Mechanical Properties of Natural Rubber Nanocomposites Filled with Thermally Treated Attapulgite

Table 5

Mechanical properties of the NR/PAT nanocomposites.

Sample	Stress at 300%; (MPa)	Elongation at break; (%)	Tensile strength; (MPa)	Shore hardness; (SHA)	Abrasion volume; (cm^3)
NR	1.60±0.04	592±18	15.45±0.51	46±1	1.155±0.013
NR/PAT-0.5%	1.64±0.05	415±15	19.34±0.56	46±1	0.723±0.015
NR/PAT-1%	2.07±0.07	432±15	23.27±0.45	50±2	0.659±0.014
NR/PAT-3%	1.59±0.07	431±16	21.23±0.52	47±1	0.765±0.015
NR/PAT-5%	1.68±0.05	427±17	20.40±0.63	50±1	0.812±0.016
NR/PAT-10%	1.39±0.06	425±14	16.69±0.46	46±2	1.061±0.017
NR/PAT-450-0.5%	2.44±0.07	397±16	24.45±0.45	52±2	0.235±0.012
NR/PAT-450-1%	2.53±0.08	418±14	29.69±0.41	54±1	0.043±0.009
NR/PAT-450-3%	2.84±0.07	397±18	26.60±0.33	54±1	0.333±0.012
NR/PAT-450-5%	3.86±0.08	356±14	25.03±0.57	58±2	0.336±0.011
NR/PAT-450-10%	3.15±0.08	354±17	23.27±0.64	54±2	0.340±0.012
NR/PAT-850-0.5%	1.85±0.05	466±18	23.45±0.53	50±1	0.324±0.013
NR/PAT-850-1%	2.03±0.05	481±13	28.63±0.47	51±2	0.135±0.012
NR/PAT-850-3%	1.96±0.05	452±17	25.21±0.66	51±1	0.429±0.014
NR/PAT-850-5%	2.20±0.07	434±18	24.04±0.35	52±2	0.438±0.013
NR/PAT-850-10%	1.33±0.07	412±15	19.93±0.57	47±1	0.954±0.015