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US 2015/0083353 A1Published application
Electrical Insulating Paper
AssigneePacon Corporation
InventorsTobias A. Kleemann, Angelika Kleemann
Life of this patent
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Abstract
An electrical insulating paper, and methods of making and using same, having a dielectric strength of greater than 40 kV/mm, including 20% to 99% by weight of cellulose and 1% to 80% by weight of mineral fillers.
Claims19
An electrical insulation paper comprising:
- a first proportion of 20-99% by weight of cellulose and a second proportion of 1-80% by weight of mineral fillers, wherein the mineral filler includes between 1% and 100% talcum, and the talcum has an average particle size distribution of 0.5 to 400 μm, and has an average thickness of 0.01 to 100 μm, such that the electrical insulation paper has a dielectric strength measured in accordance with DIN EN 60243-1 of more than 40 kV/mm, and a conductivity in a the hot water extract in accordance with TAPPI Standard T 252 of less than 5 mS/m.
2-17. (canceled)
Dependencies are inferred from the claim text.