Impregnation and encapsulating material
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United States of America Patent
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-
Nov 22, 1988
Grant Date -
N/A
app pub date -
Jun 4, 1986
filing date -
Jun 4, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A capacitor in which the capacitive element is impregnated and encapsulated by a composition having a softening point above the normal operating temperature of the capacitor and below the temperature that would occur following a failure of the capacitive element (or in another aspect below the temperature at which the polypropylene film of a polypropylene film capacitor shrinks). In other aspects the composition is a blend of polybutene and polyethylene; and a method of impregnating a capacitor is provided.
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