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Experiment Research of Halogen-Free Flame Retardant System for Oil-Extended SEBS

By using Bisphenol A bis (diphenyl) phosphate ester (BDP) and a kind of Intumescent Flame Retardant (IFR) as Halogen-free Flame Retarding (HFFR), flame retarded oil-extended hydrogenated styrene-butylenes-styrene (SEBS) were prepared. The samples were systemically characterized by TGA, LOI and FESEM; influence of BDP and IFR for oil-extended SEBS was compared. The results showed that BDP can improve thermal decomposition temperature of SEBS; while the IFR retardant can produce remarkable residual chars to improve SEBS’s decomposition temperature; meanwhile BDP and the IFR retardant can bring synergistic effects in the flame retardancy for the oil-extended SEBS.