Effect of Aging on the Rheological and Molecular Weight Distribution of Asphalt Binder Treated with Polyphosphoric Acid

Figure 6

Aging ratio for polymer modified binders at different temperatures: (a) 20°C, (b) 30°C, (c) 40°C, (d) 50°C, and (e) 60°C.

(a)

(b)

(c)

(d)

(e)