Fig. 20

The logarithmic relationship between the FTIR aging index and the τ parameter of the 2S2P1D model for (a) 40–50; (b) 60–70; and (c) 85–100 base binder samples.

The logarithmic relationship between the FTIR aging index and the τ parameter of the 2S2P1D model for (a) 40–50; (b) 60–70; and (c) 85–100 base binder samples.