FT3405 Syllabus - Textile Chemical Processing - 2021 Regulation Anna University
FT3405 Syllabus - Textile Chemical Processing - 2021 Regulation Anna University
FT3405 | TEXTILE CHEMICAL PROCESSING | LTPC |
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3003
COURSE OBJECTIVES:
To enable the students to learn about pre-treatments involved in the wet
processing of textiles, dyeing and printing of textiles
UNIT I | PREPARATORY PROCESSES | 9 |
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Introduction - Process sequence of wet processing for wovens and knits.
Singeing electric and gas singeing. Desizing hydrolytic, oxidative and
enzymatic. Scouring alkaline and enzymatic. Bleaching - hypochlorite,
peroxide and sodium chlorite bleaching. Optical whitening. Mercerizing
tension, tensionless and tubular mercerization.
UNIT II | DYEING | 9 |
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Dyeing equipment - jigger, winch, soft flow, jet dyeing, J-box, padding
mangles, package dyeing and garment dyeing machine. Classification of
dyes. Dyeing of cotton using direct, reactive, vat and sulphur dyes.
Dyeing of polyester using carrier, HTHP and thermo sol. Dyeing of
cellulosic blends (one bath and two bath process).
UNIT III | PRINTING | 9 |
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Ingredients of print paste. Styles of printing - direct, discharge,
resist, tie and dye and batik. Methods of printing - block, stencil,
roller, rotary, flat bed, transfer and chest printing. Special prints
-flock, foam, foil, glitter, kadi, leather, pearl and rubber. After
treatments of printed goods.
UNIT IV | FINISHING | 9 |
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Mechanical finishing -raising, shearing, sueding, anti-shrink finish,
compacting, decatizing, calendaring, embossing. Chemical finishing -
softening, crease resist, bio polishing, flame retardant, water repellent,
water proof, soil release, antimicrobial, UV protection finish. Denim
washing - stone washing, acid washing, sand blasting.
UNIT V | COMPUTER COLOR MATCHING CONCEPTS | 9 |
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Color; Electromagnetic spectrum - visible range, measurement of color
strength - color matching - theory and applications. Spectrophotometer and
color matching systems. Quality control using color matching systems,
color difference - pass / fail system and shade sorting
`TOTAL: 45 PERIODS
COURSE OUTCOMES:: Upon completion of the course, students will be able
to
CO1 Understand the preparatory process in chemical processing CO2 Explain
the classes, machines, stages, and application of dyes CO3 Discuss about
the ingredients, types and machines and faults of printing CO4 Understand
the various methods and application of finishing CO5 Understand the
measurement of strength of colour and colour difference
TEXT BOOKS:
1. Trotman E. R., “Dyeing and Chemical Technology of Textile Fibres”, B.I
Publishing Pvt. Ltd., New Delhi, 1994, ISBN: 0471809101 | ISBN-13:
9780471809104 2. Karmarkar S.R., “Chemical Technology in Pre-treatment
processes of Textiles”, Elsevier Publications, Newyork,1999, ISBN:
044450060X | ISBN-13: 9780444500601
REFERENCES:
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