Enhanced Fire Retardancy of Polyvinylchloride by combination with graphene and magnesium hydroxide

Today, many studies are being carried out on fire proofing the materials, especially polymerrs. However, due to the variety of products in the polymer industry and their difference in terms of the type of the primary materials, the method of fire retardancy andintended features for the final product and other issues, the scope of performing these studies has been highly developed. One of the primary materials in this industry is polymer organic materials which contain carbon and hydrogen as the main elements and are destroyed under hear and their ignition has many risks. The purpose of this study was the synthesis ofmagnesium hydroxide and Graphene nanoparticles as polymer filler in order to improve the thermal resistance of PVC (polyvinyl chloride) that is highly used in the industry and their identification was done by FT-IR, SEM, and XRD. Four samples of composite from PVCand Mg(OH) 2 with ratios of 10/90, 20/80, 30/70 and 40/60 and four samples of composite from PVC and Mg(OH) 2with ratios of 5/5/90, 10/10/80, 15/15/70 and 20/20/60 were madeand their thermal behaviors were studied. The results show that the thermal resistance of polymer, melting point and percentage of residual mass of composite increase with the increase of magnesium hydroxide percent in the composites. Also, adding Graphene to the composites increases thermal resistance and the percentage of their residual mass.

Keywords:

Fire Retardancy , Graphene oxide , Poly (vinyl chloride) , Nano Mg (OH)2 , Nano Composite