10 Questions
Which type of dye is capable of reacting chemically with a substrate to form a covalent dye substrate linkage?
Reactive dye
What type of bond is formed between reactive dye molecules and the terminal hydroxyl group of cellulosic fibers?
Covalent bond
Why are reactive dyes popular?
Good washing fastness
What rating is given to the light fastness of reactive dyes?
Rating 6
Which fiber is reactive dye commonly used on?
Cotton
Which group in the reactive dye molecule forms a covalent bond with the terminal -OH group of cellulosic fibers?
Reactive group
What is the main reason why reactive dyes are popular?
Good color fastness
Which fiber is reactive dye commonly used on?
Cotton
What type of bond is formed between the dye molecules and the terminal -NH2 group of polyamide or wool fibers?
Covalent bond
What rating is given to the washing fastness of reactive dyes?
4-5
Test your knowledge on wet processing technology and reactive dyes with this informative quiz. Learn about the chemical reactions involved and how reactive dyes form covalent bonds with fibers.
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