AKTU Chemical Processing of Textiles (BTT503) Syllabus PDF – B.Tech 3rd Year

Course Outcome: After completing the course student will be able to:

CO1 Understand the objectives of desizing, scouring, bleaching, heat setting and mercerization of textile materials CO2Understanding of the processing machinery: Jigger, Winch, Jet dyeing m/c, Soft flow dyeing m/c, Pre treatment range (PTR), Mercerizing m/c etc CO3Classification of dyes according to their mode of application CO4Methods of printing and role & types of printing thickeners CO5Classification of finishing and various types of finishing methods Unit (1): Importance of textile wet processing, role of water in textile processing, dye house water standards, surfactants and their role in detergency, preparatory process; singeing, desizing, scouring, role of heat setting in synthetic material. bleaching and mercerization process of cotton goods Total Lectures required =7 Unit (2): Brief introduction to processing machinery: Jigger and Winch, Jet and Soft flow dyeing m/c, Padding Mangle. Pretreatment range (PTR), Continuous dyeing range (CDR), Cold Pad Batch (CPB) dyeing m/c, Role of stenter and VDR m/c in finishing process. Roller printing, Rotary printing m/c and digital printing m/c.

Total Lectures required =7 Unit (3): Theory of dyeing, Classification of dyes according to their mode of application, Dyeing Auxiliaries, Dyeing of cellulosic material with direct, reactive, vat and sulphur dyes. Dyeing of polyester with disperse dyes, difference between exhaust and continuous dyeing, Dyeing of P/C blends Total Lectures required =8 Unit (4): Styles and methods of printing, Role and types of printing thickeners, Properties of thickeners, Printing auxiliaries, Pigment Printing, Printing faults and their remedies.

Total Lectures required =7 Unit (5): Role of finishing process in textile processing, Introduction to finishing, Classification of finishing - Mechanical and Chemical, Various types of finishing such as Calendaring, Milling, Sanforizing, Optical brightening agent (OBA), Flame retardant and water repellent finish.

Total Lectures required =7 Total Lectures required =36 Text Books and Reference material:

1. Pre-treatment of Textile Materials for Dyeing and Printing by Prof (Dr) M. S. Parmar, NITRA Publication
2. Textile preparation and dyeing by Asim Kumar Roy Choudhary
3. Dyeing and Printing by Hemlata Jain
4. Technology of dyeing, by V.A. Shenai
5. Chemical Finishing (Garment processing Series), Published by NITRA
6. Mechanical Finishing (Garment processing Series), Published by NITRA