Research Article

Polystyrene/Montmorillonite Nanocomposites: Study of the Morphology and Effects of Sonication Time on Thermal Stability

Table 1

Product data for PS-330.

PropertyUnitValueTest method

Melt index (200°C, 5 KG)g/10 min3.0ASTMD-1238
Density (23°C)g/cm31.04D-792
Bulk density (Method B)g/cm30.60D-1895
Ultimate tensile elongation%50ASTMD-638
Ultimate tensile strength MPa29ASTMD-638
Tensile modulus MPa2353ASTMD-638
Flexural strengthMPa44ASTMD-790
Flexural modulus MPa2647ASTMD-790
Notched Izod impact strength at 23°C J/m110ASTMD-256
Victa softing temperature °C99ASTMD-1525
Rockwell hardness (L-scale)67ASTMD-785