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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
ISSN Print 0025-5289
ISSN Online 2668-8220
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Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 4, 727-732



Maria Rapa, Paul Niculae Ghioca, Ecaterina Matei, Elena Grosu, Lorena Iancu, Bogdan Spurcaciu, Ramona Marina Grigorescu, Alexandra Pica, Constantin Andrei Berbecaru, Corneliu Cincu

Influence of Styrene Block Copolymers on Thermal and Mechanical Properties of Recycled Polypropylene


Abstract:
In this work, two commercial block copolymers namely, styrene-ethylene/butylene-styrene (SEBS) and styrene-butadiene-styrene (SBS) with the same amount of styrene were investigated to enhance the properties of recycled polypropylene (RPP) from post-consumer boxes. The amount of elastomer varied from 10 wt.% to 30 wt.% relative to RPP. The elastomer content influence on structural (MFI, DSC, VICAT, HDT, XRD) and mechanical properties (tensile properties, IZOD impact, hardness) of the RPP/SEBS and RPP/SBS blends was studied. The obtained resuls showed that the addition of both elastomers into recycled polypropylene had a similar effect on modification the RPP properties, but SEBS exhibited a higher increase of elongation at break and IZOD impact than SBS, due to a good compatibility with polymeric matrix.


Keywords:
recycled polypropylene; block-copolymers; properties; waste management

Issue: 2016 Volume 53, Issue 4
Pages: 727-732
Publication date: 2016/12/30
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