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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Ritamäki, Mikael
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Topics
Publications (11/11 displayed)
- 2019Steering Capacitor Film Development with Methods for Correct and Adequate Dielectric Performance Assessment
- 2018Compounding, Structure and Dielectric Properties of Silica-BOPP Nanocomposite Filmscitations
- 2018Short-Term Dielectric Performance Assessment of BOPP Capacitor Films: A Baseline Studycitations
- 2017The Role of Film Processing in the Large-Area Dielectric Breakdown Performance of Nano-Silica-BOPP Filmscitations
- 2017Polypropylene/SIO2 nanocomposite with improved dielectric properties for DC cables
- 2017Large-area approach to evaluate DC electro-thermal ageing behavior of BOPP thin films for capacitor insulation systemscitations
- 2016Differences in AC and DC large-area breakdown behavior of polymer thin filmscitations
- 2016Dielectric breakdown properties of mechanically recycled SiO2-BOPP nanocompositescitations
- 2015DC ramp rate effect on the breakdown response of SiO2-BOPP nanocompositescitations
- 2015Effects of thermal aging on the characteristic breakdown behavior of nano-SiO2-BOPP and BOPP filmscitations
- 2015The role of film processing in the large-area dielectric breakdown performance of nano-silica-BOPP filmscitations
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document
The role of film processing in the large-area dielectric breakdown performance of nano-silica-BOPP films
Abstract
This paper summarizes the effects of variouscompositional, structural and film processing factors onthe breakdown behavior of laboratory- and pilot-scalemelt-compounded bi-axially oriented polypropylene (BOPP)nanocomposite films with silica fillers. A self-healingmulti-breakdown measurement approach has been extensivelyutilized for large-area breakdown characterization of alarge number of material variants from differentprocessing trials. The results suggest that although theoptimum level of silica presumably resides at the lowfill-fraction range (~1 wt-%), the silicacontent itself is not the only determining factor, ascompounds with equal silica content were found toexhibit large differences in the breakdown propertiesdepending on the compounding and film processingsteps. Dispersion quality and filler agglomeration (inboth the nm- and µm-scale) appear to be of greatimportance. Indications of possible interaction betweennano-silica and co-stabilizer Irgafos 168 are alsopresented. Overall, the laboratory- and pilot-scale filmprocessing trials suggest that up-scaling of the polymernanocomposite production is sensible with traditionalmelt-blending technology, although further developmentand optimization of nanocomposite formulations andprocessing is necessary.