ELECTRICAL-PROPERTIES OF AN INSULATING VARNISH

被引:4
作者
BISHAI, AM
HAKIM, IK
机构
[1] Physics Department, National Research Center, Dokki, Cairo
关键词
DIELECTRIC PROPERTIES; PERMITTIVITY; LOSS TANGENT; VOLUME RESISTIVITY; CASTOR OIL; STYRENE MONOMER;
D O I
10.1002/pi.1995.210360403
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A systematic dielectric study was carried out over a frequency range 60 Hz-300 kHz and at temperatures between 5 and 90 degrees C on dehydrated castor oil mixed with different concentrations of styrene monomer to produce an insulating varnish. The volume resistivity was also studied. The results show that, when dehydrated castor oil is mixed with 10% styrene content by weight of the oil, epoxidised and then chemically treated with melamine resin and other additives, a varnish is produced with favourable electrical insulation properties.
引用
收藏
页码:315 / 324
页数:10
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