High-voltage insulating material comprising anti-tracking and er

Details High-voltage insulating material comprising anti-tracking and er High-voltage insulating material comprising anti-tracking and er

1976-01-16

1978-07-11

Kendall, Ralph S.

Compositions

Electrolytes for electrical devices

174137B, 174138C, 252 637, 252 635, 260 457PS, 260 457P, 260 457PH, H01B 300

Patent

active

041000897

ABSTRACT:
An improved high voltage insulating material comprising one or more polymers and an anti-tracking and erosion inhibiting composition comprising a hydrate of alumina and one or more compounds selected from the groups consisting of nickel phosphate, phosphinic acid or a derivative thereof, phosphonous acid or a derivative thereof, and phosphonic acid or a derivative thereof. The composition functions to prevent failure by tracking and to substantially retard failure by erosion.

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Condensed Chemical Dictionary, 8th Edition, Van Nostrand Reinhold Co., c 1971, p. 687.

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