Dhaka 1216;
andInteriors;
United States;
Department of TextileEngineering;
Bangladesh University of Business andTechnology;
Mawlana Bhashani Science and TechnologyUniversity;
JashoreUniversity of Science and Technology;
Department of Textiles;
Department of Materials Science andEngineering;
Georgia 30602;
Jashore 7408;
Tangail 1902;
Tangail 1902;
Bangladesh;
Merchandising;
Department of TextileEngineering;
University of Georgia;
Michigan Technological University;
Department of Textile Engineering;
United States;
Athens;
Bangladesh;
Department of Textile Engineering;
Michigan 49931;
Mawlana Bhashani Science and Technology University;
and Interiors;
Houghton;
关键词：
phytic acid;
flame retardant;
cotton fabric;
green coconut shell (GCS) extract;
washing durability;
limiting oxygen index (LOI);
期刊名称：
ACS Chemical Health & Safety
i s s n：
年卷期：
2025 年
32 卷
1 期
页 码：
57-65
页 码：
摘 要：
This study presents an eco-friendly flame-retardant solution for cellulosic fabrics using green coconut shell (GCS) extract and phytic acid (PA). Cellulosic materials are highly flammable and release harmful gases during combustion. Conventional flame retardants may pose environmental and health risks while impacting the fabric quality. GCS extract is a rich source of tannins, phosphorus, silicates, metallic salts, and oxides and is explored as a novel flame retardant (FR) for cotton fabrics. Cotton samples were pretreated with PA and then with varying concentrations of GCS extract using a padding technique. Comprehensive characterization followed, including limiting oxygen index (LOI), thermogravimetric analysis (TGA), derivative thermogravimetry (DTG), burning time tests, scanning electron microscopy (SEM), energy-dispersive X-ray (EDX) analysis, Fourier-transform infrared spectroscopy (FTIR), tensile strength, and wash durability assessments. The treated samples exhibited improved flame resistance properties, with LOI values increasing from 18 to 29.5. TGA results indicated enhanced thermal stability, while FTIR analysis confirmed higher phenolic hydroxyl content in treated samples. SEM imaging verified GCS extract deposition and EDX analysis revealed key elements such as Na, Al, P, S, K, and Ca on the treated surfaces. The combination of GCS extract and PA offered a sustainable and effective flame-retardant solution for cellulosic fabrics. The naturally sourced elements help to enhance fire resistance while preserving environmental and material integrity.
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