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Variation in Properties of Seawater Flooded and Non-Flooded CSPE
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 Title & Authors
Variation in Properties of Seawater Flooded and Non-Flooded CSPE
Lee, Jeong-U; Kim, In-Yong; Ji, Seong-Hyun; Jeon, Hwang-Hyun; Shin, Yong-Deok;
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Chlorosulfonated polyethylene (CSPE) was not flooded seawater and flooded seawater & freshwater for 5 days, respectively, and these samples are referred to as BSF(before seawater flooding) and ASFF(after seawater & freshwater flooding), respectively. The apparent density, dissipation factor, relative permittivity, melting temperature, dielectric breakdown time and increased time of applied voltage are higher than those of BSF, but the insulating resistance, dielectric strength, percent elongation and glass transition temperature of ASFF are lower than those of BSF. The differential temperature of those is after AC and DC voltage is applied to ASFF, respectively, and the differential temperature of those is after AC and DC voltage is applied to BSF, respectively. In the case AC and DC voltage is applied to ASFF as well as BSF, the variations in temperature of AC voltage are higher than those of DC voltage. It is investigated that dielectric loss due to dissipation factor () is related to electric dipole conduction current. It is certain that the ionic (electron or hole) leakage current was increased by conducting ions such as , , , , and , those are related to cured atoms of O and S that relatively increased after seawater flooding.
CSPE;Seawater & freshwater flooding;Insulating resistance;Dissipation factor;Dielectric breakdown time;Percent elongation;Differential temperature of AC/DC voltage;Glass transition temperature;Melting temperature;
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