Title :
Interfacial charge behaviors of XLPE/EVA-OH laminates
Author :
Ko, Jung Woo ; Kim, Won Jung ; Suh, Kwang S. ; Lee, Seung Hyung
Author_Institution :
Dept. of Mater. Sci. & Eng., Korea Univ., Seoul, South Korea
Abstract :
Four kinds of EVA-OH (Ethylene-vinyl acetate-vinyl alcohol terpolymers) were prepared using the transesterification reaction between ethylene-vinyl acetate copolymer and alcohol in the laboratory. Structural and thermal analyses for EVA-OH were accomplished with FTIR and DSC. As the increase of conversion rate, melting point increased. Interfacial charge behaviors of XLPE/EVA-OH laminates were also measured using PEA method. It was found that the amount of interfacial charge of XLPE/EVA-OH laminates and the decay rate of interfacial charge changed as the conversion rate of vinyl acetate to hydroxyl group increased.
Keywords :
Fourier transform spectra; XLPE insulation; charge measurement; differential scanning calorimetry; infrared spectra; laminates; materials preparation; melting point; polymer blends; pulsed electroacoustic methods; space charge; DSC; FTIR spectra; XLPE/EVA-OH laminates; differential scanning calorimetry; ethylene-vinyl acetate copolymer; ethylene-vinyl acetate-vinyl alcohol terpolymers; hydroxyl group; interfacial charge behavior; melting point; pulsed electroacoustic method; structural analyses; thermal analyses; transesterification reaction; Charge measurement; Current measurement; Insulation; Laminates; Materials science and technology; Microscopy; Polymers; Pulse measurements; Space charge; Voltage;
Conference_Titel :
Properties and Applications of Dielectric Materials, 2003. Proceedings of the 7th International Conference on
Print_ISBN :
0-7803-7725-7
DOI :
10.1109/ICPADM.2003.1218646
