FABRIC COLOURATION (THEORY)

Paper Code: 
CFSD 501
Credits: 
03
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

1. Developing foundation towards application of dyes on different fabrics

2. To provide comprehensive knowledge about concept of various dyeing & printing methods

9.00
Unit I: 
Preparatory Processes
  • Importance and application of different preparatory processes
    • Desizing
    • Scouring
    • Bleaching
    • Boiling
    • Singeing
    • Mercerization
9.00
Unit II: 
Dyeing

 

  • Terminology and theory of dyeing
  • Classification of dyes
  • Principles of dyeing
  • Mode of application of direct, acid, basic, azoic, reactive, sulphur, vat, mordant and disperse dyes
  • Methods of dyeing & effects achieved on various textile material Fibre, Yarn, and  Fabric
  • Achieving different shade effects on fabrics through cross dyeing, union dyeing
  • Methods  of colour fastness
9.00
Unit III: 
Printing
  • Styles of printing – direct, discharge, resist, dyed
  • Methods of printing
    • Block printing
    • Roller printing
    • Stencil, screen (flat and rotary) printing
    • Transfer printing
    • Innovative printing methods: Digital printing , Polychromatic printing, Photo Printing, Jet Spray Printing
9.00
Unit IV: 
After Treatment & Auxiliaries

 

  • Fixation of prints: Ageing, Steaming, Baking, Wet development
  • Washing of printed goods
  • Auxiliaries
  • Wetting agents, dispersing agents and solvents
  • Hygroscopic agents
  • Anti foaming agents
  • Oxidizing and reducing agents
  • Carriers or Swelling agents
  • Retarding or Levelling agents
  • Chelating or Sequestering agents
  • Dye fixing agents
    • Binders and thickeners
  • Fabric defects in Dyeing and printing
9.00
Unit V: 
Finishing

 

  • Classification of finishes
  • Preparatory finishes
  • Finishes affecting appearance and texture: Calendering,  Napping, Shearing, Softening, Stiffening, Parchmentization, Raising, Mercerization
  • Finishes for enhancing special characteristics: Flame proofing, Soil Release, Water proof and water repellent, Crease Resistance, Softening,  Sanforising, Optical whitening
Essential Readings: 
  1. Prayag, R.S., Technology of Textile Printing, Dharwad Karnataka.
  2. Prayag, R.S., Textile Finishing, Shree J Printers
  3. Shenai, V.A., Chemistry of Dyes and Principles of Dyeing, Sevak Prakashan, Mumbai, 1987.
  4. Shenai, V.A., Technology of Printing, Technology of Textile Processing, Vol. IV, Sevak Publications. Bombay 1996
  5. Gohl and Vilensky, Textile science, 2nd ed., CBS Publications, New Delhi.
  6. Hemalatha, Jain, Techniques of dyeing and printing, Anne books Pvt. Ltd, New Delhi.
  7. Sekhri, Seema, Text  Book of Fabric Science fundamentals to Finishing, PHI Learning Pvt, Ltd, New Delhi, 2011.
  8. Miles L.W.C.(1994), Textile Printing, 2nd edition, England, Society of Dyers and Colourists
  9. Joseph, M.L., Essential of Textiles (5th edition) Holf, Rinecharts and Winston Publication, Florida 1988.
References: 

 

 

  1. Tortman, E. R., Dyeing and Chemical technology of textile fibers, Charles griffin and corporation Ltd, England.
  2. Kadolph, Sara, J. & Langford, Anna L., Textiles, 11th Edition, Pearson Education (US), 2010
  3. Marsh, J. T., Textile science, B. I. Publishing, Mumbai.
  4. Clark, W., Introduction to Printing, Boston, Butterworth, Newness London,
  5. Chaudhary, A. K. Roy, Textile Processing and dyeing, Scienec pulications, New Delhi.
  6. Fereday Gwes, Natural Dyes, The British Museum Press.
  7. Hall, A. J., The standard handbook of textiles, 8th ed., woodhead publishing Ltd, Cambridge England, 1975.
  8. Norma Hollen, Jane Saddler, Anne L. Langford & Sara J. Kadolph, Textiles,6th ed., Macmillian Publication, New York 1988.
  9. Joseph J. Pizzuto, Fabric science, 5th ed., Fairchild publication, New York 1987.
Academic Year: 
2019-20
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