Natural Dyes for Textiles and their Eco-friendly Applications

By Dr. Niyati Bhattacharyya

ISBN: 978-81-901033-5-0

Hardbound: 321 pages

Illustrations: 116

Chapter Contents
Chapter 1 1.0 Classification of natural dyes
1.1 Introduction
1.2 Classification based on sources and chemical classes
1.3 Classification based on applications
1.4 Conclusion
Chapter 2 2.0 Extraction of colour from natural sources
2.1 Introduction
2.2 Conventional aqueous extraction
2.3 Solvent extraction
2.4 Supercritical carbon dioxide extraction
2.5 Efficacy of extraction of colouring matter from natural sources
2.6 Conclusion
Chapter 3 3.0 Mordants
3.1 Introduction
3.2 Synthetic mordants based on metallic salts
3.3 Natural mordants
3.4 Eco-friendly mordants
3.5 Function of mordant
3.6 Methods of mordanting
3.7 Use of mordants for development of different hues
3.8 Conclusion
Chapter 4 4.0 Dyeing with natural dyes
4.1 Introduction
4.2 Dyeing by traditional methods
4.3 Dyeing by standardised method
4.4 Dyeing by machinery and modern technology
4.5 Dyeing by use of supercritical carbon dioxide
4.6 Conclusion
Chapter 5 5.0 Colour evaluation of dyed textiles
5.1 Introduction
5.2 Colour and appearance
5.3 Measurement of colour
5.4 Shade matching and recipe prediction
5.5 Application of computer colour matching (CCM) in natural dyes
5.6 Conclusion
Chapter 6 6.0 Colour fastness properties
6.1 Introduction
6.2 Concept of standards and standardisation
6.3 International standards for colour fastness of textiles
6.4 Improvement of fastness characteristics
6.5 Conclusion
Chapter 7 7.0 Finishing of dyed textiles
7.1 Easy care and wrinkle-free finishing
7.2 Bio-polishing or bio-finishing of dyed textiles
7.3 Flame retardant finishing of dyed textiles
7.4 Conclusion
Chapter 8 8.0 Strength of textiles dyed with natural dyes
8.1 Introduction
8.2 Fabric strength
8.3 Influence of dyeing and mordanting on strength
8.4 Conclusion
Chapter 9 9.0 Eco-friendliness of natural dyes and dyed textiles
9.1 Introduction
9.2 German ban and eco-norms
9.3 Detection of heavy metals and pesticides in natural dyes and dyed textiles
9.4 Conclusion
Chapter 10 10.0 Identification of natural dyes in dyed textiles
10.1 Introduction
10.2 Identification of dye and dye extracted from textiles
10.3 Conclusion
Chapter 11 11.0 Prospects of natural dyes
11.1 Introduction
11.2 Limitations of natural dyes
11.3 Future of natural dyes
11.4 Industrial enterprise
11.5 Ecological aspects
11.6 Marketing
11.7 Conclusion