Studies on the Transport of Aromatic Solvents through Filled Natural Rubber

Table 2

Values of diffusion coefficients (𝐷) for snail shell powder filled natural rubber at different temperatures (filler particle sizes 0.075 and 0.300 μm).

Solvent	Filler content (g)	𝐷×10^−5 (cm^2/sec)			𝐷×10^−5 (cm^2/sec)
		0.075 μm			0.300 μm
		313 K	333 K	353 K	313 K	333 K	353 K
	2	4.38	3.53	3.23	4.84	3.71	3.05
	5	4.07	3.90	2.97	4.67	3.67	3.26
Benzene	10	4.20	3.39	2.65	4.38	3.94	3.54
	15	4.41	4.10	2.51	5.17	3.81	2.98
	20	4.38	3.33	2.57	4.07	3.47	2.86
	2	4.47	4.39	3.47	4.94	3.89	3.34
	5	4.84	4.33	3.34	4.74	3.83	3.06
Toluene	10	4.11	3.49	3.23	4.86	3.64	3.33
	15	4.47	4.17	3.41	4.41	3.80	3.24
	20	4.53	3.79	3.57	4.83	3.98	2.28
	2	4.59	3.86	4.26	4.71	4.29	3.74
	5	4.07	3.93	4.02	4.37	4.29	3.29
Xylene	10	4.37	4.24	3.87	4.70	4.29	3.38
	15	4.68	4.52	4.14	4.77	4.09	3.49
	20	4.45	4.12	3.92	4.48	4.65	3.24