To be acquainted with the polymers of which the textile fibers are made.
To familiarize with the principles of chemical processing i.e. from preparatory
process to finishing of textiles
To understand the chemistry, production and fundamental properties of natural and synthetic dyes
12.00
Unit I:
Unit I
Polymer
Definition of Polymers, its types, degree and methods of polymerization, polymerization process, molecular weights of polymers and its determination.
Orientation of fiber molecules; their influence on the fiber properties.
Molecular structure and Morphology of cellulose, protein fibers and synthetic fibers.
12.00
Unit II:
Unit II
Fabric Construction
Brief Introduction to Woven and Knitted Garment.
Parts of a simple loom and their function
Different types of looms- Shuttle looms- pit & table; Shuttleless looms- Rapier, Gripper, Multiphas, Airjet, Waterjet; Jacquard and dobby.
Weaving- Developments in weaving. Automation in weaving machines.
Knitting- weft and warp knitting machines. Flat knitting Technology.
Developments in Non- Woven.
Other methods of fabric formation in detail- Felting, bonding, knotting, lace making and braiding.
12.00
Unit III:
Unit III
Dyes and Auxillaries
History of dyestuffs, light, color, dyestuffs, Structure & Use wise classification of dyes.
Color – Beer’s law and Lambert’s law, colour mixing system, colour order system, CIE color specification, Instruments for the measurement of color, Kubelka-Munk Theory, Relation between K-S & concentration of colorant, understanding Color difference, Hue, Chroma, etc. Understanding the use of Color Index Standards, dye shade cards and pantone colour coding.
Brief introduction to Preparatory Processes & machinery - Singeing, Desizing, Scouring, Bleaching and Mercerization.
Dyeing – Principles and Mechanism of dyeing, Classification, colour and chemical constitution – direct, reactive, vat, azoic, sulphur, basic, acid, disperse and natural dyes.
Printing using dyes and pigments on - (Cotton, silk, wool, Rayon, Polyester, & blends); After treatments
Recent advancements in Dyes and Chemicals, Eco –friendly Processing of Textiles, Modern Processing of Textiles, Conservation of utilities in Textile Processing, Recent Advancements in Processing Machinery, Applications of Bio-Technology, Plasma Technology and Nanotechnology in Textiles
12.00
Unit V:
Unit V
Finishing
Finishes – Classification of finishes, application and mechanism of mechanical, functional, chemical & specialty Finishes - Antimicrobial finish, Flame Retardant Finish, Water Repellent Finish, Soil Release Finish, Resin Finish, UV – Protection Finish, Antistatic Finish, Wrinkle free, Durable press, Flame retardant, Water proof, Soil & Satin release, Antibacterial Finish
Environmental issues of Textiles, Introduction on Banned dyes
Hand Book of Textile Fibers - Cook, J. Gordon, Merrow Publishing Co. Ltd, England
Manmade Fibers - Moncrief: R.W, John Wiley & Sons New York.
Dyeing and Chemical technology of Textile Fibers - Trotman, E.R. (1975), Charles Griffin Company Ltd, London.
An Introduction to Textile Finishing - Marsh, J.T. (1979), B. I. Publications.
Chemicals after Treatment of Textiles - Mark H., Wooding N.S. & Atlas Smeeds, (1970), John Wiley & Sons Inc., NY.
Handbook of fiber Science and Technology, Vol. II, Chemical Process of Fibres and Fabrics, Functional Finishes Part A - Lewin, M. and Selio, Stephen B. (1983) Marcel Deker, Inc, NY and Basel.
Introduction to the Chemistry of Dyestuffs-Shenai, V. A (1991):, Sevak Prakashan
Natural Dyes and their Application to Textiles, Gulrajani M.L. and Gupta, D. (1982), IIT Delhi.
Natural dyeing process of India-Mohanty, Chandramouli, Naik, (1987), Ahmedabad, Calico Museum of Textiles.
