Title :
Corona charging of polymers
Author :
Giacometti, José A. ; Oliveira, Osvaldo N., Jr.
Author_Institution :
Inst. de Fisica e Quimica, Sao Paulo Univ., Sao Carlos, Brazil
fDate :
10/1/1992 12:00:00 AM
Abstract :
A review of the corona charging of polymers is presented. After providing a brief account of the corona discharge process and of its application for charging materials, the paper focuses on the evolution of corona triodes that allow the sample surface potential to be monitored during the charging process. Particular emphasis is given to the main contributions arising from research, basically on Teflon FEP and ferroelectric polymers, in which a constant-current corona triode was used. Such a triode system has become a powerful tool in the study of charge transport and ferroelectric properties of polymers, because keeping the charging current constant facilitates matching of the experimental results to a number of theoretical models
Keywords :
corona; dielectric polarisation; electrets; organic insulating materials; polymers; reviews; Teflon FEP; charging process; constant-current corona triode; corona charging; corona discharge process; corona triodes; experimental results; ferroelectric polymers; ferroelectric properties; fluoroethylene propylene; polymers; review; surface potential monitoring; theoretical models; Cable insulation; Corona; Dielectrics and electrical insulation; Electrodes; Electrons; Ferroelectric materials; Monitoring; Polymers; Surface charging; Wire;
Journal_Title :
Electrical Insulation, IEEE Transactions on
