◽  
Boronic Ester ◽  
Ph Range

Polyurethane crosslinked by catechol–boronic ester bonds with quaternary ammonium salts is allowed to self-heal and recycle in waters of pH 7 and 9.

Malleable and Self-Healing Covalent Polymer Networks through Tunable Dynamic Boronic Ester Bonds

2015 ◽  
Vol 137 (20) ◽  
pp. 6492-6495 ◽  
Author(s):  
Olivia R. Cromwell ◽  
Jaeyoon Chung ◽  
Zhibin Guan
Keyword(s):  
Polymer Networks ◽  
Self Healing ◽  
Boronic Ester

Covalently Cross-Linked Elastomers with Self-Healing and Malleable Abilities Enabled by Boronic Ester Bonds

2018 ◽  
Vol 10 (28) ◽  
pp. 24224-24231 ◽  
Author(s):  
Yi Chen ◽  
Zhenghai Tang ◽  
Xuhui Zhang ◽  
Yingjun Liu ◽  
Siwu Wu ◽  
...  
Keyword(s):  
Self Healing ◽  
Boronic Ester

scholarly journals Cellulose-based self-healing hydrogel through boronic ester bonds with excellent biocompatibility and conductivity

RSC Advances ◽  
2020 ◽  
Vol 10 (19) ◽  
pp. 11300-11310 ◽  
Author(s):  
Heng An ◽  
Yunyi Bo ◽  
Danyang Chen ◽  
Yong Wang ◽  
Haijun Wang ◽  
...  
Keyword(s):  
Ester Bond ◽  
Self Healing ◽  
Boronic Ester

Self-healing hydrogel with excellent biocompatibility and conductivity fabricated from cellulose through boronic ester bond.

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