fig12

Figure 12. (A) Schematic diagram of biscaled, hierarchical interface interaction between PU and MPDA nanospheres; (B) Molecular chain model of PU and PDA, and visual representation of cells simulating equilibrium states of PU elastomers and PDA polymers. The marked dashed boxes indicate the hydrogen bond interactions extracted between PU and PDA. (A and B) are reprinted with permission from Ref.^[65]. Copyright 2025. Licensed under CC BY 4.0; (C) Schematic illustration of proposed supramolecular networks formed by multiple hydrogen bonds, integrated with a nanostructured conductive network of CNTs within ENR latex microspheres. (C) is reprinted with permission from Ref.^[66]. Copyright 2023. Licensed under CC BY 4.0. PU: Polyurethane; MPDA: mesoporous polydopamine; PDA: polydopamine; CNTs: carbon nanotubes; ENR: epoxy natural rubber; C-CNC: carboxylated cellulose nanocrystals; CT: chitosan.