International Journal of Polymer Science / 2017 / Article / Tab 3 / Research Article
Use of TBzTD as Noncarcinogenic Accelerator for ENR/SiO2 Nanocomposites: Cured Characteristics, Mechanical Properties, Thermal Behaviors, and Oil Resistance Table 3 Mechanical properties and % retention of NR, ENR 40, and ENR 40/nSiO2 nanocomposites.
Mechanical properties NR ENR 40 ENR 40/nSiO2 100/1 100/2 100/3 Tensile strength Before aging (MPa) 13.4 ± 0.7 4.5 ± 0.5 9.7 ± 0.4 13.5 ± 0.4 10.9 ± 0.4 After aging (MPa) 8.8 ± 0.5 3.5 ± 0.6 7.9 ± 0.8 11.3 ± 1.1 9.5 ± 0.3 Retention (%) 65.7 77.8 81.4 83.7 87.2 M300 Before aging (MPa) 2.4 ± 0.2 1.4 ± 0.2 1.7 ± 0.2 2.2 ± 0.2 2.0 ± 0.1 After aging (MPa) 1.8 ± 0.2 1.2 ± 0.1 1.5 ± 0.1 2.0 ± 0.2 1.9 ± 0.1 Retention (%) 75 85.7 88.2 90.9 95 Elongation at break Before aging (%) 949.0 ± 26.3 735.5 ± 78.5 906.5 ± 30.1 975.8 ± 38.1 820.3 ± 29.2 After aging (%) 739.6 ± 42.5 692.7 ± 25.1 864.4 ± 24.5 941.5 ± 26.8 808.2 ± 15.5 Retention (%) 77.9 94.2 95.4 96.5 98.5 Tear strength Before aging (N/mm) 4.6 ± 0.1 3.7 ± 0.2 3.9 ± 0.3 4.4 ± 0.2 3.9 ± 0.2 After aging (N/mm) 4.0 ± 0.2 3.4 ± 0.1 3.7 ± 0.1 4.2 ± 0.2 3.8 ± 0.1 Retention (%) 87 91.9 94.9 95.4 97.4