Dynamic mechanical properties of polystyrene-polyurethane blends

 
see the original item page
in the repository's web site and access all digital files if the item*
share




1991 (EN)
Dynamic mechanical properties of polystyrene-polyurethane blends (EN)

Theocaris, PS (EN)
Kefalas, V (EN)

N/A (EN)

Four polystyrene-polyurethane mechanical blends were prepared with 5, 10, 20, and 40% thermoplastic polyurethane, respectively. Their impact properties were compared with pure polystyrene and commercial types of impact polystyrene. The rheological properties of the blends were studied with DSC and dynamic mechanical spectroscopy. It was found that addition of softer polyurethane conglomerates embedded inside the polystyrene matrix, although increasing the toughness of the blend as expected from addition of the softer particulate, also increased the glassy region of the blends by shifting their T(g)S to higher temperatures. A theory based on the interaction of phases was propounded explaining this phenomenon. (EN)

journalArticle

Dynamic Mechanical Spectroscopy (EN)
Plastics Blends (EN)
Polystyrenes (EN)
Izod Strength (EN)
Mechanical Property (EN)
Polyurethanes (EN)
Impact Properties (EN)

Εθνικό Μετσόβιο Πολυτεχνείο (EL)
National Technical University of Athens (EN)

Journal of Applied Polymer Science (EN)

English

1991


JOHN WILEY & SONS INC (EN)



*Institutions are responsible for keeping their URLs functional (digital file, item page in repository site)