Learning Objectives
Recall the dyeing profiles for the different categories of reactive dyes
Compare and contrast their different dyeing profiles and processes
Evaluate the use of reactive dyes in terms of product quality, economics and environmental impact

1. State the pH required for fixation of the dye to cellulose
2. Draw and label a typical dyeing profile for the application of heterobifunctional reactive dyes
3. Compare the pad dry bake and the pad dry steam methods of dyeing with reactive dyes
4. Evaluate the advantages and disadvantages of reactive dyes from both product quality and economic stand points