Using talc/glass fiber as mixed reinforcing extruder. The effects of the, ratio of talc to glass fiber on system, reinforced PA66 was prepared by a twin-screw the mechanical properties of composites were studied. The microstructure, crystallization behaviors in cooling process were studied by means of SEM and DSC. The results demonstrate a synergy between the reinforcements at the two different types. The tensile strength, flexural strength and notched impact strength of composites effectively increase and good reinforcement for PA66 is obtained when the optimal quality ratio of PA66/talc/glass fiber is 70：5：25. Results of DSC show that the existences of talc and glass fiber, which can increase the crystallization temperature and crystallinity, have the heterogeneous nucleation effect on PA66. Most of talc and glass fiber dispersed evenly in the PA66 matrix and glass fiber oriented Obviously along the surface of talc. Because of the synergistic effects between hybrid components, a special 3-D network architecture was formed.
Polymer Materials Science ＆ Engineering