Research on Rejuvenation of Styrene-Butadiene-Styrene Block Copolymer Modified Asphalt with Rejuvenating Agent Based on Pre-Mixing Method

Table 8

Effect of rejuvenating agent content on regenerated asphalt.

Rejuvenating agentcontent, %	Ductility at 5°C, cm	Rotation viscosity, Pa.s		Penetration, 0.1 mm			Softening point, °C
		135°C	163°C	15°C	25°C	30°C
0	4.6	3.451	0.682	20.6	39.5	65.7	72.6
4	24.9	2.765	0.583	22.7	50.3	75.2	59.0
8	32.4	2.016	0.433	30.5	69.3	92.9	55.7
12	34.5	1.534	0.353	36.4	78.1	122.6	54.6
16	35.8	1.224	0.273	45.9	108.1	160.1	44.7
100	—	0.727	—	—	—	—	—