Dyeability and Antibacterial Finishing of Hemp Fabric Using Natural Bioactive Neem Extract 


Vol. 19,  No. 10, pp. 2121-2126, Oct.  2018
10.1007/s12221-018-8518-z


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  Abstract

Two functional compounds were successfully extracted from neem (Azadiracta indica): a tannin-rich natural dye and an antibacterial agent. The dye was extracted from the bark using water, and the antibacterial from the leaf using methanol. These were used to dye hemp fabrics. Higher color strength values (K/S) were found when dyeing was conducted at a higher dye concentration, elevated temperature, and longer dyeing time. Optimal results were achieved when using 5 %w/v of extracted powder at 100 oC for 60 min. The resulting fabrics appeared reddish-brown, and were rated as good to excellent for color fastness against washing, water, sea water, and perspiration. The antibacterial agent from the neem leaf was extracted by Soxhlet apparatus at 65 oC with methanol as solvent. The dyed and antibacterial-finished hemp fabrics were tested against Staphylococcus aureus, following the percentage reduction test of AATCC 100. The treated fabrics demonstrated a 99.99 % reduction in Staphylococcus aureus.

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  Cite this article

[IEEE Style]

T. Inprasit, K. Motina, P. Pisitsak, P. Chitichotpanya, "Dyeability and Antibacterial Finishing of Hemp Fabric Using Natural Bioactive Neem Extract," Fibers and Polymers, vol. 19, no. 10, pp. 2121-2126, 2018. DOI: 10.1007/s12221-018-8518-z.

[ACM Style]

Thitirat Inprasit, Kanjana Motina, Penwisa Pisitsak, and Pisutsaran Chitichotpanya. 2018. Dyeability and Antibacterial Finishing of Hemp Fabric Using Natural Bioactive Neem Extract. Fibers and Polymers, 19, 10, (2018), 2121-2126. DOI: 10.1007/s12221-018-8518-z.

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