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W. Brostow, V. M. Castańo, G. Martinez-Barrera

Gamma irradiation effect on polystyrene + SBR blends:

morphology and microhardness (in English)

Polimery 2005, No 9, 657



Summary

Blends with 0, 5, 10 and 13 weight % of styrene/butadiene (SBR) copolymer embedded in a rigid polystyrene matrix were prepared. Microhardness was determined and morphology evaluated by scanning electron microscopy (SEM) before and after gamma irradiation. We relate the morphology to chemical structure and to composition of the SBRs as well as to irradiation dosages. We also connect the microhardness to the impact strength determined previously.


Key words: polymer blends, polystyrene, SBR, microhardness, impact behavior, gamma irradiation, SEM, surface morphology


W. Brostow, V. M. Castańo, G. Martinez-Barrera (1.69 MB)
Gamma irradiation effect on polystyrene + SBR blends: morphology and microhardness (in English)