Abstract
This current study proposes a novel, successful method for multi-finishing polyacrylonitrile fabric. The performance of the polyacrylonitrile (PAN) fabric was successfully modified using functional finishing with hybrid composite (chitosan-titania NPs-organic UV absorber). PAN was activated to increase the number of reactive sites available for functional finishing. The effect of the finishing process on the fabric properties and the interaction between the activated PAN fabrics with the hybrid composite was demonstrated. Dyeing with reactive dye was done to monitor the reactive groups formed after alkali hydrolysis of PAN fabric and finishing and has been estimated as the starting point to determine the appropriate finishing bath formulation. The results revealed that the hybrid composite is a multifunctional agent in the fabrication process of bacterial and ultraviolet resistances. The maximum bacterial reduction was 95% E. coli and 92% for S. aureus and the maximum UPF value (108) and excellent protection category against UV radiation. The surface characteristics of the fabrics were investigated by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX). The UPF and antibacterial properties show a minor decrease after five wash cycles. The reduction might be attributable to the unfixed and physically connected finishing agents.
Highlights
The most significant reasons for textile functionalization are enhancing the parent properties of the synthetic fibers such as polyacrylonitrile (PAN) and developing new products
Hybrid composite chitosan-titania finishing followed by simultaneous UV absorber finishing/dyeing enhances ultraviolet protection factor (UPF) significantly (108)
Even after that reduction in bursting strength of the finished PAN fabric is still has an acceptable level to be used as a textile with suitable mechanical properties
Summary
The most significant reasons for textile functionalization are enhancing the parent properties of the synthetic fibers such as polyacrylonitrile (PAN) and developing new products. PAN fibers claim a prominent role in the synthetic fiber category and replace wool in many respects in clothing and the related industry. They are used primarily for the manufacture of bulk yarns and sweaters. Wide varieties of products for PAN have been available for different applications, including water absorbent and antimicrobial fibers. They are the most used material in the textile industry and related industries by combining desirable characteristics such as high outdoor and chemical tolerance, outstanding elasticity, and aesthetical properties.
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