engleski

The Influence of Aluminosilicate on Thermal Properties of Cotton Fabric

Cotton fabric and blends is the most commonly used textile material in design and production of protective clothing, accounting for more than 60% of the world annual consumption. However, as mainly consisting of cellulose, cotton textiles are the most flammable materials it is necessary to improve its flame retardancy. For this purpose dyed cotton fabric has been treated with zeolite added to the bath with flame retardant. Natural zeolite (clinoptilolite) was applied in three different concentrations, whilst the traditional flame retardant based on organophosphonate, and crosslinking agent based on melamine resin were applied in full and a half concentration. Such finished cotton fabrics were characterized by FTIR ; thermal properties were determined by using Micro Combustion Calorimeter (MCC) and Thermogravimetric analysis (TGA) ; and burning behavior vertically oriented specimens was determined by the bottom edge ignition according ASTM D6413-13, and the candle-like ignition according to ISO 4589:1996 in Limiting Oxygen Index (LOI) Chamber (Dynisco). The aluminosilicates added to the bath contributed to flame retardancy of fabrics. Furthermore, treated cotton fabrics show high protective properties after 3 washing cycles.

cotton; flame retardancy; aluminosilicate; FTIR; TGA; MCC; LOI

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