A Toughening and Anti-Counterfeiting Benzotriazole-Based High-Performance Polymer Film Driven by Appropriate Intermolecular Coordination Force

It is of great significance to circumvent the inherent trade-off between strength and extensibility for epoxy resins. Herein dynamic Cu-benzotriazole cross-links are incorporated, as the appropriate intermolecular coordination interaction, into high performance epoxy networks, and the resulting epoxy resins exhibits outstanding thermal stability and mechanical properties, their strength and extensibility are simultaneously improved. Additionally, local manipulation of coordination crosslinking confers the film with anti-counterfeiting function.

Automated summary

By incorporating dynamic Cu-benzotriazole cross-links into high performance epoxy networks, this study successfully circumvents the inherent trade-off between strength and extensibility for epoxy resins, resulting in outstanding thermal stability and mechanical properties of the epoxy resins, while also imparting anti-counterfeiting function through local manipulation of coordination crosslinking.