Expert Opinion on Environmental BiologyISSN: 2325-9655

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Research Article, Expert Opin Environ Biol Vol: 7 Issue: 1

Characterization of Cotton Fabric Dyed with Natural Dye Extracted from Old Fustic Wood

Iuliana Dumitrescu1*, Elena-Cornelia Mitran1, Elena Varzaru1, Rodica Constatinescu1, Ovidiu George Iordache1, Dana Stefanescu2, Mariana Pislaru2 and Iulian Mancasi3

1The National Research Development Institute for Textiles and Leather, Bucharest, Romania

2SC Tanex SRL, Bucharest, Romania

3SC Majutex SA, Barnova, Iasi

*Corresponding Author : Iuliana Dumitrescu
The National Research Development Institute for Textiles and Leather, Bucharest, Romania
Tel: +40 213 40 49 28
E-mail: iuliana.dumitrescu@certex.ro

Received: March 16, 2018 Accepted: April 02, 2018 Published: April 06, 2018

Citation: Dumitrescu I, Mitran EC, Varzaru E, Constatinescu R, Iordache OG, et al. (2018) Characterization of Cotton Fabric Dyed with Natural Dye Extracted from Old Fustic Wood. Expert Opin Environ Biol 7:1. doi: 10.4172/2325-9655.1000152

Abstract

Knitted cotton fabric was mordanted with mimosa tannin and alum and dyed with Fustic Color. The highest exhaustion degree of the fustic dyebath (29.62%) is shown by the fabric mordanted with 8% mimosa/15% alum followed by 2% mimosa/4% alum. The fastness properties of dyed fabrics to washing, alkaline and acid sweat, dry and wet rubbing and light are poor no matter the type or concentration of the mordants. The poor fastness properties of dyed fabrics could be attributed to the low affinity of the negatively charged cotton fibers for polyphenolic compounds of natural dyes and large molecules of condensed tannins. The vanillin-H2SO4 method demonstrates the presence of large amount of fustic color and tannins in the dyebaths remained after dyeing. The mordanted and dyed fabrics provide an excellent protection against UV rays, the UPF values exceeding 50+. The fabrics mordanted with 2% Mimosa/ 4% Alum and with 8% Mimosa/ 15% Alum and dyed with Fustic Color show a good antibacterial activity against S. aureus.

Keywords: Cotton; Natural dyes; Fustic color; Mimosa tannin; Ultraviolet protection factor

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