To understand the concept of dyeing & printing of various substrates
To familiarize with the finishes processing
To understand the relationship to the textile testing with fiber, yarn and fabric.
12.00
Advances in chemistry of dye intermediates and unit organic processes applied for their application. Colour and chemical constitution
Chemistry of various synthetic dyes for application on textile fibers, novel chromophores and reactive groups, newer application techniques, Developments in dye chemistry
Photochemistry of dyes, Solvent dyes, optical brightening agents and pigments.
12.00
Thermodynamics of dyeing and Kinetics of dyeing
Influence of fiber structure on dyeing, effect of processes on fiber properties before dyeing and during dyeing
Application of dyes on various substrates- natural, synthetic and blends
Rapid dyeing techniques, Foam dyeing, dyeing using supercritical carbon dioxide and other advanced dyeing techniques.
Natural dyes- concept and practice, classification, technology for production and application of natural dyes on textiles
Developments in transfer printing of natural as well as synthetic dyes, Digital printing – Inkjet printing and Xerography, Concept of continuous processing.
Thickening agents – natural, modified and synthetic
After treatment of dyeing and printing
12.00
Finishing – Classification of finishes, application and mechanism of mechanical, functional, chemical & specialty Finishes - Antimicrobial finish, Flame Retardant Finish, Water Repellent Finish, Soil resistant, Resin Finish, UV Protection Finish, Antistatic Finish, Wrinkle free, Durable press, Flame retardant, Water proof, Soil & Satin release, Antibacterial Finish.
Eco-friendly finishing with enzymes; comfort imparting finishes with reference to the application. Recent advances in finishing
12.00
Importance of textile testing, Standard conditions of testing, standardization and quality control
Strength properties – tearing, tensile, bursting,
Performance properties – dimensional stability , resistance to abrasion, air permeability, pilling, moisture absorbency, flammability, water resistance and wrinkle resistance,
Colourfastness: Rubbing, light, washing, dry cleaning, perspiration and ironing.
Essential Readings:
Shenai VA. 1994. Technology of Dyeing. Sevak Publ.
Shenai VA. 1985. Technology of Printing, Technology of Textile
Vilensky G. 1987. Textile Science. CBS.
Pradeep V Mehta. 1998. Managing Quality in Apparel Industry. New Age International.