Theory of Dyeing
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Theory of Dyeing Syllabus — Unit-wise Content
The official GTU curriculum for Theory of Dyeing (subject code 4362803) as prescribed for CS-AI · Semester 6 divides the course into 5 units, covering 29 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 (4362803)Unit 1 Fundamentals of dyeing 1a.Describe important properties of fibres and dyes. 1b.Evaluate effects of various factors on dyeing rates.
- 1.1. Important properties of fibres for dyeing
- 1.2. Important properties of dyes for dyeing
- 1.3. Effect of denier, count, heat setting, twist, electrolyte, temperature, pH & M:L R on dyeing rate
- 1.4. Surface charge (Zeta Potential)
- 1.5. Role of Water in dyeing
Unit 2 Dyeing Kinetics And Equilibrium
- 2.1. 1st & 2nd law of thermodynamics
- 2.2. Entropy & Heat of Dyeing
- 2.3. Adsorption Isotherms like Langmuir, Partition, & Frundlich.
- 2.4. Le Chateliers’ Principle
- 2.5. Dyeing Equilibrium
- 2.6. Dye Exhaustion
- 2.7. Rate of dyeing
- 2.8. Fick’s Law of diffusion
Unit 3 Dye-fibre Interactions
- 3.1. Affinity & Substantivity of dyes
- 3.2. Concept of Compatibility of dyes
- 3.3. Various dyebath interactions
- 3.4. Importance of dyeing conditions
- 3.5. Forces responsible for dye fixation on fibres such as Hydrogen bond, Ionic bond, Covalent bond and Van Der wall’s forces. Theory of Dyeing Course Code: 4362803 NITTTR Bhopal – GTU - COGC-2021 Curriculum Unit Major Learning Outcomes Topics and Sub-topics
Unit 4 Behavior of dyes in dyeing
- 4.1. Solubility of dyes
- 4.2. Importance of diffusion in dyeing
- 4.3. Diffusion co – efficient of dyes
- 4.4. Aggregation of dyes in solution
- 4.5. Estimation of dyeing
- 4.6. Purification of dyes
Unit 5 Dyeing Mechanism
- 5.1. Classification of dyeing systems
- 5.2. General mechanism of Dyeing
- 5.3. Process mechanism of exhaust dyeing
- 5.4. Process mechanism of Continuous dyeing
- 5.5. Process mechanism of HTHP dyeing
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