Layer-By-Layer Self-Assembled Dip Coating for Antifouling Functionalized Finishing of Cotton Textile

Abstract

The fouling of surfaces such as textiles is a major health challenge, and there is a continuous effort to develop materials and processes to overcome it. In consideration of this, this study regards the development of antifouling functional nanoencapsulated finishing for the cotton textile fabric by employing a layer-by-layer dip coating technique. Antifouling textile finishing was formulated by inducing the nanoencapsulation of the antifouling functional group inside the hydrophobic polymeric shell. Cotton fabric was taken as a substrate to incorporate antibacterial functionality by alternatively fabricating multilayers of antifouling polymeric formulation (APF) and polyelectrolyte solution. The surface morphology of nanoencapsulated finished textile fabric was characterized through scanning electron microscopy to confirm the uniform distribution of nanoparticles on the cotton textile fabric. Optical profilometry and atomic force microscopy studies indicated increased surface roughness in the coated textile substrate as compared to the uncoated textile. The surface thickness of the fabricated textile increased with the number of deposited bilayers on the textile substrate. Surface hydrophobicity increased with number of coating bilayers with θ values of x for single layer, up to y for 20 bilayers. The antibacterial activity of the uncoated and layer-by-layer coated finished textile was also evaluated. It was significant and exhibited a significant zone of inhibition against microbial strains Gram-positive S. aureus and Gram-negative E. coli. The bilayer coating exhibited water repellency, hydrophobicity, and antibacterial activity. Thus, the fabricated textile could be highly useful for many industrial and biomedical applications.

Modeling Solution Drying by Moving a Liquid-Vapor Interface: Method and Applications

“…For drying films, spherical droplets, and cylindrical droplets, this condition can be satisfied and the systems can be modeled with the moving interface method. Examples include a liquid film generated by dip coating [ 73 ], respiratory droplets suspended in air [ 17 ], solution droplets created by a spray drying process [ 74 ], and a polymer fiber during electrospinning [ 75 ]. However, for systems in which the solvent develops flow patterns during drying, the moving interface method cannot be directly employed.…”

Polymeric Nano-Emulsion in Functional Textile Finishing

“…Textile functionalization with antifouling chemicals has enabled several biomedical uses, including bandages, wound treatment, artificial sutures, body implants, and tissue scaffolding. Nano-emulsion enhances textiles by immobilizing polymeric nanoparticles on their surface by encapsulating active substances [34].…”

Diverse Structural Design Strategies of MXene-Based Macrostructure for High-Performance Electromagnetic Interference Shielding

“…LBL films constructed using two phases with differing impedances may trigger significant internal scattering at the internal interfaces. Spin coating [73], spray coating [74], dip coating [75], solution casting [76], and interfacial assembly are common solution processing methods used to build LBL structures [77]. The hydrophilic surfaces of exfoliated MXene sheets allow for the preparation of steady dispersions in aqueous and organic solvents, allowing solution treatment of a variety of nanostructures and polymers [78].…”