Carbon black

Details Carbon black Carbon black

2006-02-03

2009-02-03

Hendrickson, Stuart L. (Department: 1793)

Chemistry of inorganic compounds

Carbon or compound thereof

Elemental carbon

C423S450000

Reexamination Certificate

active

07485280

ABSTRACT:
To provide carbon black which improves the electrical conductivity and flowability of a resin composition.Carbon black characterized by having the following characteristics:24M4DBP absorption: At least 130 cm3/100 g(1,500° C.×30 min) dehydrogenation amount: At most 1.2 mg/gCrystallite size Lc: From 10 to 17 ÅMore preferably, it has the following characteristics:Nitrogen adsorption specific surface area: from 150 to 300 m2/gAverage particle diameter: from 14 to 24 nmCTAB adsorption specific surface area: from 120 to 220 m2/gDBP absorption: from 150 to 400 cm3/100 gOxygen-containing functional group density: at most 3 μmol/m2.

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Carbon Black Handbook, 3rdEd., Apr. 1995, (Published by Carbon Black Kyokai) pp. 61-65, 130-132, 328-329, and 550-557.
Pigments, vol. 39, No. 2, p. 36, 1995.

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