background image
TRANSPORT ACTIVATION:SWELLING KINETICS
C. Sammona, J. Yarwooda, N. Everall (2000). Polymer 41 (2000) 25212534
Kinetics
Transport equation : diffusion + relaxation (Brochard et de Gennes, 1992)
( )
( )
-
=
x
C
E
x
C
C
D
x
t
C
solvent influx is related to an elastic-like stress opposing to solvent penetration