Antiaging Property and Mechanism of Phase-Change Asphalt with PEG as an Additive

<div>Two-dimensional (2D) AFM pictures of unaged A-70 base asphalt (a), unaged 10% PEG-modified asphalt (b), RTFOT aged A-70 base asphalt (c), RTFOT aged 10% PEG-modified asphalt (d), PAV aged A-70 base asphalt (e), and PAV aged 10% PEG-modified asphalt (f).</div>

Advances in Materials Science and Engineering

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Figure 6

Figure 6: Antiaging Property and Mechanism of Phase-Change Asphalt with PEG as an Additive 