C8.4 Measurement Methods for Understanding Water Uptake Processes in Polymers
- SMSI 2021
2021-05-03 - 2021-05-06
- SMSI 2021 - System of Units and Metreological Infrastructure
- C8 Testing and Diagnosis
- P. Gierth, U. Gierth, L. Rebenklau, M. Schneider - Fraunhofer IKTS, Dresden (Germany)
- 306 - 307
Harsh environmental conditions may cause corrosion processes in electronics. They are mainly induced by water uptake of polymer embedding, housing or molding compounds. Therefore, longtime stability of these materials is critical for many applications. This work is focusing on demonstration and discussion of suitable measurement methods to determine the water uptake of polymers. Electrochemical impedance spectroscopy (EIS) and Fourier Transform Infrared spectroscopy (FTIR) were used to investigate polymer degradation before and after multiple loading scenarios. Degradation models could have been derived from these results.