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

Figure 5

Effect of aging on the viscoelasticity proportion for binders of different dosages: (a) 1 wt% PPA, (b) 1.5 wt% PPA, (c) 1 wt% PPA + 3.5 wt% SBS, (d) 1.5 wt% PPA + 3.5 wt% SBS, and (e) 3.5 wt% SBS.

(a)

(b)

(c)

(d)

(e)