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 (kJmol−1)

Ea stress–relaxation (kJmol−1)

Uncatalysed

73±12

81±3

pTsOH

73±3

70±4

DBTL

45±7

31±10

TBD

102±3

122±19