Binary mix metal mordant dyeing of merino wool fibers using Cinnamomum camphora waste/fallen leaves extract: a brief statistical analysis of color parameters

Abstract

The present research investigates the use of biocolorants (Anthocyanin and chlorophyll) extracted from Cinnamomum camphora waste/fallen leaves to develop natural and beautiful shades on wool fibers. Simple aqueous extraction followed by the evaluation of build-up properties using binary metal combinations (ferrous sulfate/Fe, copper sulfate/Cu, and aluminum potassium sulfate/Al) as mordants were studied in due course of this study. The dyeing was carried out by the exhaust dyeing method and the dyed samples were analyzed through reflectance spectroscopy in terms of color strength, CIELAB, and CIELCH values. The results showed that overall 19 shades of different hue and tone were produced. A comparative colorimetric analysis of characteristic variables between single and mix metal mordanted samples was also done. One-way ANOVA analysis was used to compare the significant differences between individual components and synergetic role in two different combinations. Pearson’s correlation analysis was used to find out any positive or negative correlation between different combinations.

Keywords:

• Natural dye
• color parameters
• color strength
• synergism
• analysis
• correlation

Acknowledgements

Support of this study provided by Southwest University Chongqing, China as Postdoctoral Fellow for Dr. Luqman Jameel Rather is also highly acknowledged. Dr. Chris Hurren from Deakin University, Australia is thankfully acknowledged for supplying 100% Australian merino wool fibers.

Disclosure statement

Authors declare no competing financial interest of any kind.

Additional information

Funding

This study is supported by “Fundamental Research Funds for the Central Universities” (project ID: XDJK2020C025), and by China Southwest University Grant Scheme (project ID: SWU116040).