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Polymers 2017, 9(12), 645; https://doi.org/10.3390/polym9120645

Effect of Zinc Oxide Modified Silica Particles on the Molecular Dynamics of Carboxylated Acrylonitrile-Butadiene Rubber Composites

1
Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 12/16, 90-924 Lodz, Poland
2
Department of Molecular Physics, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
3
Ingénierie des Matériaux Polymères, Universite Claude Bernard Lyon 1, UMR CNRS 5223, 15 Bd A. Latarjet, 69622 Villeurbanne, France
*
Author to whom correspondence should be addressed.
Received: 26 October 2017 / Revised: 17 November 2017 / Accepted: 21 November 2017 / Published: 25 November 2017
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Abstract

This work examines the molecular dynamics of carboxylated acrylonitrile-butadiene rubber crosslinked with zinc oxide modified silica particles. ZnO/SiO2 with the wide range of ZnO concentrations were used as both a crosslinking agent and filler. A series of thermal measurements were applied to the characterization of the samples: differential scanning calorimetry, dynamical mechanical thermal analysis, and dielectric relaxation spectroscopy. A complementary experimental technique, which is equilibrium swelling in solvents, confirms the presence of ionic crosslinks, which are created between zinc ions and the functional carboxyl groups of the rubber, within the structure of the vulcanizates. These interactions influenced not only the affinity of the vulcanizates to solvents, but also their dynamic mechanical and dielectric properties. In these investigations, the influence of concentration of ZnO on the surface of the ZnO/SiO2 on the properties of the vulcanizates are described. View Full-Text
Keywords: carboxylated acrylonitrile-butadiene rubber; molecular dynamics; zinc oxide modified silica; composite; ionic crosslinks carboxylated acrylonitrile-butadiene rubber; molecular dynamics; zinc oxide modified silica; composite; ionic crosslinks
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Gaca, M.; Pietrasik, J.; Zaborski, M.; Okrasa, L.; Boiteux, G.; Gain, O. Effect of Zinc Oxide Modified Silica Particles on the Molecular Dynamics of Carboxylated Acrylonitrile-Butadiene Rubber Composites. Polymers 2017, 9, 645.

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