DYEING AND PRINTING

Paper Code: 
BFT- 302
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

To introduce different classes of dyes used on textiles.

To help the students in understanding relation between fibre and dye.

To help the student in selecting appropriate design while using different printing methods.

To introduce the students to various types of finishes used in the processing of textiles.

9.00

Preparatory processes – singeing, desizing, scouring, bleaching                               

 

9.00

Classification of dyestuff.

Preparation of material for dyeing & printing

Introduction to fibres, yarns and fabric & garment dyeing.

Auxiliaries used in dyeing and printing.

9.00

Different classes of dyes used on various fibres.

     Natural Dyes

Direct dyes

Basic dyes

Acid

Vat dyes

Azoic dyes

Reactive dyes

Disperse dyes

After treatments

Dyeing defects

9.00

Preparation of material for printing

Different styles of Printing- Direct, Discharge and Resist.

Different methods of printing

Block printing

Screen printing: - Hand screen printing, Flatbed screen printing, Semi automatic screen printing, Automatic screen printing &  Rotary screen printing

Roller printing         

Transfer printing

Printing defects of screen & roller printing & their remedies

9.00

Introduction to finishes and its classification

General Finishes: Mercerization, Carbonization,

Mechanical Finishes: Calendaring – types of calendaring treatment, heat setting, shearing, tentering, weighing, sanforizing, schreineuzing.

Functional Finishes: Anti-creasing, anti-static, waterproofing, moth proofing, mildew proof, flame proof.

Essential Readings: 
  1. Shenai, V.A., (1987) Chemistry of Dyes and Principles of Dyeing, Sevak Prakashan, Mumbai.
  2. Prayag, R.S., Technology of Textile Printing, Noyes Data Corporation.
  3. Joseph, M. Introductory Textile Science, Molt Rinchart and Winston.
References: 
  1. Lubs, H.A. & E. Robert., the Chemistry of Synthetic Dyes and Pigments, Kreiger Publishing Company, New York.
  2. Shenai, V.A., (1999) Azo Dyes- Facts & Figures, Sevak Prakashan, Mumbai.
  3. Shenai, V.A., (1977) Technology of Printing, Technology of Textile Processing, Vol. IV, Sevak Publications.
  4. Gulrajani, M.L. and Gupta Deepti., (1990) Natural Dyes and their Application to Textiles, ed., I.T Delhi Publication.
  5. John & Margarot, Cannon. (1994) Dye Plants & Dyeing, the Herbert Press, UK.
  6. Venkatraman, K., (1970) Chemistry of Synthetic Dyes, Part I and Part II.
Academic Year: 
2014-15
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