"Paajanen, Mika" - Selaus tekijän mukaan TUNICRIS-julkaisut
Viitteet 1-20 / 26
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Biaxially oriented silica–polypropylene nanocomposites for HVDC film capacitors : morphology-dielectric property relationships, and critical evaluation of the current progress and limitations
(2022)
articleDielectric polymer nanocomposites are considered as one of the most promising insulation material candidates for future capacitive energy storage applications, providing tailorability of charge trapping and transport ... -
Characterization of Isotactic-Polypropylene-Based Compounds for HVDC Cable Insulation
IEEE International Conference on Dielectrics (IEEE, 2024)
conferenceObjectThis paper aims at a preliminary characterization of isotactic-polypropylene-based blends as a candidate to be used for High-Voltage Direct Current HVDC cable insulation in the framework of the European project NEWGEN (New ... -
Combining good dispersion with tailored charge trapping in nanodielectrics by hybrid functionalization of silica
(11 / 2021)
articleFumed silica-filled polypropylene (PP)-based nanodielectrics were studied in this work. To not only improve the dispersion of the silica but also introduce deep charge traps into the polymeric matrix, five types of modified ... -
Compounding, Structure and Dielectric Properties of Silica-BOPP Nanocomposite Films
(2018)
conferenceObject -
Deposition of Ureido and Methacrylate Functionalities onto Silica Nanoparticles and Its Effect on the Properties of Polypropylene-Based Nanodielectrics
(2021)
articleSurface modification of nanoparticles is often utilized to tailor the interfacial properties in dielectric nanocomposites. Introducing different functional groups to the nanoparticles’ surface may induce localized ... -
Dielectric performance of silica-filled nanocomposites based on miscible (PP/PP-HI) and immiscible (PP/EOC) polymer blends
(2021)
articleThis study compares different polymer-nanofiller blends concerning their suitability for application as insulating thermoplastic composites for High Voltage Direct Current (HVDC) cable application. Two polymer blends, ... -
Effect of Silica Modification on Charge Trapping Behavior of PP blend/Silica Nanocomposites
(IEEE, 07.04.2019)
conferenceObjectVarious dielectric nanocomposite materials are studied in the frame of the European Commission funded project GRIDABLE. This project has the aim to develop DC cable extruded insulation and medium and low voltage DC capacitor ... -
Feasibility of Mini-Scale Injection Molding for Resource-Efficient Screening of PP-Based Cable Insulation Nanocomposites
(IEEE, 07 / 2020)
conferenceObjectThis study presents a critical evaluation of the effect of two different sample manufacturing techniques on the morphological and dielectric properties of polypropylene (PP)-based nanocomposites, namely mini-scale injection ... -
From Laboratory to Industrial Scale : Comparison of Short- and Long-Term Dielectric Performance of Silica-Polypropylene Capacitor Films
(IEEE, 2020)
conferenceObjectIn this paper a route from laboratory scale samples to full industrial scale production of biaxially oriented silica-PP nanocomposite capacitor films is for the first time shown and verified. Morphological and dielectric ... -
Influence of polar and unpolar silica functionalization on the dielectric properties of PP/POE nanocomposites
(IEEE, 07 / 2020)
conferenceObjectThis study focuses on the influence of polar and unpolar surface functionalization of silica on the dielectric performance of PP/POE (polypropylene/poly(ethylene-co-octene)) nanocomposites. The silica fillers were ... -
Molecular Layer Deposition of Polyurea on Silica Nanoparticles and Its Application in Dielectric Nanocomposites
(06 / 2023)
articlePolymer nanocomposites (NCs) offer outstanding potential for dielectric applications including insulation materials. The large interfacial area introduced by the nanoscale fillers plays a major role in improving the ... -
Nanocomposite Polypropylene For DC Cables And Capacitors: A New European Project
(IEEE, 15.09.2017)
conferenceObjectThis paper presents the scientific background of a new European project, GRIDABLE, which was launched at the beginning of 2017 and has to deliver results in manufacturing and characterization of LV-MV capacitors and MV-HV ... -
The NEWGEN European Union Research Project for a New Generation of HVDC Cable Systems
(IEEE, 2023)
conferenceObjectThis paper illustrates the European Union NEWGEN research project, entitled 'New Generation of HVDC Insulation Materials, Cables and Systems', with 10 partners over 5 EU Countries. The objective of NEWGEN is to develop and ... -
On the Silica Surface Modification and Its Effect on Charge Trapping and Transport in PP-Based Dielectric Nanocomposites
(2020)
articleThe effect of filler surface functionalization with 3-aminopropyltriethoxysilane (APTES) on the charge trapping and transport was studied in polypropylene (PP)/(ethylene-octene) copolymer (EOC)/silica nanodielectrics. ... -
Performance of Nanoparticles in the Electrical Behavior of DC Capacitor Films
(IEEE, 05 / 2018)
conferenceObjectIn this work space charge accumulation characteristics of nanostructured polypropylene films are investigated, providing preliminary results for the basis of the new materials formulations to be developed in the European ... -
Potentiality of nanofilled thermoplastic insulation for DC cables and capacitors
(2018)
conferenceObjectThis paper presents space charge accumulation characteristics of cable grade and capacitor grade nanostructured polypropylene (PP) materials, providing initial results regarding the electrical properties of nanofilled PP ... -
PP/PP-HI/silica nanocomposites for HVDC cable insulation : Are silica clusters beneficial for space charge accumulation?
(06 / 2021)
articleNew potential High Voltage Direct Current (HVDC) cable insulation materials based on nanocomposites are developed in this study. The nanocomposites are produced by blending of polypropylene (PP), propylene-ethylene copolymer ... -
Screening of Suitable Random Copolymer Polypropylene Blends for HVDC Cable Insulation
(IEEE, 30.06.2024)
conferenceObject -
Silica Functionalization: How Does It Affect Space Charge Accumulation In Nanodielectrics Under DC?
(IEEE, 07 / 2020)
conferenceObjectFunctionalization of silica nanoparticles with polar aminosilane and its effect on space charge accumulation under high voltage direct current (DC) was studied in polypropylene (PP)/ Ethylene-Octene Copolymer (EOC) /silica ... -
Silica surface modification with liquid rubbers & functional groups for new polyolefin-based dielectric nano-composites
(IEEE, 2020)
conferenceObjectA novel hybrid approach for surface modification of nano-silica for polyolefin-based dielectric composites is presented. A fumed nano-silica was modified with long oligomeric chains of a liquid rubber, connected via urethane ...
