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Published on: December 1, 2016
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Natural dyes in textile printing: parameters, methods, and performance
Md Reazuddin Repon1,2,3, Tarekul Islam4,5, Tamal Krishna Paul4,6
1Laboratory of Plant Physiology, Nature Research Centre, Akademijos g. 2, 08412, Vilnius, Lithuania. reazmbstu.te@gmail.com.
Summary
Consumer demand is shifting towards natural dyes due to environmental and health concerns associated with synthetic dyes. This study explores natural dyes in textile printing, covering extraction, application, and future prospects.
Area of Science:
- Textile Chemistry
- Sustainable Materials Science
- Colorant Technology
Background:
- Synthetic dyes, prevalent for 60 years, pose environmental and health risks due to petrochemical origins and hazardous production processes, including carcinogenicity in some azo dyes.
- Growing awareness of synthetic dye hazards fuels a resurgence in natural dyes, driven by their eco-friendly, biodegradable, renewable, and sustainable properties.
- Natural dyes offer advantages such as minimal disposal issues, reduced fossil fuel consumption, and beneficial properties like anti-bacterial and anti-UV effects, alongside lower costs and no adverse health impacts.
Purpose of the Study:
- To provide a comprehensive overview of natural dyes within the context of textile printing.
- To illustrate key parameters influencing printing performance with natural dyes.
- To examine extraction methods, printing techniques, and application on various fiber types.
Main Methods:
- Review and synthesis of existing literature on natural dye extraction and application in textile printing.
- Analysis of printing performance parameters relevant to natural dyes.
- Discussion of challenges and future directions for natural dye utilization in the textile industry.
Main Results:
- Natural dyes present significant environmental and health benefits over synthetic alternatives, despite challenges like poor fastness and reproducibility.
- Extraction techniques and printing methods for natural dyes on both natural and synthetic fibers are detailed.
- The study highlights the increasing demand for natural dyes in textiles due to their safety profile.
Conclusions:
- Natural dyes are increasingly favored in textile printing owing to their safety and sustainability, despite technical limitations.
- Addressing challenges in fastness and scalability is crucial for wider adoption.
- The future of natural dyes in textile printing appears promising, driven by consumer preference and environmental consciousness.
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