Process for impregnating a capacitor with a non-halogenated impr

Details Process for impregnating a capacitor with a non-halogenated impr Process for impregnating a capacitor with a non-halogenated impr

1978-10-10

1980-02-26

Esposito, Michael F.

Coating processes

Electrical product produced

Condenser or capacitor

361315, 361319, 252 64, 427121, B05D 512, H01G 404

Patent

active

041906829

ABSTRACT:
A process for impregnating capacitors with a gas absorbing impregnant is disclosed including the steps of purefying a phthalate ester by adsorptive filtration and adding 5 to 30% by volume of an alkene having from 10 to less than 20 carbon atoms and 0.1 to 10% by volume of an epoxy stabilizer to the phthalate ester prior to impregnating the capacitor.

REFERENCES:
patent: 2636074 (1953-04-01), Ross
patent: 3788998 (1974-01-01), Coquillion
patent: 3833978 (1974-09-01), Eustance
Reynolds et al., Evaluation of Dielectric Fluids by Gassing Cell Test, Proc. IEE vol. 119 #4, Apr. 1972.

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