چكيده لاتين :
In this study, polypropylene (PP) and polyethylene terephthalate (PET) were blended
using a single screw extruder and then fibre formation was carried out through
the spinneret. The effects of PET content and PP-g-GMA as a compatibilizer were
also investigated . The morphology and mechanical properties of uncompatibilized and
compatibilized PP/PET fibres were comprehensively assessed utilizing scanning electron
microscopy (SEM) and tensile experiments. Likewise , the drawabilities of both
compatibilized and uncompatibilized systems using hot and cold methods were evaluated.
It was observed that the optimum fibrillar distributed morphol ogy ould be
achieved at 8 wt% of PET. Furthermore, addition of compatibilizel" showed no significant
morphology changes and mechanical performance improvement, although applying
3.5 wt% PP-g-GMA would result in higher crystall inity in fibres due to the nucleating
effect of compatibilizer in these blends . However, the total results suggest that the
fibre blend system would be improved using suitable amount of compatibilizer with
proper grafting of GMA onto PP. Finally, in order to investigate the effect of compatibilizer,
a sample of PP/PET blend was compatibilized with PP-g-MA as well . Mechanical
properties data have shown that the PP/PET blend compatibilized with PP-g-GMA has
a significant performance compared to other systems.
