Studying the properties of prepared kaolin/epoxy nanocomposites for flame retardancy

Authors

DOI:

https://doi.org/10.31349/RevMexFis.72.061003

Keywords:

Flame Retardant, flammability properties, kaolin, limiting oxygen index, rate of burning

Abstract

Numerous everyday goods, including fabrics, electrical appliances, vehicles, and airplanes, are currently undergoing extensive testing and inspection for their flammability features. By lowering the total fire risk associated with the use of highly flammable raw materials in goods such as textiles, apparel, composites, and plastics, flame retardants perform a critical protective role in preserving lives and property. In this study, kaolin and epoxy were used to prepare a nanocomposite flame retardant. The used kaolin was tested by X-ray diffraction and (AFM) tests. The results showed that the powders possess multi-phases and also have a mean grain size of (38 nm) and root mean square (RMS) of (12.25). Also, the energy dispersive (XRD) spectroscopy analysis (EDX) showed that the presence of the essential elements of these powders was accurate and clear. The nanocomposites were prepared by mixing the kaolin nanopowder with the epoxy resin by weight percentages of (2, 4, 6, 8 and 10%). To determine the efficiency of these additives in flame retardant and to increase the combustion resistance of epoxy resin, different methods of measurement were used according to ASTM; average time of burning, average extent of burning, rate of burning, limiting oxygen index, maximum flame height and residue percentage succeeding combustion. Based flame retardant is commercially successful and they are more environmentally friendly as compared to halogenated and non-halogenated inorganic or organic types and they are being applied suitably with a cross-inker and/or binder copolymer that makes the FRs more resistant to common weathering conditions and exposures. They also produce less or no obnoxious gases while burning.

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Published

2026-11-01

How to Cite

[1]
saif saif, M. T. Abd, and I. N. Kashkool, Studying the properties of prepared kaolin/epoxy nanocomposites for flame retardancy, Rev. Mex. Fís. 72, (2026).