Halogen-free flame retardant ABS was prepared by using intumescent flame retardant (IFR) composed of ammonium polyphosphate and pentaerythritol.

• 采用聚磷酸铵与季戊四醇组成的膨胀型阻燃剂(IFR)制备了膨胀型无卤阻燃ABS材料。