Effect of Compatibilizer on Morphology and Mechanical Properties of PA6/SEBS Blends

In this work, polystyrene-b-poly(ethylene-co-butylene)-b-polystyrene (SEBS) was used as toughening agent for polyamide 6 (PA6) and the maleated SEBS (SEBS-g-MA) as compatibilizer for the blends of PA6/SEBS which have potential use in automotive industry. The blends were mixed in a twin-screw extruder and molded by injection molding and then submitted to tensile strength and notched izod impact strength tests, followed by compatibility and morphology evaluation of the blends by taking SEM micrographs of the xylene-etched fractured surfaces. Results showed that impact strength of the simple blends increased compared with the neat PA6 sample. However addition of 2% SEBS-g-MA showed finer morphology and higher mechanical properties

کلیدواژه ها:

PA6/SEBS ، SEBS-g-MA ، toughening ، melt blending ، compatibilizer