Comparative Effects of MMT Clay Modified with Two Different Cationic Surfactants on the Thermal and Rheological Properties of Polypropylene Nanocomposites

Table 2

Rheological parameters of PP and its nanocomposites.

Sample	Crossover modulus; MPa	Crossover frequency; (rad/s) [Hz]	Relaxation time; (s)	Complex viscosity (Pa·s)
				0.1; (rad/s)	1; (rad/s)	10; (rad/s)	100; (rad/s)
PP	26.76	15.86 [2.52]	0.39	11576	7130	2985	837
PP-AMMT1.25	26.25	14.16 [2.25]	0.44	12391	7546	3108	853
PP-AMMT2.50	26.70	14.60 [2.30]	0.43	12653	7726	3175	861
PP-AMMT5.00	27.29	14.41 [2.29]	0.44	12864	7797	3203	884
PP-IMMT1.25	26.18	15.34 [2.44]	0.41	11496	7124	2974	838
PP-IMMT2.50	26.48	14.78 [2.35]	0.42	11984	7298	3109	858
PP-IMMT5.00	26.91	14.64 [2.33]	0.43	11948	7376	3154	885