Polyester type
Half dyeing time t
½
/min.
Dyeing rate constant (k)
Diffusion coefficient (D)
Untreated
60
510.790 × 10
-3
178.538
Treated
30
726.895 × 10
-3
212.863
Table 7:
Half dyeing time t
½
dyeing rate constant (k), and Diffusion coefficient (D) of pre-treated polyester dyed with the Reactive Red 24.
