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AKTU Chemical Processing of Textiles-I (BHT401) Syllabus PDF – B.Tech 2nd Year
Chemical Processing of Textiles-I BHT401
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Official AKTU syllabus of Chemical Processing of Textiles-I (BHT401) for B.Tech 2nd Year – 4 credits, L-T-P 3-1-0. Read the unit-wise course content, course outcomes, evaluation pattern and recommended books online, or download the PDF.
Syllabus — Chemical Processing of Textiles-I
Download PDFBHT401 · 4 credits · L-T-P 3-1-0
Course Objectives
- To enable the students to learn about the role of water in dyeing and preparatory process of different fibers.
- To enable the students to know about the Singeing, Desizing, Bleaching and Mercerization.
- To enable the students to know about the preparatory process of protein fibers.
- To enable the students to know about preparatory processing machineries.
- To enable the students to know about the classification of textile auxiliaries.
| Unit | Topics | Lectures |
|---|---|---|
| I | Role of water & its quality for wet processing, hard water and soft water. Basic concepts of surfactants in textile processing, Natural and added impurities in textiles, Preparatory process sequences for cotton, wool, silk, polyester, nylon, acrylic and blends. | 12 |
| II | Singeing: Gas singeing, Desizing: Hydrolytic and Oxidative systems, Scouring: Solvent, Conventional and Enzymatic systems, Bleaching with Sodium hypochlorite, Hydrogen peroxide, Sodium chlorite. Optical brightening agents (OBA), mechanism and its application on all fibres. Mercerization of cotton, physical and chemical aspects of mercerization, yarn and fabric mercerizing. | 12 |
| III | Preparatory processes for protein fibres, wool: Carbonization, scouring, bleaching. Degumming and bleaching of silk. Preparatory processes for synthetic fibres and blends: Objective of heat setting, types of heat setting, working of stenters. Scouring and bleaching of synthetic fibres and blends. Assessment of desizing, scouring, bleaching and mercerization. | 12 |
| IV | Brief introduction to preparatory processing machineries – Batch machines: Pressure Kiers, Vaporloc machines, Jigger, Winch, Semi continuous and continuous machines: J-Box, Padding mangles | 12 |
| V | General Consideration and classification of textile auxiliaries, Preparation of detergents, comparison between soaps and detergents, Physical principles involved in detergency conditions for efficient detergency. | 12 |
Outcomes:
Upon completion of the course, the students will be able: -
- To know about the role of water in dyeing and preparatory process of different fibers.
- To know about the Singeing, Desizing, Bleaching and Mercerization.
- To know about the preparatory process of protein fibers.
- To know about the preparatory processing machineries.
- To know about the classification of textile auxiliaries.
Text Books
- A glimpse on the chemical technology and textile fibres by R.R.Chackrawartt
- Technology of bleaching and mercerization by V.A.Shenai
- Technology of finishing by V.A.Shenai
- Scouring and Bleaching by E.R. Trotman
- Textile Preparation and Dyeing by Asim Kumar Roy Choudhury
Reference Books
- Chemical processing of cotton and p/c blends –ATIRA
- Textile chemical processing: Theory and practice of Preparatory Process (Web). https://archive.nptel.ac.in/courses/116/102/116102016/
- Chemical Technology in the Pre-Treatment Processes of Textiles by S.R. Karmakar
- Chemical Technology of Fibrous Materials, by F. Sadov, M. Korchagin, A. Matetsky
- The Dyeing of Textile Fibers: Theory and Practice by Joseph Rivlin
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