Multifunctional Smart Nanocolorants for Simultaneous Printing and Antibacterial Finishing of Cotton Fabrics

Abstract

T HE presented work studied the synthesis of a new multifunctional smart nanocolorant based on natural clay (montmorillonite K10), chitosan and metal nanoparticles (CuO, ZnO, TiO 2 or Ag) using ultrasonic technology. The prepared nanocolorants were characterized for their particle size and properties. These nanocolrants were used in printing paste for application to cotton fabric before and after sonication. Surface morphology antibacterial activity and fastness properties were evaluated for treated fabrics. It is observed that fabrics printed with prepared materials after sonication acquire much smoother surface than those printed with prepared materials before sonication. The new hybrid particles are small enough to diffuse into fibers and they create high fastness properties. In addition, printed fabrics with hybrids particles are highly fixed on the fabric surface.

Chitosan: A biopolymer for textile processes and products

“…CS has also been used in textile printing with synthetic and natural colorants to improve colorant uptake and impart comparable colorfastness to textiles. [214][215][216][217] As CS possesses water-binding capacities and reactive properties due to the presence of -NH 2 and -OH groups, it was used as a thickener and binder in textile printing. 218,219 Abdou et al 220 used blends of CS/starch as a thickener in the screen printing of different textile samples (nylon 6, cotton and polyester).…”

Investigating the properties of rubbing fastness in jute-cotton blended pigment-printed fabric

“…This film can be affixed to the fabric surface through either internal or external cross-linking between the fiber and the binder. Unlike dyeing techniques, which involve the penetration of color into the fabric, textiles colored with pigments require a curing process [13,14]. The reason for this is that pigments do not naturally have an affinity for textiles, so binders are necessary to secure the pigments onto the material.…”

Color data and antibacterial properties of smart Ag/polypyrrole-nanocoated cotton fabric

“…Cotton fabric in contact with the human body, it offers an environment for microbial growth as it has a large surface area, absorbs moisture and retains oxygen and other possible nutrients [1]. Thus, awareness has been growing for the production of medical textiles [2][3][4][5].…”