Electric device comprising impregnated insulating materials and

Details Electric device comprising impregnated insulating materials and Electric device comprising impregnated insulating materials and

1980-10-29

1982-05-18

Weinblatt, Mayer

Compositions

Fluent dielectric

252571, 252567, 585 63, 585 66, 585426, 174 25C, 336 94, 338 80, 361327, H01F 2710

Patent

active

043304397

ABSTRACT:
The electric device according to the present invention has as its constituents the insulating materials and elements comprising films of synthetic resin, for instance, polypropylene, impregnated with 1-phenyl-2-ethylphenylethane and/or 1-phenyl-2-isopropylphenylethane.
According to the present invention, insulating oils having favorable compatibility with the film of synthetic resin such as polypropylene and favorable affinity to metals and having low viscosity have been provided, and in addition, electric devices excellent in properties of withstanding a high voltage and dielectric properties in a broad range of temperature from a low temperature to a high temperature have also been offered.

REFERENCES:
patent: 3611225 (1971-10-01), Dakin

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