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Influence of stabilization additive on rheological, thermal and mechanical properties of recycled polypropylene [Elektronski vir]Mihelčič, Mohor ...To decrease the amount of plastic waste, the use of recycling techniques become a necessity. However, numerous recycling cycles result in the mechanical, thermal, and chemical degradation of the ... polymer, which leads to an inefficient use of recycled polymers for the production of plastic products. In this study, the effects of recycling and the improvement of polymer performance with the incorporation of an additive into recycled polypropylene was studied by spectroscopic, rheological, optical, and mechanical characterization techniques. The results showed that after 20 recycling steps of mechanical processing of polypropylene, the main degradation processes of polypropylene are chain scission of polymer chains and oxidation, which can be improved by the addition of a stabilizing additive. It was shown that a small amount of an additive significantly improves the properties of the recycled polypropylene up to the 20th reprocessing cycle. The use of an additive improves the rheological properties of the recycled melt, surface properties, and time-dependent mechanical properties of solid polypropylene since it was shown that the additive acts as a hardener and additionally crosslinks the recycled polymer chains.Source: Polymers [Elektronski vir]. - ISSN 2073-4360 (Vol. 14, iss. 24, Dec. 2022, str. 1-16)Type of material - e-articlePublish date - 2022Language - englishCOBISS.SI-ID - 133580547
Author
Mihelčič, Mohor |
Oseli, Alen |
Huskić, Miroslav |
Slemenik Perše, Lidija
Topics
recikliranje |
polipropilen |
stabilizacijski aditivi |
reološke lastnosti |
termične lastnosti |
mehanske lastnosti |
recycling |
polypropylene |
stabilization additive |
rheological properties |
thermal properties |
mechanical properties
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Database name | Field | Year |
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Mihelčič, Mohor | 33498 |
Oseli, Alen | 35754 |
Huskić, Miroslav | 10692 |
Slemenik Perše, Lidija | 22701 |
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