Due to combustible household items, such as computers, chargers, televisions, and other home appliances, civilization has come to require a strong need for the prevention of fire. Two major issues that arise, in order to solve this matter, is the ability for materials to resist flames and interrupt the combustion cycle of the flame. Due to environmental concerns, a non-halogenated and phosphorus based compound is a solution that is already in use. In order to synthesize a more thermally stable fire retardant (FR), the phosphorus based compounds are going to be synthesized into higher molecular weight solids because the solid phase FRs are easiest to work with. Optimization of the synthesis process for 1,3,5-tris(diphenoxyphosphoryl)benzoate (1,3,5-DPP), 1,3,5-tris(phenoxyphosphoryl) dibenzoate (1,3,5- PPDB), and 1,3,5-tris(phenoxyphosphoryl) tribenzyldicarboxylic acid (1,3,5-PPTBDA) will be done via a microwave synthesis in bulk. Finally, characterization of the finished products will be done using Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), nuclear magnetic resonance (NMR), and thermogravimetric analysis (TGA), in order to determine each compounds capability as a high quality flame retardant polymer.

Synthesis of phosphorus based flame retardants via microwave synthesis

252nd National Meeting (2016)

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