Abstract
A modified nano‐hydrotalcite was used as inorganic flame‐retardant fillers for poly(ethylene terephthalate) (PET) polymers. A flame‐retardant compound was obtained from layered hydrotalcite (LDH) dispersed in brominated polystyrene (PBS) solution and then solvent evaporation from the dissolved PBS samples. The compound of PBS/LDH was characterized by X‐ray diffraction (XRD), transmission electron microscopy (TEM) and thermogravimetric analysis (TGA) and was found to have high aspect ratio LDH dispersed in the PBS matrix. Flame‐retardant PET composite was prepared by melt‐compounding the flame‐retardant compound of PBS/LDH and PET. Improvement in the fire retardancy of the nano‐flame‐retardant PET composite obtained was found by measuring the oxygen index. The nanostructure of flame‐retardant PET composite was chirecterized by scanning electron microscopy (SEM) of flame‐retardant PET composite. The mechanical properties of the flame‐retardant PET nano‐composite were also characterized.
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