Fig. 6From: Enhancing the mechanical and thermal properties of polypropylene composite by encapsulating styrene acrylonitrile with ammonium polyphosphateSEM morphologies of the fractured surface of a pure PP ×2000; b PP/TAPP20; c PP/(SAN10 + TAPP10) ×2000; d PP/SAN–TAPP10 ×2000; e PP/SAN–TAPP20 ×2000Back to article page