Yaa Surgical Operation Analysis Of Denim Garments Past Times Bleach Launder (Part-6)

Performance Analysis of Denim Garments yesteryear Bleach Wash (Part-6)

Authors: Md. Anwarul Haque¹
Ariful Hassan²
Shantonu Paul Shuvra
Md. ShagorHossain
Textile Engineering College, Begumgonj, Noakhali.
Email: haquebd2014@gmail.com¹ , arifulhassan034@gmail.com²

Previous Part

EXPERIMENTAL

Washing of the denim
Washing of the denim drive it to fade which outcome its unique look. There are at to the lowest degree 3 key argue that indigo dyed denim washes downward to gain lighter in addition to to a greater extent than attractive shades during washing.

The outer to a greater extent than heavy dyed yarn surface loses dyed through abrasion yesteryear stones, enzymes in addition to chemic effect.

Denim washing

Indigo dye has intrinsic chemic instability to potent oxidizing agent such every bit chlorine bleach.

Some of the un-dyed fiber inward the interior of the yarn migrates to the yarn surface diluting the color of the yarn.

There are 2 procedure involved inward denim washing:

DRY PROCESS
WET PROCESS

DRY PROCESS
It is called Dry Process because all the processes which are listed below is done inward dry out condition, inward the other says nosotros don’t role whatever chemic including H2O inward this process.

Following procedure are carried out inward DRY process. Which are listed below:
1. Brushing
2. Hand whisker
3. Grinding

Hand Grinding
Wheel Grinding

4. Tagging
5. Clipping

WET PROCESS
It is called moisture procedure because inward this agency nosotros role sure enough chemicals to obtain a desired result.

Following procedure are carried out inward moisture process. Which are listed below:

De-sizing
Bleaching
Neutralization
Softening
Hydro-extractor
Drying

Working Place

HAMS Washing in addition to Dyeing
Bangladesh University Of Textile
Textile Engineering College, Noakhali

Raw Materials used for bleaching
The raw materials for making household bleach are chlorine, caustic soda, in addition to water. The chlorine in addition to caustic soda are produced yesteryear putting straight electrical flow electricity through a sodium chloride tabular array salt solution inward a procedure called electrolysis. Sodium chloride, mutual tabular array salt, comes from either mines or secret wells. The tabular array salt is dissolved inward hot H2O to shape a tabular array salt solution, which is in addition to thence treated for impurities earlier it is reacted inward the electrolytic cell.

Machine names which are used inward washing found