Technology of Textile Processing

Paper Code:

MTX-122

Credits:

3

Contact Hours:

45.00

Max. Marks:

100.00

Objective:

To understand the preparatory processes of natural fibers.
To understand the preparatory processes of man-made fibers.

9.00

Unit I:

Preparation of Cotton Fabric:

Singeing: Objective, types of singeing, details of various singeing methods, drawbacks and advantages.
Desizing: Objective, types, method, details and mechanism of removal of starch in various methods. Efficiency of desizing.
Scouring: Objectives, mechanism of removal of impurities, Characteristics & Classification of impurities. methods of scouring

10.00

Unit II:

Bleaching :Objective, classification of bleaching methods, different bleaching agents, their relative merits and demerits

Mercerization: Objectives, mechanism related to various physical and chemical changes in cotton during mercerization. Methods of mercerization- cold and hot, relative merits and demerits

9.00

Unit III:

Preparation of Silk: Natural and added impurities present, degumming, weighting
Preparation of wool: Natural and added impurities present, carbonising, crabbing, milling, felting

10.00

Unit IV:

Chemical processing sequence: Viscose rayon, Polyester and Polyester / Cotton blend and objectives of the processes

7.00

Unit V:

Denim Processing: Yarn requirements for quality denim fabrics. Finishing and washing of denim fabric. Types of denim fabrics. Introduction of Indigo dyeing machines – rope form and sheet form. Precautions in Indigo dyeing.

Essential Readings:

Corbman, P.B.,Textiles – Fiber to Fabric,Gregg Division/McGraw Hill Book Co.USA,1985
Shenai, V.A: Textile Fibre, Sevak Publications
Gohl E.G. and Vilensky, Textile Science, C.B.S. Publishers New Delhi, 1993.
Shenai,V.A. Technology of Bleaching and Mercerising
Joseph, M.L., Essential of Textiles (5th edition) Holf, Rinecharts and Winston Publication, Florida 1988.
Tortora, G. Phylis., Understanding Textiles (2nd edition), Mc Millan Co. USA 1987