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

Table 7

Surface free energy of SBS-modified asphalts.

Asphalt type	Surface energy and its components
	Surface free energy	Dispersion component	Polar component
Binder A	18.47	17.17	1.30
Binder B	18.84	18.06	0.77
Binder C	15.10	14.00	1.10
Binder A + linear SBS	22.14	21.96	0.18
Binder B + linear SBS	19.60	17.40	2.20
Binder C + linear SBS	19.68	18.39	1.29
Binder A + branched SBS	23.38	22.63	0.74
Binder B + branched SBS	22.12	20.74	1.38
Binder C + branched SBS	21.10	20.14	0.96
Binder A + 3.5% SBS	18.93	16.58	2.35
Binder A + 4.0% SBS	20.15	18.49	1.66
Binder A + 4.5% SBS	22.14	21.96	0.18
Binder A + 5.0% SBS	24.12	23.27	0.85
Binder A + 0% extraction oil	18.84	16.75	2.09
Binder A + 2.5% extraction oil	20.89	19.02	1.88
Binder A + 3.5% extraction oil	22.14	21.96	0.18
Binder A + 4.5% extraction oil	20.91	18.66	2.25
Binder A + 0% stabilizer	18.12	15.87	2.25
Binder A + 0.1% stabilizer	19.72	17.30	2.42
Binder A + 0.2% stabilizer	22.14	21.96	0.18
Binder A + 0.3% stabilizer	23.89	22.68	1.21