TT2352 TEXTILE CHEMICAL PROCESSING-II

UNIT I 9

Methods and styles of printing -Direct, Discharge, Resist, Printing machines, Essential

ingredients of printing paste. Printing with Direct, Reactive, Acid, Disperse Vat dyes and

Pigments. Fixation and after- treatment processes. Recent developments in printing.

UNIT II 9

Introduction to finishing- objects- mechanical and chemical finishing, Durable and

Temporary finishes on cotton fabrics: Back filling-starch calendaring-swissing-chasingfriction-

schreiner-embossing; Anti Shrink Finish: Principles of shrinkage–compressive,

Relaxed shrinkage -Compacting. creping, softening, crease proofing, felting, non-felting,

Enzymes in finishing.

UNIT III 9

Crease resist finish -Cross linking agents-Nitrogenous and Non nitrogenous resins-

Properties and uses-Wash-n-wear, Durable press finish. Water proof and repellent

finishes for cotton and synthetics, Flame resistance finishes for cellulosics and blends.

Anti microbial finishes, Insect-Resist finishes, Softeners Finishing of knits, garment

processing: value added finishing of garments.

UNIT IV 9

Textile Effluent – Textile waste characteristics, Textile waste water problems, Chemicals

used in Textile Industry, Treatment of Textile Effluents.

Techniques for Effluent treatment – chlorine trioxide treatment, ozone treatments,

reverse osmosis, enzymatic decolourisation. Concepts of ISO 14000

UNIT V 9

Waste minimisation and its opportunities – Need for waste minimisation – Chemical and

Auxiliaries conservation, Water conservation, Energy conservation, Pollution control,

workers awareness, Export market requirements – Waste minimisation potential

TEXT BOOKS

TOTAL: 45 PERIODS

1. Shenai, V.A., “Technology of Textile Finishing”, Sevak Publications, Bombay, 1995

2. Shenai, V.A., “Technology of Printing”, Sevak Publications, Bombay, 1996.

REFERENCES

1. LWC Miles, (Editor) “Textile Printing”, Dyers Company of Publications trust, U.K,

1981.

2. Marsh, J.T., “An Introduction to Textile Finishing”, Chapman and Hall Ltd., London,

1979.

3. Padmavankar, Textile Effluent NCUTE, IIT, Publication, 2002.

4. From waste to Profits, Technical Manual Series III, National Productivity Council,

New Delhi, 1998.