Search results for "polyethylentherephthalate"
showing 2 items of 2 documents
Effect of a Compatibilizer on the Morphology and Properties of Polypropylene/Polyethylentherephthalate Spun Fibers
2017
Fibers spun by melt spinning of binary and ternary polypropylene/ polyethylenetherephthalate blends have been produced and characterized in order to investigate the effect of a compatibilizer on their morphology and mechanical properties. The compatibilizer was a maleic anhydride-functionalized rubber copolymer. The effect of the compatibilizer was well evident in the isotropic state, as the morphology became very fine, the size of the dispersed particles was very small, and the adhesion was better. The effect of the compatibilizer on the mechanical properties is very relevant, especially in the elongation at break. On the contrary, no relevant effect was observed in the anisotropic oriente…
Morphology and properties of compatibilized PP/PET melt spun fibers
2017
This work provides a study on the influence of a rubbery compatibilizer on the morphology and on the physical properties of polypropylene (PP)/polyethylenetherephthalate(PET) melt spun fibers at different hot draw ratios. In particular, a sample of SEBS copolymer grafted with maleic anhydride was used as compatibilizer. Both the uncompatibilized PP/PET blend and the compatibilized one were prepared by melt compounding in a counter-rotating twin-screw extruder. The materials have been characterized from a rheological, morphological and mechanical point of view. The addition of the compatibilizer increased the viscosity in shear flow of the uncompatibilized blend, and significantly improved t…