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An experimental study on sustainable rubber and their potential applications in trucks
KTH, School of Engineering Sciences in Chemistry, Biotechnology and Health (CBH), Fibre- and Polymer Technology.
2024 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
En experimentell studie av hållbart gummi och dess potentiella användningsområden i lastbilar (Swedish)
Abstract [sv]

Med den växande oron över vår negativa påverkan på miljön har intresset för forskningen med fokus på grönare lösningar ökat. Företag som den svenska lastbilstillverkaren Scania har svarat genom att investera i utvecklingen av mer miljövänliga lösningar och material. Detta examensarbete utforskar potentialen för hållbara gummimaterial som alternativ till traditionellt gummi i lastbilar. Arbetets syfte är att utvärdera egenskaperna hos hållbart tillverkat EPDM- och AEM-baserat gummi samt identifiera lämpliga tillämpningar inom fordonet. 

Svavel- och peroxid-vulkaniserat EPDM samt AEM gummi levererades från två olika företag. Sammanlagt testades tolv olika gummimaterial baserat på internationella ISO-standarder, vilket inkluderade dragprovning, sättnings provning samt förändring i hårdhet och volym efter åldring i luft, kylvätska eller olja. Materialen utvärderades mot Scanias standarder för lastbilkomponenter. Det peroxidvulkaniserade gummit gav bäst resultat, följt av det svavelvulkaniserade EPDM- och AEM-gummit, som var känsligare för temperatur och de olika medierna. Lämpliga tillämpningar för hållbart gummi inom lastbilar identifierades, så som komponenter i hytten och fronten där omgivningen är mindre krävande.

Detta examensarbete visade på potentialen för hållbart gummi inom fordonsindustrin. Resultaten ger insikter för Scania i att integrera hållbara material i sin lastbilsproduktion, för att minska deras miljöpåverkan och främja en mer hållbar framtid. Framtida forskning rekommenderas för att ytterligare utforska potentialen för hållbart gummi i olika fordonskomponenter.

Abstract [en]

With the growing concerns about our negative impact on the environment, interest in research focusing on greener solutions has increased. Companies like the Swedish truck manufacturer Scania have responded by investing in the development of more environmentally friendly solutions and materials. This thesis explores the potential of sustainable rubber materials as alternatives to traditional rubber in trucks. The research aims to evaluate the performance of sustainable EPDM and AEM rubber, which is produced with lower emissions than conventional rubber, and identifying suitable applications for rubber within the vehicle. 

Sulphur-vulcanized and peroxide-vulcanized EPDM and AEM rubber was supplied from two different companies. In total, twelve different rubber materials were subjected to testing based on international ISO standards, including tensile testing, compression set and change in hardness and volume after ageing in air, coolant or oil. The materials were evaluated in accordance with Scania's standards for automotive components. The results demonstrate the potential of sustainable rubber for automotive applications. The peroxide-vulcanised rubber resulted in the best performance, followed by the sulphur vulcanized EPDM and AEM rubber which were more sensitive to temperature and the different media. Suitable applications for sustainable rubber within trucks were identified, including components in the cab and front areas environment is less demanding.

This thesis showed the potential of sustainable rubber in the automotive industry. The results provide insights for Scania to be able to integrate sustainable materials in its truck production and thereby reduce environmental impact and promote a more sustainable future. Future research is recommended to further explore the potential of sustainable rubber in various automotive components.

Place, publisher, year, edition, pages
2024.
Series
TRITA-CBH-GRU ; 2024:371
Keywords [en]
Ethylene propylene diene monomer rubber (EPDM), Ethylene acrylic rubber (AEM), Sustainable rubber, Mass balance, Life Cycle Assessment
Keywords [sv]
Etenpropengummi (EPDM), Etylenakrylgummi (AEM), Hållbart gummi, Massbalans, Livscykelanalys
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-356448OAI: oai:DiVA.org:kth-356448DiVA, id: diva2:1913643
External cooperation
Scania AB
Subject / course
Polymeric Materials
Educational program
Degree of Master - Macromolecular Materials
Examiners
Available from: 2024-11-15 Created: 2024-11-15

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