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International Journal of Plastics Technology
Published in: International Journal of Plastics Technology 1/2017

24-04-2017 | Research Article

Phase morphology, mechanical, dynamic mechanical, crystallization, and thermal degradation properties of PP and PP/PS blends modified with SEBS elastomer

Authors: Jyotishkumar Parameswaranpillai, Seno Jose, Suchart Siengchin, Nishar Hameed

Published in: International Journal of Plastics Technology | Issue 1/2017

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Abstract

Binary and ternary blends comprised of polypropylene (PP), polystyrene (PS) and polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene (SEBS) were prepared. The effect of phase composition of minor components on the morphology, mechanical, viscoelastic, crystallization, and thermal degradation properties was studied. Binary blends exhibited inferior properties, typical of immiscible and incompatible multi-phase systems and showed matrix-droplet phase morphologies. Ternary blends, especially those with greater concentration of SEBS minor phase, exhibited interesting properties. Scanning electron micrographs of SEBS compatibilized PP/PS blends, did not show any PS particle pulling out of the PP matrix, indicating good compatibility of SEBS with PP/PS blends. Dynamic mechanical analysis also supported the heterogeneous phase structure of the blends. Thermogravimetry and differential scanning calorimetry showed that addition of PS and SEBS decreased the thermal stability of PP marginally, but shows slight variations in melting and crystallization behavior.
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Metadata
Title
Phase morphology, mechanical, dynamic mechanical, crystallization, and thermal degradation properties of PP and PP/PS blends modified with SEBS elastomer
Authors
Jyotishkumar Parameswaranpillai
Seno Jose
Suchart Siengchin
Nishar Hameed
Publication date
24-04-2017
Publisher
Springer India
Published in
International Journal of Plastics Technology / Issue 1/2017
Print ISSN: 0972-656X
Electronic ISSN: 0975-072X
DOI
https://doi.org/10.1007/s12588-017-9172-9

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