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Polímeros

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

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SOUSA, Fabiula Danielli Bastos de et al. Blends of ground tire rubber devulcanized by microwaves/HDPE - Part A: influence of devulcanization process. Polímeros [online]. 2015, vol.25, n.3, pp.256-264. ISSN 1678-5169.  http://dx.doi.org/10.1590/0104-1428.1747.

The main objective of this work is the study of the influence of microwaves devulcanization of the elastomeric phase on dynamically revulcanized blends based on Ground Tire Rubber (GTR)/High Density Polyethylene (HDPE). The devulcanization of the GTR was performed in a system comprised of a conventional microwave oven adapted with a motorized stirring at a constant microwaves power and at various exposure times. The influence of the devulcanization process on the final properties of the blends was evaluated in terms of mechanical, viscoelastic, thermal and rheological properties. The morphology was also studied.

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

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