18 October 2004 ESR investigations on radiation-induced modifications of irradiated thin polymeric films
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Abstract
A parallel analysis of radiation-induced and thermal-induced degradation of polyethyleneterephtalate (PET) films is presented. The complexity of the degradation process is analyzed as a first step in a better understanding of the effect of combined temperature and radiation on PET. electron spin resonance spectrometry, DC electrical measurements, differential scanning calorimetry, and mechanical tests were used to analysze the effect of different ioninzing radiation (such as gamma, electrons, and accelerated ions) on thin films of PET. Data on the thermal analysis of PET are presented and analyzed. This study aims to a better understanding and modeling of complex degradation processes, required for a more reliable assessment of the behavior of polymers subjected to the space environment.
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Mircea Chipara, Mircea Chipara, David L. Edwards, David L. Edwards, Wendland Beezhold, Wendland Beezhold, Magdalena Chipara, Magdalena Chipara, Mary Nehls, Mary Nehls, "ESR investigations on radiation-induced modifications of irradiated thin polymeric films", Proc. SPIE 5554, Photonics for Space Environments IX, (18 October 2004); doi: 10.1117/12.562899; https://doi.org/10.1117/12.562899
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