Evaluation of the Physical Performance and Working Mechanism of Asphalt Containing a Surfactant Warm Mix Additive

Table 9

IR characteristic absorption peaks of base asphalt, warm mix additives, and warm mix asphalt.

IR absorption peaks (cm)	Warm mix additives	Base asphalt	Warm mix asphalt
3383^−1	●
3007^−1	●
2920^−1	●	●	●
2850^−1	●	●	●
1739^−1	●
1620^−1	●
1600^−1		●	●
1465^−1	●
1450^−1		●	●
1420^−1	●
1380^−1		●	●
1364^−1	●
1300^−1		●	●
1210^−1	●
1173^−1	●
1050^−1	●
1030^−1		●	●
966^−1	●	●	●
913^−1	●
900^−1		●	●
858^−1	●
810^−1		●	●
720^−1	●	●	●