Podcast
Questions and Answers
Reactive dyes are anionic dyes used for dyeing cellulose, protein, and polyamide fibers.
Reactive dyes are anionic dyes used for dyeing cellulose, protein, and polyamide fibers.
False (B)
Reactive dyes form hydrogen bonds with fiber polymers during the dyeing process.
Reactive dyes form hydrogen bonds with fiber polymers during the dyeing process.
False (B)
Textile materials dyed with reactive dyes have poor wash fastness due to weak bonds formed between the dye and fiber polymer.
Textile materials dyed with reactive dyes have poor wash fastness due to weak bonds formed between the dye and fiber polymer.
False (B)
Reactive dyes have excellent light fastness with a rating of about 6.
Reactive dyes have excellent light fastness with a rating of about 6.
Signup and view all the answers
The first three reactive dyes were PROCION YELLOWR, PROCION BRILLIANT RED 2B, and PROCION BLUE 3G.
The first three reactive dyes were PROCION YELLOWR, PROCION BRILLIANT RED 2B, and PROCION BLUE 3G.
Signup and view all the answers
Which type of fibers can be dyed using reactive dyes?
Which type of fibers can be dyed using reactive dyes?
Signup and view all the answers
What is the defining characteristic of a reactive dye?
What is the defining characteristic of a reactive dye?
Signup and view all the answers
What contributes to the good wash fastness of textile materials dyed with reactive dyes?
What contributes to the good wash fastness of textile materials dyed with reactive dyes?
Signup and view all the answers
What is the reason for the popularity of reactive dyes?
What is the reason for the popularity of reactive dyes?
Signup and view all the answers
What is the solubility characteristic of reactive dyes?
What is the solubility characteristic of reactive dyes?
Signup and view all the answers
