Learning Objectives
Identify 2 methods by which reactive dyes interact with cellulose fibres
Understand the chemical mechanism of these reactions
Relate reaction chemistry to the wet fastness of reactive dyes

Questions
1. State the two mechanisms by which reactive dyes form covalent bonds with cellulose
2. Describe these mechanisms, giving 1 example of each. The answer should demonstrate knowledge of the chemical structure of reactive groups on both the dye and the fibre.