Fig. 4
From: Bonding dissimilar polymer networks in various manufacturing processes
The kinetics of silane coupling agents in PAAm and PDMS. a The modulus of the PAAm hydrogel changes with time as the coupling agents condensate. The amount of coupling agent does not affect the initial modulus, but affects the modulus after condensation. b The rate of condensation of trimethyloxysilane inside a hydrogel depends on pH. c The modulus of the PDMS elastomer does not change with time, but decreases as the amount of coupling agent increases. d PDMS with different amounts of TEOVS is sealed in a Petri dish with drops of distilled water and kept at 65 °C in an oven. The modulus does not change over time (n = 3)
