Table 6.

Estimated parameters for diffusion coefficient and its kinetics.

Samples ID	D (m2/s)	Parameter k	Parameter n
PE	4.0 × 10−12	0.00003	1.0000
PE6W	3.2 × 10−12	0.0004	0.4792
PE6K	2.5 × 10−12	0.0004	0.4342
PE6F	3.2 × 10−12	0.0004	0.5633
PE6B	7.8 × 10−13	0.00004	0.3001
PE12W	3.5 × 10−12	0.0005	0.5155
PE12K	3.2 × 10−12	0.0007	0.5606
PE12F	3.1 × 10−12	0.0005	0.4854
PE12B	5.8 × 10−12	0.0003	0.7102