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Physical and mechanical properties of SEBS/polypropylene nanocomposites reinforced by nano CaCO 3
Author(s) -
Qazviniha M. R.,
Abdouss M.,
Musavi M.,
Mazinani S.,
Kalaee M.
Publication year - 2016
Publication title -
materialwissenschaft und werkstofftechnik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.285
H-Index - 38
eISSN - 1521-4052
pISSN - 0933-5137
DOI - 10.1002/mawe.201500396
Subject(s) - nanocomposite , polypropylene , materials science , composite material , nano , ultimate tensile strength , polymer , copolymer , scanning electron microscope , dispersion (optics) , calcium carbonate , physics , optics
In present study, styrene‐b‐(ethylene‐co‐butylenes)‐b‐styrene triblock copolymer (SEBS) and polypropylene (PP) are prepared. This mixing is followed by adding 3, 5 and 10 wt% of nano CaCO 3 . The morphology and thermal behavior of PP/SEBS/nano‐CaCO 3 compounds are characterized by different methods. Scanning electron microscopy micrographs of cryo‐fractured PP/SEBS/nano‐CaCO 3 nanocomposites show that with increasing nano‐CaCO 3 loading, the aggregation becomes worse. However, followed by adding 5 wt% nano‐CaCO 3 into PP/SEBS nanocomposites, nano‐CaCO 3 is homogeneously dispersed in PP matrix. The photomicrograph of transmission electron microscopy confirms that SEBS/PP/nano‐CaCO 3 nanocomposites are formed, as low aggregations of calcium carbonate were well‐dispersed in polymer matrix. With a rise in nano‐filler content, the tensile and impact strength of PP/SEBS/CaCO 3 nanocomposite are fixed while the elastic modulus of PP/SEBS nanocomposites increases followed by adding nano‐CaCO 3 to polymer blend, which could be due to the acceptable nano‐CaCO 3 dispersion quality.