alexa Basic and Reactive-Dyeable Polyester Fabrics Using Lipase Enzymes | OMICS International
ISSN: 2157-7048

Journal of Chemical Engineering & Process Technology
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Research Article

Basic and Reactive-Dyeable Polyester Fabrics Using Lipase Enzymes

Nagla S El-Sheemy1, Nancy S El-Hawary1 and Hosam El-Sayed2*
1Dyeing, Printing, and Auxiliaries Department, National Research Centre, Tahrir St., Dokki, Cairo, Egypt
2Proteinic and Man-made Fibers Department, Tahrir St., Dokki, Cairo, Egypt
Corresponding Author : Hosam El-Sayed
Proteinic and Man-made Fibers Department
Tahrir St., Dokki, Cairo, Egypt
Tel: 202-3333 59 40
E-mail: [email protected] trdegypt.org
Received: December 15, 2015; Accepted: February 01, 2016; Published: February 08, 2016
Citation: El-Sheemy NS, El-Hawary NS, El-Sayed H (2016) Basic and Reactive- Dyeable Polyester Fabrics Using Lipase Enzymes. J Chem Eng Process Technol 7:271. doi:10.4172/2157-7048.1000271
Copyright: © 2016 El-Sheemy NS, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

Plain weave polyester fabrics were treated with lipase enzymes; namely lipase Type II and lipolase 100LEX enzyme at different reaction conditions to enhance its dyeability with basic dye. Fourier Transform Infrared spectroscopic investigation proved the creation of carboxylic as well as hydroxyl groups as a result of controlled rupture of ester links along polyethylene terephthalate macromolecule. This led to improved dyeability with the cationic dye “Basic Red 18” as well as reactive dye “Reactive Red 120”. Physical as well as mechanical properties of the treated fabrics; namely wettability, moisture regain, and tensile properties, were assessed compared to those of the untreated one. No significant deteriorative action of the lipolase enzyme, under the used reaction conditions, was detected by scanning electron microscopy.

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