Chemical Processing of Textile
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Follow on Instagram for UpdatesChemical Processing of Textile Syllabus — Unit-wise Content
The official GTU curriculum for Chemical Processing of Textile (subject code BE04029051) as prescribed for Textile Tech. · Semester 4 divides the course into 5 units, covering 43 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 (BE04029051)Unit 1 Introduction to Textile Processing
- Overview of textile processing and its significance
- Material flow for various processes and their objectives
- Fabric inspection, and an introduction to chemicals and auxiliaries
Unit 2 Singeing, Shearing, and Cropping
- Objectives and importance
- types of singeing machines (plate
- roller, and gas), and their parameters
- Desizing: Objectives
- techniques (rot steeping
- acid steeping
- enzymatic desizing)
- desizing agents, and continuous desizing machines
- Scouring: Objectives
- chemicals used
- continuous scouring with J-Box, and scouring recipes for cotton
- silk, and manmade fibers
Unit 3 Bleaching and Mercerization
- Objectives and importance
- oxidative and reductive bleaching agents
- methods and machinery used
- various ingredients, and the effect of process parameters (time
- temperature, and pH)
- Use of optical whitening agents
Unit 4 Dyeing
- Introduction to dyeing of yarns and fabrics
- various classes of dyes (Direct
- Acid, Vat, Reactive, and Disperse) and their applications
- Different machines used for dyeing processes
- Printing: Introduction to printing
- different methods and styles of printing
- Types of printing machines (block
- flat screen
- rotary screen, and digital printing)
- Preparation of printing paste for different dyes, and the importance of after-treatment
Unit 5 Finishing
- Introduction to finishing
- classifications of various finishes (permanent and semi-permanent)
- silicon softening
- crease resistance
- water repellent
- flame proofing
- setting of synthetic fiber fabrics
- antistatic and soil release finishes
- Equipment used: mangles
- drying ranges
- IR drying
- raising, and milling machines
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