Evidence map›Paper›PMID 36987311›Full record

ArticlePolymers2023

A Comprehensive Study of Polyurethane Potting Compounds Doped with Magnesium Oxide Nanoparticles.

Jaroslav Hornak, Jakub Černohous, Pavel Prosr, Pavel Rous, Pavel Trnka, Anton Baran, Štefan Hardoň

Abstract read
In one paragraph

Article in Polymers, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Jaroslav HornakDepartment of Materials and Technology, Faculty of Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic.ORCID 0000-0001-7237-4093
Jakub ČernohousDepartment of Materials and Technology, Faculty of Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic.ORCID 0000-0001-7173-8844
Pavel ProsrDepartment of Materials and Technology, Faculty of Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic.ORCID 0000-0002-7484-2492
Pavel RousDepartment of Materials and Technology, Faculty of Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic.ORCID 0000-0002-0158-3602
Pavel TrnkaDepartment of Materials and Technology, Faculty of Electrical Engineering, University of West Bohemia, 306 14 Pilsen, Czech Republic.ORCID 0000-0002-1122-120X
Anton BaranDepartment of Physics, Faculty of Electrical Engineering and Informatics, Technical University of Košice, Park Komenského 2, 042 00 Košice, Slovakia.ORCID 0000-0002-3803-8181
Štefan HardoňDepartment of Physics, Faculty of Electrical Engineering and Information Technology, University of Žilina, 010 26 Žilina, Slovakia.ORCID 0000-0003-3238-2296

Funding

Grant System of the University of Zilina 1/2022 (17292)Slovak Research and Development Agency APVV-21-0078Slovak Research and Development Agency APVV-21-0449Student Grant Agency of the University of West Bohemia in Pilsen SGS-2021-003
6 · The paper itself

Abstract

Recently, polyurethanes (PURs) have become a very promising group of materials with considerable utilization and innovation potential. This work presents a comprehensive analysis of the changes in material properties important for PUR applications in the electrical industry due to the incorporation of magnesium oxide (MgO) nanoparticles at different weight ratios. From the results of the investigations carried out, it is evident that the incorporation of MgO improves the volume (by up to +0.5 order of magnitude) and surface (+1 order of magnitude) resistivities, reduces the dielectric losses at higher temperatures (-62%), improves the thermal stability of the material, and slows the decomposition reaction of polyurethane at specific temperatures (+30 °C). In contrast, the incorporation of MgO results in a slight decrease in the dielectric strength (-15%) and a significant decrease in the mechanical strength (-37%).

Indexed as

broadband dielectric spectroscopydielectric relaxationmagnesium oxidenanocompositesnuclear magnetic resonancepolyurethanetensile strength

Identifiers

PMID36987311
PMCPMC10059885

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.