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This work investigates thermoplastic polymeric blends based on low density polyethylene and ethylene vinyl acetate mixed together in 80:20 weight ratio. These blends have been mixed with montmorillonite and silica as fillers to obtain nanocomposites with different nanofiller amounts: percentage of 3% and 7% by weight have been chosen. The aim is to identify a new class of insulating materials for...
This study focuses on blends with thermoplastic polymers matrices. The nanocomposites blends based on polyolefins could represents a new class of insulating materials with low environmental impact and good electrical performances. The materials object of this study have been prepared by adding different kinds and percentage of nanofillers as montmorillonite and silica to a thermoplastic polymeric...
This investigation is dedicated to the development of a new class of nanostructured composite material from cycloaliphatic epoxy polymers with nanoclay and microsilica as the fillers and the analysis of the behavior associated in the inclined plane tracking test (IEC 60587). Composite materials with different weight percentages of fillers were prepared and subjected to electrical tracking according...
Nanocomposite materials show promising results for applications as electrical insulation. Among several materials presently under investigation, previous works indicate that polypropylene and ethylene-vinilacetate filled by nanosilicates present lower content of space charge and higher electric strength. However, efforts are needed to explain nanocomposite behaviour and characterize their electrical,...
A set of surface discharge ageing procedures, space charge observations and dielectric strength measurements has been implemented on a type of insulating nanofilled epoxy-resin (nanostructured by compatibilised synthetic layered silicates) and on its non-filled base resin. Promising improvements in the electrical behaviour of the nanofilled epoxy, particularly as concerns surface discharge endurance,...
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