Stabilization of perchloroethylene dielectric fluids

Details Stabilization of perchloroethylene dielectric fluids Stabilization of perchloroethylene dielectric fluids

1982-08-31

1984-01-03

Kittle, John E.

Compositions

Fluent dielectric

N-containing

174 17LF, 174 23C, 174 25R, 174 25C, 336 58, 336 94, 361318, 570111, H01B 324

Patent

active

044241470

ABSTRACT:
Disclosed is a method of inhibiting the attack by perchloroethylene on copper and organic polymers subject to said attack, such as parylene, by adding to perchloroethylene about 20 to about 1000 ppm of a stabilizer having the general formula ##STR1## The preferred concentration of the stabilizer is about 40 to about 500 ppm. Also disclosed is an electrical apparatus containing copper or organic polymer subject to attack by perchloroethylene and perchloroethylene containing the stabilizer.

REFERENCES:
patent: 2722561 (1955-11-01), McCulloch
patent: 4293433 (1981-10-01), Borror et al.
patent: 4312794 (1982-01-01), Pearce et al.

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