A study on coating with nanoclay on the production of flame retardant cotton fabrics

Abstract

In this study, 100% cotton fabrics' flame retardant properties were improved using commercial nanoclay (Cloisite 20A), clay-based montmorillonite. Flame retardancy and thermal decomposition behavior of the samples were characterized by the vertical burning test, limiting oxygen index (LOI), and thermogravimetric analysis (TGA). The surface morphology of untreated and treated fabric was examined using a scanning electron microscope (SEM). Fourier-transform infrared spectroscopy (FTIR) analysis was carried out for Cloisite 20A, untreated, and coated fabrics. The test results showed that the coating treatment, even at low nanoclay concentration, is enough to have a considerable flame retardant effect. This result was attributed to the barrier effect of the nanoclay.

Two different routes to prepare porous biodegradable composite membranes containing nanoclay

“…The photomicrographs of the C20A (Figure 6) verified that the raw material used in this work is like Cloisite® 20A nanoclay in other studies 67,77,78 . First, a general dispersion of powdered C20A is noted (Figure 6a).…”

“…Kertmen and co‐workers studied the thermal behavior of Cloisite® 20A, which at 1096.6°C still possessed 60.1% R %. 67 The peaks of the DTG curves of C20A (Figure 3b) showed a T max of 304.6°C. Kertmen and co‐workers found a T max of 309.1°C, like C20A (306.6°C).…”

“…Kertmen and co‐workers found a T max of 309.1°C, like C20A (306.6°C). The values seen for the modified clay may refer to eliminating residual moisture due to the degradation of the organic component 67 and by agglomeration, justified by DLS and zeta potential.…”

“…Kertmen and co-workers studied the thermal behavior of Cloisite ® 20A, which at 1096.6 C still possessed 60.1% R %. 67 The peaks of the DTG curves of C20A (Figure 3b)…”

“…The photomicrographs of the C20A (Figure 6) verified that the raw material used in this work is like Cloisite ® 20A nanoclay in other studies. 67,77,78 First, a general dispersion of powdered C20A is noted (Figure 6a). However, at higher magnification (Figure 6b), it is observed that the dispersed nanoparticles can be small overlapped lamellar clusters, a common feature for nanoclays, 79 corroborating the DLS and Zeta potential results.…”