The morphology and impact properties of PP/PBT blends. RAPID COMMUNICATION
Polimery 1999, No 1, 59
Morphology, impact strength and tensile strength were studied in 60/40 and 70/30 polypropylene/poly(butylene terephthalate) (PP/PBT) blends containing small amounts of multiblock terephthalate copolymers. The copolymer was (i) lab-synthesized polyester of PBT and dimerized fatty acid (DFA) and (ii) a commercial poly(ester-ether), Elitel™. Scanning electron microscopy (SEM) was used to study sections of the blends. The multiblock copolymer introduced as additive enhanced the mechanical properties of the blends.