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M. El Fray

The morphology and impact properties of PP/PBT blends. RAPID COMMUNICATION

Polimery 1999, No 1, 59

DOI: dx.doi.org/10.14314/polimery.1999.059


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.

Keywords: polypropylene/poly(butylene terephthalate) blends, morphology, mechanical properties, effect of multiblock terephthalate copolymer as additive
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