| Autor: |
A. P. Viraneva, T. A. Yovcheva, D. D. Kiradzhiyska, R. D. Mancheva, M. F. Galikhanov |
| Rok vydání: |
2016 |
| Předmět: |
|
| Zdroj: |
AIP Conference Proceedings. |
| ISSN: |
0094-243X |
| DOI: |
10.1063/1.4944250 |
| Popis: |
Polypropylene (PP) is commonly used as a coating of medical implants because of good mechanical and electrical properties. In the present paper the influence of two factors (time storage and temperature storage) on the surface potential decay of PP composite films was investigated. PP composite films with different weight concentrations of the KNO3 particles - 0 wt.%, 2 wt.% and 4 wt.% were investigated. The samples were charged in a positive or in a negative corona by means of a corona triode system and the time dependences of the surface potential were studied for 120 days. The effect of temperature storage on the surface potential was also investigated. The results obtained show a significant change in the electrets behavior of the composite films after the inclusion of KNO3 particles with different concentration into the PP matrix. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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