Electrical insulating oil and oil-filled electrical appliances

Details Electrical insulating oil and oil-filled electrical appliances Electrical insulating oil and oil-filled electrical appliances

1985-07-30

1987-02-10

Wax, Robert A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

174 17LF, 174 25R, 174 25C, 252570, 336 94, 361327, 585 63, 585 25, 585470, 585471, 585472, H01G 422, H01B 322

Patent

active

046427309

ABSTRACT:
An improved electrical insulating oil and oil-filled electrical appliances impregnated therewith. The electrical insulating oil can be produced inexpensively but has excellent electrical characteristics and it comprises a fraction having boiling points in the range of 350.degree. to 450.degree. C. that is prepared by disproportionating diarylalkane or a hydrocarbon mixture mainly containing the same at temperatures in the range of 20.degree. to 500.degree. C. in the presence of a disproportionation catalyst, said diarylalkane having boiling points in the range of 260.degree. to 320.degree. C.

REFERENCES:
patent: 4287376 (1981-09-01), Shimizu et al.
patent: 4365103 (1982-12-01), Chang et al.

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