Jelle Joustra
Assistant Professor
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Jelle Joustra is an Assistant Professor at Delft University of Technology in the Netherlands. His research primarily focuses on circular design and sustainability in material usage, with recent articles exploring topics such as the incorporation of devulcanized rubber in rubber products, thermoplastic composites, and the structural reuse of composite materials. He is actively involved in advancing eco-design practices and assessing the potential of innovative recycling technologies in the industry.
Articles (8)
Year:
2025
Does the Rubber Meet the Road? Assessing the Potential of Devulcanization Technologies for the Innovation of Tire Rubber Recycling
Innovation is crucial to meet the circular economy goals for tire recycling. Devulcanization, an innovative recycling method of reprocessing tire rubber, offers a pathway towards achieving circular economy objectives. While previous research on devulcanization has primarily focused on technical aspects, this study shifts the focus towards identifying opportunities and barriers for innovation through devulcanization. This research utilizes the Technological Innovation System framework as a basis to analyze the dynamics of innovation within value chains and innovation networks. Across Europe, 36 organizations were identified that develop and utilize devulcanization to transform rubber from end-of-life tires into a valuable resource for new rubber products. In this study, a semi-structured in-depth interview approach was applied to interview 12 organizations that have developed or utilize technologies for the devulcanization of tire rubber. It was found that the development of various devulcanization approaches for diverse types of products has created opportunities for upscaling. To capitalize on these opportunities, organizations need to collaborate throughout the entire value chain of tire production and recycling. Achieving this collaboration requires interventions across the industry.
Year:
2024
Collaborators (4)
Ruud Balkenende
Delft University of Technology
Sebastiaan Flipsen
Delft University of Technology
Conny Bakker
Delft University of Technology
Julie Teuwen
Delft University of Technology

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