Technology of Dyeing
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Technology of Dyeing Syllabus — Unit-wise Content
The official GTU curriculum for Technology of Dyeing (subject code 3163608) as prescribed for Chem. Tech. · Semester 6 divides the course into 5 units, covering 36 listed topics. The unit-wise breakdown below is read from the GTU syllabus document for this subject code, so you can check what the course actually covers before deciding which papers to attempt.
Download the official syllabus PDF (3163608)Unit 1 Technology of textile fibers
- Classification of colouring matters according to their application to the textile fibers
- Physical and chemical structures of fibers and dyes in relation to dyeing
- Interaction between dye molecules and the fibers
- Dyeing of different dyestuffs onto various natural textile fibers
- Rapid dyeing concept
- Dye-fiber bonds and parameters affecting them
Unit 2 Physicochemical properties of dye-fiber systems
- Thermodynamics of dyeing process
- Kinetics of dyeing
- Affinity of dyes towards the fibers
- Adsorption isotherms
- Equilibrium adsorption and factors influencing the same
- Saturation value
- Diffusion coefficient
- Glass transition temperature and its effect on dyeability
- Electro-kinetic properties of dye-fiber systems
Unit 3 Methods of dyeing & dying machineries
- Basic features of batch dyeing machines
- Dyeing machines for loose fibre and sliver
- Machines for dyeing yarn: Hank dyeing
- Package dyeing machines
- Machines for dyeing fabric: Winch dyeing
- Jig dyeing machines
- Beam dyeing machines
- Jet dyeing machines
- Continuous dyeing equipment: Padding mangles
- The Thermosol process
- Roller steamers
- Continuous washing units
Unit 4 Textile Finishing Technology
- in which the goods are scoured and bleached in readiness for finishing
- dyeing or printing
- mechanical finishing procedures
- usually performed on dry material
- thermal processes including drying and heat setting
- wet finishing processes in which the goods are treated with solutions of appropriate chemicals and subsequently dried
Unit 5 Fabric Dyeing Technology
- Dyeing of fabric like cellulosic
- nylon etc
- Subject Code: 3163608 w.e.f
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