Electrical Properties of Biopolymers

In the last years the importance of biopolymers increased steadily because petrochemical resources are limited. Another reason are environmental problems e.g. microplastic and some new laws from the European Union for the usage of petrochemical plastics. Therefore, the industry is searching for alternatives in a broad range of fields of applications. In the paper at hand a modified biobased material for sensor applications, based on renewable resources, is presented. The biopolymer is modified with a plasticizier and crosslinker to increase the mechanical properties and stability. The viscosity behavior depending on temperature and shear rate is also shown. The resulting thin layers were characterized with impedance spectroscopy and direct current measurements.

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