The results indicate that interrelationships do exist among the exhaustion rate of direct dye on viscose fibre, the iodine sorption value and fibre accessibility, and also the crystal length in the fibre structure.

• 结果表明,粘胶纤维对直接染料的上染率,与纤维吸碘值,即纤维可及度有关,且与纤维的结晶长度也有关。