Journal of Nanomaterials / 2016 / Article / Tab 4

Research Article

Reinforcement of Multiwalled Carbon Nanotube in Nitrile Rubber: In Comparison with Carbon Black, Conductive Carbon Black, and Precipitated Silica

Table 4

Mechanical properties of NBR vulcanizates.

PropertiesLoading (phr)MWCNTCCBCBPSi

Tensile strength (MPa)02.9 ± 0.372.9 ± 0.42.9 ± 0.42.9 ± 0.4
58.6 ± 0.14.3 ± 0.14.1 ± 0.23.6 ± 0.4
1012.9 ± 0.49.1 ± 0.25.3 ± 0.53.8 ± 0.2
1517.7 ± 0.514.6 ± 0.68.5 ± 1.55.3 ± 0.3

Elongation at break (%)0182 ± 14182 ± 14182 ± 14182 ± 14
5176 ± 2196 ± 3202 ± 10210 ± 17
10178 ± 3244 ± 2217 ± 14220 ± 1
15171 ± 6277 ± 6231 ± 14218 ± 10

Modulus at 100% (MPa)01.73 ± 0.041.73 ± 0.041.73 ± 0.041.73 ± 0.04
55.04 ± 0.091.93 ± 0.021.82 ± 0.101.79 ± 0.06
107.49 ± 0.562.47 ± 0.071.79 ± 0.051.75 ± 0.06
1511.28 ± 0.353.30 ± 0.272.15 ± 0.102.30 ± 0.12

Hardness (Shore A)053.3 ± 0.353.3 ± 0.353.3 ± 0.353.3 ± 0.3
561.8 ± 0.356.0 ± 0.055.3 ± 0.354.8 ± 0.8
1069.0 ± 0.561.7 ± 0.656.5 ± 0.956.8 ± 1.0
1569.3 ± 0.865.5 ± 0.558.2 ± 0.359.9 ± 0.8

Heat build-up (°C)07.5 ± 0.77.5 ± 0.77.5 ± 0.77.5 ± 0.7
511.5 ± 0.79.0 ± 0.08.0 ± 0.08.0 ± 0.0
1018.5 ± 0.714.0 ± 0.09.0 ± 0.09.0 ± 0.0
1529.0 ± 1.421.0 ± 0.010.5 ± 0.710.0 ± 0.0

Abrasion loss (mm3)0250.7 ± 10.8250.7 ± 10.8250.7 ± 10.8250.7 ± 10.8
582.0 ± 12.791.4 ± 10.0188.2 ± 4.7171.2 ± 25.0
1054.2 ± 3.754.9 ± 3.1132.6 ± 12.6155.7 ± 8.8
1548.0 ± 2.653.3 ± 1.390.8 ± 6.3127.7 ± 9.9