Abstract
Blending polytetrafluorothylene (PTFE) to PA6 at different compositions was produced in a corotating twin screw extruder where, PTFE acts as the polymer matrix and PA6 as the dispersed phase. The morphology and flexural properties of these blends were investigated using scanning electron microscopy. The presence of PA6 particles dispersed in the PTFE continuous phase exhibited a coarse morphology. Increasing PA6 contents in the blend improved the flexural properties at weak deformation. The interfacial adhesion played an important role in the creation of an interphase that was formed by the interaction between the PTFE and PA6. This induced an improvement in flexural properties. The optimum flexural properties were obtained when the content of PA6 is 30 vol.-%.
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