TEXTILE PROCESSING (THEORY)

Paper Code: 
DHSC 513 (C)
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
This course will enable the students to –
1. Impart knowledge about dyeing and printing techniques on fabrics.
2. Understand various techniques of textile finishes. 
3. Impart knowledge of basic processing of textiles.
4. Impart knowledge of eco friendly processing in textiles.

Course outcomes

 

Learning and teaching strategies

Assessment

Strategies

  
 

The students will be able to –

CO248:Outline the concept of pre-treatment’s used for dyeing and printing

 

CO249:Identify various methods of  dyeing and printing for various textile and apparels

 

CO250:Classify the dyes and its types

 

CO251: Explain various dyes according to Chemistry and mode of application

 

CO252:Develop understanding of various finishing methods and its application methods

Approach in teaching:

Interactive Lectures, Discussion, Tutorials, Reading assignments

 

Learning activities for the students:

Self learning assignments, Effective questions, Simulation,  presentation, Giving tasks

 

Class test, Semester end examinations, Quiz, Solving problems in tutorials, Assignments, Presentation

 

  

 

12.00
Unit I: 
Pre-treatments
• Pre-treatment given to fabric: singeing, scouring, de-sizing, bleaching
• Terminology and theory of dyeing 
• Auxiliaries 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: 
Styles of Printing
• Styles of printing – direct, discharge, resist, dyed 
• Fixation of prints: Ageing, Steaming, Baking, Wet development 
• Washing of printed goods 
 
12.00
• Methods of printing 
       • Block printing 
       • Roller printing 
       • Stencil, screen(flat and rotary) printing 
       • Innovative printing methods: Digital, Transfer, Jet Spray and Polychromatic,           Electrostatic, Photo Printing.
 
12.00
Unit V: 
Finishing
• Definition, Importance of finishing 
• Classification of finishes
• Mechanical finishes- Sizing, Singeing, Mercerization, Napping, Embossing, Calendaring, 
• Functional finishes- Wrinkle resistant, Water-resistant and repellent, Flame Retardant, Soil & Stain Release, Mothproof and Anti static. 
• Bio finishes
 
Essential Readings: 
• Dhantyagi S., Fundamentals of textiles & their care, Orient Longman limited  New Delhi.
• Shennai V.A.: Chemistry of Dyes and Principles of Dyeing, Sevak  Prakashan Mumbai.
• Corbman., P. B., Textiles Fiber to Fabric Gregg, Division, Mc Graw Hill Book.
• Phyllis, G. Tortora., Understanding Textile, (2nd Edition), Pearson, 1997.
• Joseph J. Pizzuto, Fabric science, 5th ed., Fairchild publication, New York 1987.
• Kadolph, Sara, J. and Anna L. Langford, Textiles, 11th Edition, Pearson Education (US) 2010.
• Joseph, M.L., Essential of Textiles (5th edition), Holf, Rinecharts and Winston Publication, Florida 1988.
• Sekhri, Seema, Text Book of Fabric Science fundamentals to Finishing, PHI Learning Pvt, Ltd, New Delhi, 2011.
• Sundaram, P. Mishra, Fiber Science and Technology, New Age International, New Delhi, 2010.
• Rastogi D. and Chopra S., Textile Science, Orient Blackswan Publication, 2017
 
References: 
E- Resources:
 
Academic Year: 
2022-2023
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