TC6401 - CHEMISTRY AND TECHNOLOGY OF INTERMEDIATES AND DYES (Syllabus) 2013-regulation Anna University

TC6401	CHEMISTRY AND TECHNOLOGY OF INTERMEDIATES AND DYES	LPTC

3003

OBJECTIVES:

• To enable the students to learn about the raw materials & purification of intermediates for dyes preparation
• To explain the students about the basic chemistry & mechanism in dye & dye intermediates preparation

UNIT I	INTRODUCTION TO DYES	9

Coal tar – fractional distillation and their products. Aromatic hydrocarbons from petroleum. Introduction to primary and intermediate chemicals for dyes. Relation between Colour and Chemical Constitution.. CI Name and Number.

UNIT II	UNIT PROCESSES	9

Unit processes in organic synthesis such as halogenation, nitration, Sulphonation, esterification, alkylation ,acetylation, hydroxylation, and diazotisation with suitable examples.

UNIT III	AROMATIC INTERMEDIATES	9

Systematic study of important intermediates from benzene, chlorobenzene, toluene, nitrobenzene, aniline, phenol, salicylic acid, naphthalene and anthraquinone.

UNIT IV	DYE INTERMEDIATES	9

Classification of dyes and intermediates. Introduction to azines, oxazines, thiazines, xanthine, acridine, Diphenyl and triphenyl methane dyes.

UNIT V	DYES	9

Introduction to their chemistry and preparation of – Anthraquinone vat dyes, indigoid, solubilised vat dyes, reactive dyes, disperse dyes, Blueing and Fluorescent brightening agents.

TOTAL : 45 PERIODS

OUTCOME: Upon completion of the course, the students will be able to

• Understand about the dyes and their intermediates which is an integral backbone of textile wet processing industry

TEXT BOOKS:

1. Shenai,.V.A., “Introduction to the Chemistry of Dyestuffs”, Sevak Publications,Mumbai 1995
2. Shore,J. (Ed)., “Colorants and auxiliaries, Volume 1,:Colorants”, SDC, Blackwells, Leeds, 1990,
3. Shore,J. (Ed)., “Colorants and auxiliaries, Volume 2: Auxiliaries”, SDC, Blackwells, Leeds, 1990,

REFERENCES

1. Venkatraman.K., “The Chemistry of Synthetic Dyes” – Vol. I & II, Academic press, London, 1990
2. David.R.Waring, Geoffrey Hallas, The Chemisry and Application of Dyes, SDC,1990