BCT061 Chemical Processing of Textiles-III Syllabus
AKTU B.Tech · 3rd Year · Unit-wise syllabus (effective 2024-25)
BCT061 Chemical Processing of Textiles-III (also written as KCT061) is a subject in the 3rd year of the AKTU B.Tech programme, prescribed by Dr. A.P.J. Abdul Kalam Technical University. The syllabus is divided into 5 units: Unit (1), Unit (2) and Chrome Dyes and Metal Complex Dyes, Unit (3), Unit (4), Unit (5). The complete unit-wise topic list, course outcomes and reference books are given below, taken from the official AKTU syllabus effective from 2024-25.
BCT061 Subject Details
| Subject Code | BCT061 / KCT061 |
|---|---|
| Subject Name | Chemical Processing of Textiles-III |
| University | Dr. A.P.J. Abdul Kalam Technical University (AKTU) |
| Course | B.Tech (Bachelor of Technology) |
| Year / Semester | 3rd Year |
| Total Units | 5 |
| Scheme Effective From | 2024-25 |
| Last Verified | 2026-08-19 |
BCT061 Chemical Processing of Textiles-III Unit-Wise Syllabus
Official AKTU syllabus (effective 2024-25) — 5 units.
Unit 1: Unit (1)
Unit (1): Total lectures required = 8 Chemistry of dyes and chemicals: Classification of dyes according to chemical constitution, features and specification, dye intermediates, manufacturing principle and ecofriendly dyes.
Unit 2: Unit (2) · Chrome Dyes · Metal Complex Dyes
Unit (2): Total lectures required = 8 Acid Dyes: Generalized formula and classification of acid dyes, Procedure for application of various types of acid dyes to wool & other fibres (e.g. Nylon & Silk) Nylon; mechanism of acid dyeing & dye fibre bond, effect of different process parameters and role of additives in acid dyeing. Fastness properties of acid dyes. Chrome Dyes: Concept of mordants; formation of chromium complexes; Method of application of chrome dyes (i) Chrome mordant process, (ii) After Chrome process, (iii) Meta Chrome process. Brief idea on fastness properties of chrome dyes. Metal Complex Dyes: General formula and structure, classification of metal complex dyes- 1:1 Metal complex dyes & 1:2 Metal complex dyes; Procedure of application of metal complex dyes and mechanism of dyeing fastness; Properties of metal complex dyes.
Unit 3: Unit (3)
Unit (3): Total lectures required = 8 Printing paste composition. Different styles of printing e.g. Direct, Resist and Discharge, Printing process for different fibres with direct dyes, acid dyes, vat dyes, azoic colours, reactive dyes, pigments, disperse dyes etc. Brief idea on function performed by the different pigment auxiliaries/assistants used in the printing paste. Different methods of printing e.g.- screen, flat bed & rotary screen printing machineries and equipments. Common printing faults their causes and remedies.
Unit 4: Unit (4)
Unit (4): Total lectures required = 8 Functional finishes Type of Nano finishes, preparation, application to textiles, self cleaning finish, UV protection, Anti bacterial nano finish, advantages and disadvantages.
Unit 5: Unit (5)
Unit (5): Total lectures required = 8 Colour Theory and Evaluation Theory of colour, quantification of colours, CIE colour system colour difference, whiteness & yellowness in dyes, CIE lab formula, 555 sort. Application of spectrophotometer; Reflectance & Transmittance: K/S Curve, Theory of computer colour matching & recipe prediction.
BCT061 Course Outcomes
- Course Objectives:
- Objective of the course is to learn, understand, identify synthetic dyes, ecofriendly dyes, acid
- dyes , printing of textiles, nano finishing and colour matching computer operations and apply
- dyes: acid dyes, metal complex dyes, mordant dyes, printing operations like flat bed printing,
BCT061 Reference Books
- Wool Dyeing by D.M. Lewis
- Chemistry of dyes and principles of dyeing by Dr. V.A. Shenai.
- Technology of dyeing by Dr. V.A. Shenai
- Technology of Printing by Dr . V. A. Shenai
- An introduction to Textile Printing by W Clarke.
- Textile Printing by L.W.C. Miles.
Frequently Asked Questions about BCT061
What is the syllabus of BCT061 Chemical Processing of Textiles-III?
The AKTU BCT061 Chemical Processing of Textiles-III syllabus is divided into 5 units: Unit (1); Unit (2) and Chrome Dyes and Metal Complex Dyes; Unit (3); Unit (4); Unit (5). The complete topic list for each unit is published on this page, taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus effective from 2024-25.
How many units are there in BCT061?
BCT061 Chemical Processing of Textiles-III has 5 units in the AKTU syllabus.
Is BCT061 the same subject as KCT061?
Yes. AKTU renumbered its B.Tech subject codes from the 2022-23 session onwards, so the same subject appears as BCT061 and KCT061 depending on the scheme year. The syllabus content is the same.
Where can I download BCT061 previous year question papers?
AKTU B.Tech previous year question papers for every semester are available to download free on Ryzenstudy, with no login or registration required.
Is this the official AKTU syllabus for BCT061?
Yes. Every topic on this page is taken from the official Dr. A.P.J. Abdul Kalam Technical University syllabus document (AKTU B.Tech 3rd Year Carpet & Textile Technology Syllabus), effective from 2024-25. A direct link to the original AKTU PDF is provided at the top of this page. Last verified on 2026-08-19.
Related AKTU Syllabus
Source: Dr. A.P.J. Abdul Kalam Technical University official syllabus — AKTU B.Tech 3rd Year Carpet & Textile Technology Syllabus, effective from 2024-25. Ryzenstudy is not affiliated with AKTU. Content last verified on 2026-08-19.