Effect of Material Composition on Cohesion Characteristics of Styrene-Butadiene-Styrene-Modified Asphalt Using Surface Free Energy

Table 1

Properties of neat asphalts.

Performance	Unit	Binder A	Binder B	Binder C
Penetration (25°C, 100 g, 5 s)	0.1 mm	85.5	84.3	87.6
Softening point (ring ball method)	°C	45.6	48.7	47
Ductility (5 cm/min, 15°C)	cm	>100	>100	>100
Residue after aging under rotary film oven (163°C, 85 min)
Loss of quality	%	0.07	0.18	0.12
Penetration ratio	%	70	64	61
Ductility (5 cm/min, 10°C)	cm	9.0	6.5	8.0