Effects of ov-poss nanoparticles on the vulcanization kinetics of natural rubber compounds [Vpliv ov-poss nanodelcev na kinetiko vulkanizacije naravnih spojin gume]

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Üçtepe, Ebru and Yazýcý, Nazlý and Kodal, Mehmet and Karaaðaç, Baðdagül and Özkoç, Güralp (2021) Effects of ov-poss nanoparticles on the vulcanization kinetics of natural rubber compounds [Vpliv ov-poss nanodelcev na kinetiko vulkanizacije naravnih spojin gume]. Materiali in Tehnologije, 55 (6). pp. 825-831. ISSN 1580-2949 (Print) 1580-3414 (Online)

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Abstract

Polyhedral oligomeric silsesquioxanes (POSSs) are new-generation additives, which can provide improved properties of polymer matrices due to physical and/or chemical interactions between the polymer molecules and their reactive sites. In the case ofrubber-based polymeric systems, POSSs are also able to accompany a vulcanization reaction. This study aimed to investigatethe effect of octavinyl functionalized POSS (OV-POSS) on the sulphur vulcanization of a model natural rubber (NR) based compound.The reaction kinetics was studied using various kinetic approaches based on moving die rheometry and differential scanningcalorimetry. Rheometric data was evaluated using a common non-linear cure kinetic model, called the Isayev and DengModel. The Kissinger, Flynn-Wall-Ozawa and Crane Models were used to evaluate the thermal data for curing reactions. All themodels were found to be able to analyze the vulcanization kinetics of OV-POSS containing NR-based rubber compounds as wellas the effect of the OV-POSS incorporation.
Item Type: Article
Uncontrolled Keywords: Natural rubber; Poss; Rheology; Vulcanization kinetics
Divisions: Sabancı University Nanotechnology Research and Application Center
Depositing User: IC-Cataloging
Date Deposited: 25 Aug 2022 13:32
Last Modified: 25 Aug 2022 13:32
URI: https://research.sabanciuniv.edu/id/eprint/44003

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