The Technical University of Braunschweig, the Thiinen Institute and Custom Cells Itzehoe, together with their associate partner Schill + Seilacher "Struktol" GmbH, took part in a research project funded by the German Federal Ministry of Food and Agriculture (BMEL) via the Fachagentur Nachwachsende Rohstoffe (FNR), the central coordinating institution for renewable resources in Germany. The aim of the project was to investigate the suitability of bio-based epoxy hardener systems as a replacement for the petrochemical and halogenated binding agents that are currently widely used. The project partners chose fatty-acid modified, commercially available epox-ies and hardeners, plus epoxidized vegetable oils, including linseed oil and soya oil. A total of 21 of the binding and hardening systems proved to be suitable for use as electrode ad-hesives. Some of them had very good technical properties and demonstrated their suitability for industrial production during the course of scaled-up tests.
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