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Materials Research

versão impressa ISSN 1516-1439versão On-line ISSN 1980-5373

Resumo

GONZALEZ, Neudys et al. Influence of ZnO and TiO2 Particle Sizes in the Mechanical and Dielectric Properties of Vulcanized Rubber. Mat. Res. [online]. 2017, vol.20, n.4, pp.1082-1091.  Epub 22-Jun-2017. ISSN 1980-5373.  https://doi.org/10.1590/1980-5373-mr-2017-0178.

The novelty of the present study relies on the straightforward sonication of ZnO and TiO2 and incorporation to a complex formulation of latex, with other several organic-inorganic additives that influences the cross-linking reactions. The new elastomer with particles carefully sonicated exhibit improved electrical and mechanical properties. Strong interaction among the nanoparticles and the polymer amorphous phase has been proved by means of FTIR, SEM and XRD analyses. The synergistic effect of hybrid fillers with nanometric dimensions can be used to design high-performance natural rubber nanocomposites with enhanced electrical resistance and good cross-linking degree.

Palavras-chave : Rubber; Polymer composites; Titanium dioxide; Zinc oxide; Dielectric properties.

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