Research Article

Comparative Investigation on the Properties and Molecular Mechanisms of Natural Phenolic Compounds and Rubber Polymers to Inhibit Oxidative Aging of Asphalt Binders

Table 1

Chemical information for molecular IDs in Figure 1 and their proportion in the asphalt model.

ComponentMolecular IDChemical nameNumber in the asphalt model

Asphaltenesa11-pyrrole2
a22-phenol3
a33-thiophene3

Polar aromaticspa11-pyridinohopane4
pa22-quinolinohopane4
pa33-benzobisbenzothiophe15
pa44-trimethylbenzeneoxane5
pa55-thioisorenieratane4

Naphthene aromaticsna11-PHPN11
na22-DOCHN13

Saturatess11-squalane4
s22-hopane4

Antiaging modifiersSBR—2
Catechin—10