Table 1 Overview of the activation energies from the model compound study and stress–relaxation experiments of the vitrimer elastomers.
From: Chemical control of the viscoelastic properties of vinylogous urethane vitrimers
Catalyst | Ea model reactions (kJ mol−1) | Ea stress–relaxation (kJ mol−1) |
---|---|---|
Uncatalysed | 73±12 | 81±3 |
pTsOH | 73±3 | 70±4 |
DBTL | 45±7 | 31±10 |
TBD | 102±3 | 122±19 |