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Sustainable antibacterial printing of cellulosic fabrics using an indigenous chitosan-based thickener with distinct natural dyes
International Journal of Clothing Science and Technology ( IF 1.0 ) Pub Date : 2021-03-15 , DOI: 10.1108/ijcst-01-2020-0005
Zulfiqar Ali Raza , Faiza Anwar , Sharjeel Abid

Purpose

Chitosan is widely considered as a natural polymer and a diverse finish to impart antibacterial property and enhanced dye uptake of textiles. Herein, the authors have investigated the feasibility of using chitosan/starch blend as a thickener in screen printing of cellulosic fabrics with some natural dyes.

Design/methodology/approach

The polymeric blend of chitosan/starch was prepared and used as a thickener for screen printing with three natural dye extracts, namely, Curcuma tinctoria (turmeric), Beta vulgaris (beet) roots and Lawsonia alba (henna) leaves on cellulosic fabrics like cotton and viscose. The viscosity and rheological properties of print paste as a fresh and after overnight shelving were examined. The influence of polymeric blends on cellulosic fabrics' print properties was inspected by determining their colorfastness, rubbing fastness, tensile strength and antibacterial activity.

Findings

The results depicted that chitosan/starch blend as printing thickener increased the shade depth with good wet and dry rubbing fastness for all the test natural dyes. The antibacterial activity of resultant printed cellulosic fabrics was found to be satisfactory against broad-spectrum bacterial strains.

Practical implications

This study's outcome is the development of chitosan blend thickeners to print the cellulosic fabrics with indigenous natural dyes.

Originality/value

The authors found no previous report on the synthesis of chitosan-based antibacterial blend thickeners with three distinct natural dyes and their application in screen printing of native and regenerated cellulosic fabrics of cotton and viscose, respectively.



中文翻译:

使用具有独特天然染料的本土壳聚糖增稠剂对纤维素织物进行可持续抗菌印花

目的

壳聚糖被广泛认为是一种天然聚合物和多样化的整理剂,可赋予纺织品抗菌性能和增强的染料吸收。在此,作者研究了使用壳聚糖/淀粉混合物作为增稠剂在纤维素织物与一些天然染料的丝网印刷中的可行性。

设计/方法/方法

制备的脱乙酰壳多糖/淀粉的聚合物共混物和作为增粘剂使用丝网印刷具有三个天然染料的提取物,即,莪tinctoria(姜黄),甜菜(甜菜)的根,散沫花粉(指甲花)叶上纤维素织物,如棉花和粘胶。检查了新鲜和过夜搁置后印花浆的粘度和流变特性。通过测定其色牢度、摩擦牢度、拉伸强度和抗菌活性来检查聚合物共混物对纤维素织物印花性能的影响。

发现

结果表明,壳聚糖/淀粉共混物作为印花增稠剂增加了色调深度,所有测试天然染料均具有良好的干湿摩擦牢度。发现所得印花纤维素织物的抗菌活性对广谱细菌菌株是令人满意的。

实际影响

这项研究的结果是开发了壳聚糖混合增稠剂,以使用本土天然染料印刷纤维素织物。

原创性/价值

作者发现之前没有关于用三种不同的天然染料合成基于壳聚糖的抗菌混纺增稠剂及其在棉和粘胶天然和再生纤维素织物丝网印刷中的应用的报道。

更新日期:2021-03-15
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