Branched vapor-grown carbon fiber, electrically conductive...

Details Branched vapor-grown carbon fiber, electrically conductive... Branched vapor-grown carbon fiber, electrically conductive...

2006-10-17

2006-10-17

Kopec, Mark (Department: 1751)

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

C525S503000, C525S511000, C428S367000, C423S44500R, C423S447500, C423S447100

Reexamination Certificate

active

07122132

ABSTRACT:
A branched vapor-grown carbon fiber having an outer diameter of 0.5 μm or less and an aspect ratio of at least 10, the carbon fiber having a compressed specific resistance of 0.02 Ω·cm or less, each fiber filament having a hollow cylindrical structure, preferably the carbon fiber containing boron and having a compressed specific resistance of 0.018 Ω·cm or less. An electrically conductive transparent composition comprising a resin binder and carbon fiber incorporated into the binder, having transparency and comprising vapor grown carbon fiber having an outer diameter of 0.01–0.1 μm, an aspect ratio of 10–15,000, and a compressed specific resistance of 0.02 Ω·cm or less, and surface resistivity of 10,000 Ω/□ or less. An electrically conductive transparent material formed from the aforementioned electrically conductive transparent composition.

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