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Dyeing and Printing [1]

Paper Code: 
HCT 223
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

This course will enable the students to-

  1. To impart the knowledge about preparation of fabric for dyeing & printing.
  2. To study application of various dyes and properties related to it.
  3. To inculcate awareness of the different methods of printing and appreciate the technical advantages of each.
  4. To develop technical competency in printing with different dyes on different fabrics.

 

Course Outcomes (COs):

Course

Learning Outcomes                      (at course level)

Learning and Teaching Strategies

Assessment Strategies

Paper Code

Paper Title

 

 

 

HCT 223
 
 
 
 
Dyeing and Printing

(Theory)

 

The students will be able to –

COCT43: Develop the concept of colour and instruments for measurements of color

COCT44:Outline the process of dyeing of various fibers with different dyes

COCT45:Develop understanding the mechanism of various printing techniques with different dye medium

COCT46:Describe the various methods of pre-treatments of fabric for dyeing and printing

Approach in Teaching:

Discussion, Interactive Lectures, Power Point Presentation, Demonstrations

Learning Activities for the Students:

Self-Learning Assignments

Quiz, Power Point Presentations, Chart/Poster Presentation, Individual and Group Projects, Semester End Examination

 

 

 

9.00
Unit I: 
Dyeing Preparation of Fabric:
  • Pre-treatment’s of fabric for Dyeing and Printing – scouring, bleaching, singeing,  desizing.              
  • Specific preparatory steps for cotton, wool, silk and man-made fibers.

 

12.00
Unit II: 
Dyeing Mechanism

  • Dye, classification of dyes, Chemical constitution of dyes

  • ·Theory of Dyeing

  • Dyeing with synthetic dyes.
    • Direct, vat, reactive sulphur, Azoic (for cellulosic)
    • Acid, basic (for proteins)
  • Stages of dyeing – fiber dyeing, yarn dyeing, fabric dyeing, garment dyeing, their advantages and disadvantages.
  • Union dyeing and cross dyeing.
  • Dyeing defects and remedies.

 

8.00
Unit III: 
Color
  • Introduction of colour – colour & colour mixing
  • Colour Perception

  • Instruments for measurements of color

  • Defective colour vision

 

8.00
Unit IV: 
Printing
  • Introduction to Printing, difference between dyeing and printing.
  • Historical development of printing methods – block, screen, stencil, roller and rotary.
  • Preparation of printing paste – Thickening agents and their suitability for various classes of dyes and fibers.

 

8.00
Unit V: 
Printing Procedure
  • Styles of Printing – Direct, resist, discharge.
  • Special Printing Procedures – Transfer Printing, Flock Printing, Foam Printing, Damask Printing.

 

 

Essential Readings: 

Suggested Text Books:

  • Prayag, R.S. (1989), Technology of Textile Printing, Dharwad Karnataka Shree J Printers.
  • Shenai, V.A. (1987), Chemistry of Dyes and Principles of Dyeing, Sevak Prakashan, Mumbai.
  • Shenai, V.A. (1996), Technology of Printing, Technology of Textile Processing, Vol. IV, Sevak Publications. Bombay
  • Gohl & Vilensky (1980), Textile science, 2nd ed., CBS Publications, New Delhi.

 

Suggested Reference Books:

  • Jain Hemlatha (2010), Techniques of dyeing and printing, Anne books Pvt. Ltd, New Delhi.
  • Sekhri Seema (2011), Text Book of Fabric Science fundamentals to Finishing, PHI Learning Pvt, Ltd, New Delhi.
  • Chaudhary, A. K. Roy (2006), Textile Processing and dyeing, Scienec pulications, New Delhi.
  • Miles L.W.C. (1994), Textile Printing, 2nd edition, England, Society of Dyers and Colourists

E-Resources:

Journals:

 

 

 

 

Academic Year: 
2023-2024 [8]

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Source URL: https://homescience.iisuniv.ac.in/courses/subjects/dyeing-and-printing-17

Links:
[1] https://homescience.iisuniv.ac.in/courses/subjects/dyeing-and-printing-17
[2] https://www.youtube.com/watch?v=oofh4pKfXl0
[3] https://www.youtube.com/watch?v=oofh4pKfXl0&list=RDCMUC640y4UvDAlya_WOj5U4pfA&start_radio=1&rv=oofh4pKfXl0&t=15
[4] https://irispublishers.com/jtsft/
[5] https://colourpublications.in/pages/publications/
[6] http://www.journals.elsevier.com/dyes-and-pigments/
[7] https://www.journals.elsevier.com/dyes-and-pigments/
[8] https://homescience.iisuniv.ac.in/academic-year/2023-2024