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Journal of Material Cycles and Waste Management

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05-11-2019 | ORIGINAL ARTICLE

Devulcanized EPDM without paraffinic oil in the production of blends as a potential application of the residues from automobile industry

Authors: Fabiula D. B. de Sousa, Aline Zanchet, Elaine S. Marczynski, Vinicius Pistor, Rudinei Fiorio, Janaina S. Crespo

Published in: Journal of Material Cycles and Waste Management | Issue 1/2020

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Abstract

Vulcanized residues of ethylene–propylene–diene monomer rubber (EPDM) from expanded profiles trims, called EPDM-r, were treated to remove the paraffinic oil and then devulcanized by microwaves at different exposure times (0, 2, 3 and 4 min). Elastomeric formulations of EPDM-r compound/raw EPDM compound containing 67 wt% of recycled phase were produced, and the characteristics of the vulcanization process, mechanical and dynamic-mechanical properties, morphology and accelerated aging of the blends were analyzed. The promising results showed that it is possible to obtain new rubber compositions containing 67 wt% of EPDM-r with similar—or even higher—mechanical properties than the Reference sample (without EPDM-r), pointing out to the potential use of devulcanized EPDM-r in several applications, as a possible solution to the destination of these materials, aiming at the sustainable development.

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Title: Devulcanized EPDM without paraffinic oil in the production of blends as a potential application of the residues from automobile industry
Authors: Fabiula D. B. de Sousa
Aline Zanchet
Elaine S. Marczynski
Vinicius Pistor
Rudinei Fiorio
Janaina S. Crespo
Publication date: 05-11-2019
Publisher: Springer Japan
Published in: Journal of Material Cycles and Waste Management / Issue 1/2020
Print ISSN: 1438-4957
Electronic ISSN: 1611-8227
DOI: https://doi.org/10.1007/s10163-019-00938-x

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