​Group publishes research results in Advanced Functional Materials

Group publishes research results in Advanced Functional Materials

Elastomer synthesis process

Elastomer performance

a) Stress-strain curves of PU-SS and PU-SS-UTCNF elastomers; b) Tensile hysteresis curve; (c) The first and tenth cycles of PU-SS-TCNF₃ under 100% strain and the 11th cycle after 10 minutes of relaxation; d) Continuous cyclic tensile curve of PU-SS-UTCNF₃; (e) Loss factor and (f) crosslinking degree of PU-SS and PU-SS-UTCNF films

a) PU, PU-SS-UTCNF₂, PU-SS-UTCNF₃ surface scratch self-healing test; b) Stress-strain curves of PU-SS-UTCNF₃ at different times; c) Structural evolution during self-healing process of cut samples

Fig. 4: Stress relaxation curves of a) PU-SS, b) PU-SS-UTCNF2, c) PU-SS-UTCNF2 R2 at different temperatures; d) Linear fitting of the logarithm of relaxation time and the reciprocal of temperature of PU-SS, e) PU-SS-UTCNF2, f) PU-SS-UTCNF2R2; g) Reprocessing structure reorganization mechanism of PU-SS-UTCNF.

a) Schematic diagram of the reprocessing of polyurethane elastomers; b) The anti-damage performance of polyurethane elastomers; c) Stress-strain curves of PU-SS and PU-SS-TCNF films after secondary processing; D) tensile strength of PU-SS R2 and PU-SS-TCNF R2 elastomers; e) Elongation at break; f) Crosslinking degree; g) Young's modulus; h) Resilience

A) XRD curves and (b)/(c) FTIR spectra of PU-SS, PU-SS-UTCNF3, and PU-SS-UTCNF3 under tensile state; (d) 2D SAXS scattering patterns of PU-SS, (e) PU-UTCNF3, (f) PU-SS-UTCNF3, (g) PU-SS-UTCNF3R2; 2D SAXS scattering patterns of (d1) PU-SS, (e1) PU-UTCNF3, (f1) PU-SS-UTCNF3, (g1) PU-SS-UTCNF3 R2 at 500% strain; (h) Strengthening of PU-SS-UTCNF

a) Schematic diagram of the process for preparing scratch detection electrical sensors using screen printing method; b) The conductive closed circuit restores conductivity after cutting and healing of the elastic body; c) Three resistance changes of the sensor at the same scratch position; The cyclic sensing performance of PU-SS-UTCNF R2 under different motion modes: d) stretching; e) Bending; f) Touch

Article links：https://doi.org/10.1002/adfm.202213294