TEXTILE PROCESSING (THEORY)

Paper Code: 
DHSC 513 (C)
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

To impart knowledge about dyeing and printing techniques given on fabrics.

To acquaint the students with various techniques of surface finishes on textile

12.00
Unit I: 
Pretreatments
  • Pretreatment given to fabric: seinging, scouring, de-sizing, bleaching
  • Terminology and theory of dyeing
  • Auxillaries used in dyeing and printing

Wetting agents, dispersing agents and solvents

Hygroscopic agents

Anti foaming agents

Oxidizing and reducing agents

Carriers

Binders and thickeners

12.00
Unit II: 
Dyeing
  • Classification of dyes
  • Chemistry and mode of application of direct, acid, basic, azoic, reactive, sulphur, vat, mordant and disperse dyes

 

12.00
Unit III: 
Printing
  • Methods of printing
    • Block printing
    • Flat plate and roller printing
    • Stencil, screen(flat and rotary) printing
    • Transfer printing

Innovative printing methods: Digital printing etc

12.00
Unit IV: 
unit IV
  • Styles of printing – direct, discharge, resist, dyed
  • Fixation of prints: Ageing, Steaming, Baking, Wet development
  • Washing of printed goods

 

12.00
Unit V: 
Finishing
  • Definition, Importance of finishing
  • Classification of finishes
  • Preparatory Process- Desizing, Scouring and Bleaching
  • Mechanical finishes- Sizing, Singeing, Mercerization, Napping, Embossing,    Calendaring,
  • Functional finishes- Wrinkle resistant, Water-resistant and repellent, Flame Retardant, Soil Repellant, Mothproof and Anti static.
  • Bio Finishes

 

Essential Readings: 
  1. Corbman, P. B., Textiles-Fiber to Fabric, Gregg Division/ McGraw Hill Book Co. US. 1985..
  2. Dhantyagi S., Fundamentals of textiles & their care, Orient Longman limited  New Delhi.
  3. Lyle, Dorthy S. et.al., Contemporary clothing, Benett & Mc Knight publishing company Peorie
Academic Year: 
2018-2019
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