Manufacturing process of a capacitor with delayed ageing and a c

Details Manufacturing process of a capacitor with delayed ageing and a c Manufacturing process of a capacitor with delayed ageing and a c

1992-12-08

1995-02-21

Lateef, Marvin M.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361525, 29 2503, H01G 408

Patent

active

053921909

ABSTRACT:
The manufacturing process of a capacitor with a polypropylene dielectric film by introducing pre-cross-linking elements of the polypropylene at the time of manufacturing. When the capacitor is used, the electrical field and/or temperature generated trigger the cross-linking process of the polypropylene, delaying and slowing down the ageing phenomena, i.e. the decrease of the dielectric strength. The pre-cross-linking agent is a polyfunctional monomer to which an activation accelerator and/or a stabilizing agent can be added.

REFERENCES:
patent: 3622848 (1971-11-01), Hendrix
patent: 3649892 (1972-03-01), Booe
patent: 5153820 (1992-10-01), MacFarlane et al.
World Patents Index, Section Ch, Week 7805, Feb. 1978, JP-A-52 153 150, p. 1/1.

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