Brominated butadiene/ethylene aromatic copolymer(Br-SBS) is a new environmental protection broad spectrum flame retardant, whice can be used as an additive environmental protection flame retardant. It is widely used in EPS, extruded board XPS, polystyrene, polypropylene, high impact polystyrene, polypropylene, ABS, polyethylene, polycarbonate, unsaturated polyester and other materials, and is currently widely used and controversial flame retardant hexabromocyclododecane excellent alternative products.