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Suitability of dyes from cinnamon bark on wool fibers using metal and bio-mordants

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Abstract

Growing concern about the environmental effects of metal mordants and synthetic dyes is encouraging the use of bio-mordants and natural colorants. Cinnamon bark is a rich source of natural colorants such as cinnamaldehyde and tannins. The main purpose of this research was to study and compare the effect of bio-mordants versus metal mordants in terms of colorimetric parameters and color fastness properties of cinnamon bark on wool fibers. Accordingly, some bio-mordants, including date kernel, peppermint, banana peel, and artemisia, as well as some metal mordants like aluminum potassium sulphate and copper sulphate, were studied based on three conventional mordanting methods (pre-, meta-, and post-mordanting). The results indicated that the conjunction of metal mordants and polyphenolic bio-mordants with cinnamon colorants can create different hues and tones of brown. Also, the color produced by cinnamon in wool fibers has poor color fastness and low color strength. Overall, bio-mordants have presented good color properties, making the dyeing process eco-friendly and greener. Among the applied bio-mordants, peppermint has created the best color strength and color fastness.

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The data sets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.

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Funding

This work has been financially supported by the research deputy of Shahrekord University. The grant number was 1GRN36M797.

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by Majid Tehrani and Taraneh Navayee. All authors read and approved the final manuscript.

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Correspondence to Majid Tehrani.

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Tehrani, M., Navayee, T. Suitability of dyes from cinnamon bark on wool fibers using metal and bio-mordants. Environ Sci Pollut Res (2024). https://doi.org/10.1007/s11356-024-33381-z

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  • DOI: https://doi.org/10.1007/s11356-024-33381-z

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