Chitosan-based polymeric dye for in-situ multifunctional dyeing of cotton fabric

IF 4.9 2区工程技术 Q1 MATERIALS SCIENCE, PAPER & WOOD

Cellulose Pub Date : 2025-02-25 DOI:10.1007/s10570-025-06430-0

Sanat Vohra, Shivam Chawla, Nikhil Shaiwale, Javed Sheikh

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Abstract

In the present work, polymeric dye was developed in situ on cotton fabric using chitosan and ethyl anthranilate. The dyed cotton was characterized using analytical techniques, and the developed colour and functionalities were assessed. Various chitosan add-on levels (0.68%, 1.47%, 2.45%, and 4.29%) were applied to the cellulosic substrate through a pad-dry-cure process for producing the chitosan-bound cellulosic fabric. Diazotized ethyl anthranilate (DEA) was used to form a covalent bond with the chitosan-bound fabric. The resulting product was assessed for colouration, mechanical properties and functional properties. The dyed cotton showed a light orange shade with satisfactory fastness ratings. Mosquito repellency of high order (up to 100%) with excellent durability was achieved. Moreover, the dyed fabric showed “good” UPF ratings and excellent antibacterial activity (> 76%) against E. coli bacteria. Azoic dyeing using chitosan polymer and ethyl anthranilate was explored for mosquito-repellent cum multifunctional finishing of cotton.

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壳聚糖基高分子染料在棉织物原位多功能染色中的应用

本文以壳聚糖和邻氨基苯甲酸乙酯为原料，在棉织物上研制了原位聚合染料。利用分析技术对染色棉进行了表征，并对染色棉的颜色和功能进行了评价。通过衬垫-干固化工艺，将不同水平的壳聚糖（0.68%、1.47%、2.45%和4.29%）添加到纤维素基质上，制备壳聚糖结合的纤维素织物。用重氮化邻氨基苯甲酸乙酯（DEA）与壳聚糖结合的织物形成共价键。对所得产品进行了着色、机械性能和功能性能的评估。染色后的棉布呈浅橙色，牢度等级令人满意。驱蚊率高（可达100%），经久耐用。此外，染色织物具有“良好”的UPF评级和对大肠杆菌的优异抗菌活性（> 76%）。探讨了壳聚糖聚合物与邻氨基苯甲酸乙酯偶氮染色对棉花的驱蚊多功能整理效果。

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来源期刊

Cellulose 工程技术-材料科学：纺织

CiteScore

10.10

自引率

10.50%

发文量

580

审稿时长

3-8 weeks

期刊介绍： Cellulose is an international journal devoted to the dissemination of research and scientific and technological progress in the field of cellulose and related naturally occurring polymers. The journal is concerned with the pure and applied science of cellulose and related materials, and also with the development of relevant new technologies. This includes the chemistry, biochemistry, physics and materials science of cellulose and its sources, including wood and other biomass resources, and their derivatives. Coverage extends to the conversion of these polymers and resources into manufactured goods, such as pulp, paper, textiles, and manufactured as well natural fibers, and to the chemistry of materials used in their processing. Cellulose publishes review articles, research papers, and technical notes.