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

We describe the use of tunable rates of boronic ester transesterification to tune the malleability and self-healing efficiencies of bulk materials

Olivia R. Cromwell; Jaeyoon Chung; Zhibin Guan

2015

Scholarcy highlights

  • Despite numerous strategies involving dynamic covalent bond exchange for dynamic and self-healing materials, it remains a challenge to be able to tune the malleability and self-healing properties of bulk materials through simple small molecule perturbations
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  • We describe the use of tunable rates of boronic ester transesterification to tune the malleability and self-healing efficiencies of bulk materials
  • The sample cross-linked with fast-exchanging diboronic ester showed enhanced malleability and accelerated healing compared to the slow-exchanging variant under the same conditions
  • Our report demonstrates the possibility of transferring small molecule kinetics to dynamic properties of bulk solid material and may serve as a guide for the rational design of tunable dynamic materials
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