Capacitor with liquid polybutene dielectric

Details Capacitor with liquid polybutene dielectric Capacitor with liquid polybutene dielectric

1974-08-05

1976-12-07

Goldberg, E. A.

317258, H01G 422

Patent

active

039965058

ABSTRACT:
An electrical apparatus, such as a capacitor, having an improved dielectric system. The dielectric system includes a polymeric film impregnated with low molecular weight polybutene having an average number molecular weight in the range of 300 to 500. The dielectric system has improved dielectrical properties and the polybutene is biodegradable which minimizes the pollution of the atmosphere if the dielectric liquid is exposed to the atmosphere. Further extended service life can be achieved by the addition of a cyclohexyl amine to the liquid dielectric.

REFERENCES:
patent: 2007792 (1935-07-01), Clark
patent: 2041594 (1936-05-01), Clark
patent: 3363156 (1968-01-01), Cox
patent: 3430116 (1969-02-01), Johnstone
patent: 3746953 (1973-07-01), Lapp
patent: 3772578 (1973-11-01), Gooroe
Cosden Oil and Chem. Co. Technical Bulletin No. 43, 3/1/69 Cosden Polybutene.
Insulation/Circuits, Directory/Encyclopedia Issue 6/7/70 pp. 44 and 45.

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