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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...
The influence of semi-crystalline morphology on the electrical breakdown strength of syndiotactic polypropylene (sPP) based materials is investigated. Different sPP samples (with varying molecular mass and syndiotacticity) and an sPP/ethylene random copolymer are studied. The semi-crystalline morphology of these materials was characterized using different techniques like WAXD, DSC and SEM. The crystalline...
In this research work the behaviour of LDPE nanostructured compounds under the action of surface partial discharges (SPD) is investigated. Films of unfilled LDPE and of LDPE nanocomposites were subjected to the action of SPD by the application of an AC voltage. The breakdown of the film specimens was chosen as the endpoint criterion: the lifetimes of the nanocomposite materials were recorded and compared...
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