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Polímeros

versão impressa ISSN 0104-1428versão On-line ISSN 1678-5169

Resumo

SOUSA, Fabiula Danielli Bastos de et al. Blends of ground tire rubber devulcanized by microwaves/HDPE - Part B: influence of clay addition. Polímeros [online]. 2015, vol.25, n.4, pp.382-391. ISSN 1678-5169.  https://doi.org/10.1590/0104-1428.1955.

The main objective of this work is to study the influence of clay addition on dynamically revulcanized blends of Ground Tire Rubber (GTR)/High Density Polyethylene (HDPE). GTR was previously devulcanized in a system comprised of a conventional microwave oven adapted with a motorized stirring, with a fixed microwave power and at various exposure times. The influence of clay addition on the final properties of the blends was evaluated in terms of mechanical, viscoelastic, thermal and rheological properties, with morphology being also analyzed. The results depict that the clay can modify the rheological behavior of the GTR phase, in addition to the thermal and mechanical properties of some blends.

Palavras-chave : clay; recycling; GTR; devulcanization; HDPE.

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