Reactive dyes have a reactive group that reacts with fiber molecules. In this context, we will talk about the properties of reactive dyes.
Properties of Reactive Dyes areas:
- It contains a group that reacts with hydroxyl in cellulose.
- Make the covalent bond with fiber and become a part of the fiber.
- A certain amount of Dye is hydrolyzed by water during Dyeing.
- Dying is carried out in alkaline conditions (PH=11.5).
- The electrolyte is necessary for the level of dying.
- Fastener properties are good.
Striping is used to dye remove from faults in Dyeing fabric
Azo group is removed.
- Partial Striping: treating the fabric with Acetic Acid or formic acid
Acetic Acid equal to 5 to 10%
formic acid 2.5 to 10%
Temperatures 7 to 200 degrees centigrade
Time until the desired shade is obtained
- Full Stripe: treated with hydro’s at a 100-degree
Sodium hydrosulfite
Then wash off.
Mahedi Hasan is a Textile Engineer, as well as a Top Rated content writer at Upwork, a Level 02 Seller at Fiverr, Level 02 Publisher at Ezoic. A passionate textile and fashion content writer, fashion SEO expert, and fashion web designer. Having a B.Sc. in Textile Engineering Degree from Textile Engineering College, Noakhali (TECN). The department is Apparel Engineering. Highly Experienced fashion writer for the last 3+ years. Have extensive 7 years of experience in the wholesale clothing business.