Ester dielectric fluid containing tert-butyl anthraquinone

Details Ester dielectric fluid containing tert-butyl anthraquinone Ester dielectric fluid containing tert-butyl anthraquinone

1977-06-27

1978-10-17

Pitlick, Harris A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

252 64, 361315, H01B 320, C10M 320, C10M 314

Patent

active

041212754

ABSTRACT:
An ester dielectric fluid for an AC capacitor with improved corona properties contains a minor amount of tert-butylanthraquinone. The ester may be 2-ethylhexylphthalate or diisononylphthalate, and an epoxide stabilizer is present.

REFERENCES:
patent: 2719182 (1955-09-01), Ross et al.
patent: 2897423 (1959-07-01), Ross
patent: 2922938 (1960-01-01), Petley
patent: 3362908 (1968-01-01), Polito
patent: 3754173 (1973-08-01), Eustance
patent: 3833978 (1974-09-01), Eustance
patent: 3925221 (1975-12-01), Eustance
Sauer et al., "Stabilization of Dielectrics Operating Under Direct Current Potential", Ind. Eng. Chem., 44(1), 135-140, (Jan. 1952).

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