Title:
METALLIZED PLASTIC FILM CAPACITOR
Document Type and Number:
WIPO Patent Application WO/1993/012529
Kind Code:
A1
Abstract:
An MF capacitor of an oil impregnation type, whose durability in constant voltage application is so high that it is useful for practical use. The metallized plastic film is impregnated with an electrically insulating oil composition obtained by adding 5-80 wt. % natural fatty acid triglyceride which contains a little amount of fatty acid ester having free hydroxyl radical to aromatic hydrocarbon having a specific chemical structure and being liquid at -30 °C.
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Inventors:
SUGISAWA KUNIO (JP)
HOSHINO HIROYUKI (JP)
HAYASHI SHOZO (JP)
HOSHINO HIROYUKI (JP)
HAYASHI SHOZO (JP)
Application Number:
PCT/JP1992/001613
Publication Date:
June 24, 1993
Filing Date:
December 10, 1992
Export Citation:
Assignee:
NIPPON PETROCHEMICALS CO LTD (JP)
International Classes:
C10M169/04; H01B3/22; H01G4/18; H01G4/22; C10N40/00; C10N40/16; (IPC1-7): H01G4/24
Foreign References:
| JPS6035408A | 1985-02-23 | |||
| JPS555689B2 | 1980-02-08 | |||
| JPS6151704A | 1986-03-14 |
Other References:
See also references of EP 0570599A4
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