Abstract
Melamine cyanurate (MCA) and triphenyl phosphate (TPP) were added in unsaturated polyester resin (UPR) and the combustion behaviour were investigated. Flame retardant and thermal stability were investigated through limiting oxygen index test (LOI), vertical burning test (UL-94) and thermogravimetric analysis (TGA). The scanning electron microscopy (SEM) and TGA analyses showed that the char yield was increased by the introduction of MCA and TPP system. Therefore, a profound flame retardant effect was obtained as MCA and TPP were added to UPR.
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