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A comparative LCA between an eco-sandwich made of bio-based epoxy resin (SuperSap 100/1000) and natural fibers against a traditional sandwich made of epoxy/glass-fibers was carried out. The main purpose and contribution of this study is the exploration of the eco-efficiency of this new material which featured applications span from naval to automotive and building sectors. To a minor degree, it is also a contribution in the sense that it provides life cycle inventory data on composites, which as yet are scarce in the LCA community. Life cycle assessments of bio-based polymers have shown favourable results in terms of environmental impacts and energy use compared to petroleum-based products. However, calculation of these impacts always depends on the system and boundary conditions considered during the study.
This paper was originally published in Journal of Cleaner Production 74 (2014) Pages 135 - 144