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Deterioration of automotive rubbers in liquid biofuels: A review
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymeric Materials. Scania CV AB, Sweden.ORCID iD: 0000-0002-7348-0004
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymeric Materials.
KTH, School of Chemical Science and Engineering (CHE), Fibre and Polymer Technology, Polymeric Materials.
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2015 (English)In: Renewable & sustainable energy reviews, ISSN 1364-0321, E-ISSN 1879-0690, Vol. 43, 1238-1248 p.Article, review/survey (Refereed) Published
Abstract [en]

Concerns over the fast depletion of fossil fuels, environmental issues and stringent legislation associated with petroleum-based fuels have triggered a shift to bio-based fuels, as an alternative to meet the growing energy demand in the transportation sector. However, since conventional automobile fuel systems are adapted to petroleum-based fuels, switching to biofuels causes a severe deterioration in the performance of currently used rubber components. The degradation of the rubber materials in biofuels is complicated by the presence of different additives in biofuels and rubber compounds, by oxidation of biofuels and by the effects of thermomechanical loadings in the engine. This paper presents a comprehensive review of the effects of different types of biofuels, particularly biodiesel and bioethanol, on the physical, mechanical, morphological and thermal properties of elastomers under different exposure conditions. In addition, the literature data available on the variation of rubbers' resistance to biofuels with the changes in their monomer type and composition, cure system and additives content was also studied. The review essentially focuses on the compatibility of biofuels with acrylonitrile butadiene rubber, fluoroelastomers, polychloroprene rubber and silicon rubber, as the most commonly used automotive rubbers coming into contact with fuels during their service. The knowledge summarized in this study can help to develop a guideline on the selection of rubber for automotive parts designed to withstand biofuels.

Place, publisher, year, edition, pages
2015. Vol. 43, 1238-1248 p.
Keyword [en]
Biofuels, Rubbers, Automobile fuel system, Degradation
National Category
Energy Engineering
URN: urn:nbn:se:kth:diva-161100DOI: 10.1016/j.rser.2014.11.096ISI: 000348880600097ScopusID: 2-s2.0-84919799253OAI: diva2:796176
Swedish Energy Agency, 2011-006737

QC 20150318

Available from: 2015-03-18 Created: 2015-03-09 Last updated: 2015-03-18Bibliographically approved

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Akhlaghi, ShahinGedde, Ulf W.Hedenqvist, Mikael S.
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