Abstract
In recent years, the use of functional textiles has attained attention due to their advantageous health and safety issues. Therefore, this study investigated the flame retardancy on cotton (COT) and polyester-cotton (PC) fabrics treated with different concentrations of silica and zinc nanoparticles through a sol-gel finishing technique. FTIR, SEM, and TGA were conducted for the characterization of coated fabric samples. The FTIR and SEM of Pristine and Treated Cotton and PC fabrics illustrated that the SiO2 (silica dioxide) and ZnO (Zinc oxide) nanoparticles were homogeneously attached to the fiber surface, which contributed to the enhancement of the thermal stability. The starting thermal degradation improved from 320 to 350 °C and maximum degradation was observed from 400 to 428 °C for the COT-2 cotton substrate. However, the initial thermal degradation improved from 310 to 319 °C and the highest degradation from 500 to 524 °C for the PC substrate PC-2. The outcomes revealed that the silica has a greater influence on the thermal properties of COT and PC fabric samples. Additionally, the tensile strength and flexural rigidity of the treated samples were improved with an insignificant decrease in air permeability.
Highlights
Textiles are the most popular materials for the protection and comfort of humans of all ages [1], due to health and safety issues in recent years [2]
They exhibit high reactivity and cross-linking for siloxane functionalization to enhance high washing durability and thermal stability [39]. In this respect, these properties are attributed to the most suitable, easy, and promising fixation of FR elements into the molecular structure of treated fabrics [40]. The goals of this investigation are to examine the synergistic effects of silica (SiO2 ) and zinc oxide (ZnO) on the flame retardant properties of cotton and polyester-cotton (PC) fabrics through the sol-gel process, since inorganic metallic ions have more stability than organic metals that incorporate readily with cellulosic fibers and their blends [41]
In this research, the flame retardancy on COT and PC fabrics treated with different concentrations of silica and zinc nanoparticles through the sol-gel finishing technique [34] have been investigated and evaluated for thermal stability
Summary
Textiles are the most popular materials for the protection and comfort of humans of all ages [1], due to health and safety issues in recent years [2]. Organosilicon derivatives (silanes and polysiloxanes) have been applied to cotton fabrics for high FR efficiencies and protection coatings [38] They exhibit high reactivity and cross-linking for siloxane functionalization to enhance high washing durability and thermal stability [39]. In this respect, these properties are attributed to the most suitable, easy, and promising fixation of FR elements into the molecular structure of treated fabrics [40] The goals of this investigation are to examine the synergistic effects of silica (SiO2 ) and zinc oxide (ZnO) on the flame retardant properties of cotton and polyester-cotton (PC) fabrics through the sol-gel process, since inorganic metallic ions (silica, zinc oxide, alumina, and zirconia) have more stability than organic metals that incorporate readily with cellulosic fibers and their blends (like PC) [41]. In this research, the flame retardancy on COT and PC fabrics treated with different concentrations of silica and zinc nanoparticles through the sol-gel finishing technique (acts as barrier to heat and oxygen transfer through substrate) [34] have been investigated and evaluated for thermal stability
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