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Thermoplastic polyurethane (TPU) and isotactic polypropylene (iPP) composites and their talc reinforced blends containing untreated and silane treated talc were investigated. The talc surface was modified with organosilane coupling agent in order to improve the polymer–filler interface interaction. TPU has been blended with iPP in a twin screw extruder and samples for investigation were prepared by...
Stable polypropylene, PP – low molecular weight modifier systems were prepared in order to analyze the influence of the physical state of the amorphous phase on thermo-mechanical properties. The modifier was introduced into solidified material by diffusion to the amorphous phase regions. The change of state of stress of the transmitters connecting adjacent crystals caused by substantial increase of...
In this work, the impact fracture behavior and the damage mechanisms of PP/EVOH blends compatibilized with ionomer Zn2+ were investigated, focusing on the effect of the compatibilizer and the EVOH content. Initiation energy release rate (GIC) values for the blends with EVOH content lower than 30 wt % were slightly lower or similar to that of neat PP, probably due to the premature failure induced by...
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