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DIGITAL.CSIC
Article . 2024
Data sources: DIGITAL.CSIC
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DIGITAL.CSIC
Article . 2024 . Peer-reviewed
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Valorización de materiales elastoméricos y nuevas aplicaciones

Authors: Montero, Marina; Zepeda Rodriguez, Z.; Martín Salamanca, Fernando; Diñeiro García, Laura; Herrero Calderon, Rebeca; Fernández Torres, Alberto; Navarro Crespo, Rodrigo; +1 Authors

Valorización de materiales elastoméricos y nuevas aplicaciones

Abstract

En la industria del caucho, los neumáticos al final de su vida útil (NFVU) representan la principal fuente de residuos, y en Europa, aproximadamente la mitad de estos NFVU se destinan a la recuperación de material. El proceso de reciclaje mecánico de los NFVU permite obtener polvo de caucho, con partículas de tamaño inferior a 0,8 mm, que se ha empleado tradicionalmente como una carga de bajo coste en materiales poliméricos, especialmente en aplicaciones de menor rendimiento, como suelas de zapatos o superficies de parques infantiles. El propósito actual es utilizar una proporción significativa de polvo de caucho de NFVU como materia prima secundaria para desarrollar compuestos de caucho más sostenibles y de alto rendimiento, destinados a la fabricación de bandas de rodadura de neumáticos sólidos. Para lograr este objetivo, es fundamental evaluar cómo se modifica la composición y la estructura de estos compuestos de caucho al introducir este polvo. Esto se lleva a cabo a través de la observación de las variaciones en las propiedades mecánicas de las mezclas de caucho preparadas. En este trabajo se describe en profundidad el proceso de preparación de las mezclas de caucho hasta su vulcanización y la caracterización de los productos obtenidos a través de sus propiedades mecánicas mediante los ensayos estandarizados en la industria del caucho.

In the rubber industry, end-of-life tyres (ELTs) represent the main source of waste, and in Europe, approximately half of these ELTs are destined for material recovery. The mechani- cal recycling process of ELTs makes possible to obtain rubber powder, with particles small- er than 0.8 mm, which has traditionally been used as a low-cost filler in polymeric materi- als, especially in lower performance applica- tions, such as shoe soles or playground sur- faces. The current purpose is to use a significant proportion of ELT rubber powder as a second- ary feedstock to develop more sustainable and high-performance rubber compounds for the manufacture of solid tire treads. To achieve this goal, it is critical to assess how the composition and structure of these rubber compounds is modified by the introduction of this powder. This is done through the obser- vation of variations in the mechanical proper- ties of prepared rubber mixtures. This paper describes in depth the process of preparation of rubber mixtures until their vulcanization and the characterization of the products obtained through their mechanical properties by means of standardized tests in the rubber industry.

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Spain
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Keywords

Neumático al final de su vida útil, ensayos de propiedades mecánicas, caucho, economía circular., polvo de neumático, reciclaje

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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