Research Article

Evaluation of Water Diffusion Mechanism on Mechanical Properties of Polypropylene Composites

Table 7

Water transport mechanism for produced composites.

Type of transportSlope ()Time dependenceComposites% range of water absorptions

Less Fickian diffusiont-1/2NB2, pure PP0-0.6
Fickian diffusiont1/2NB31.70-2.80
Non-Fickian (anomalous diffusion)tn-1KA1, NB13.5-7.8
Case II transport independentTimeKA2, NB42.89
Super Case II transporttn-1KA2, KA3, KA4, NB43.5-7.8