. 2018 Jul 20;6:240. doi: 10.3389/fchem.2018.00240

Table 1.

The comparison between SSBR composites and our prepared super elastomer material on mechanical properties.

	SSBR composites^a)	HTSSBR-PU
Tensile strength /MPa	16.1	22.3 (+38.5%)
Elongation at break/%	365	481 (+31.8%)
Tensile stress at 300%/MPa	12.9	15.1 (+17.1%)
Tear strength /kN·m⁻¹	40.6	45.8 (+12.8%)
Compression heat build-up/°C	20.9	16.2 (−22.5%)
Akron abrasion loss /mm³	74.0	10.8 (−85.4%)
60°C tan δ(strain 7%, frequency 10 Hz)	0.130	0.075 (−42.3%)
Pendulum-type friction coefficient	24	29 (+20.8%)

^a)

Formulas of contrast sample SSBR composites are shown as follows: SSBR 96.3, BR 30.0, Silica 70.0, Bis [3-(triethoxysilyl)propyl] tetrasulfide (TESPT) 6.3, Stearic acid (SA) 2.0, ZnO 3.5, N-tert-Butyl-2-benzothiazolesulfenamide (TBBS) 2.0, diphenyl guanidine(DPG) 2.0, N-1,3-dimethylbutyl-N′-phenyl-p-phenylenediamine (Antioxidant 4020) 1.0, S 1.7.