| 摘要 |
PROBLEM TO BE SOLVED: To provide carbon black which is large in the effect of imparting electroconductivity and does not much increase viscosity even when mixed in a large amount with a resin or the like, a method for preparing the same, and a high electrical conductivity composition. SOLUTION: Boron solution carbon black has a resistivity according to JIS K 1469 of not greater than 0.10Ωcm. A method for preparing boron solution carbon black comprises allowing a boron source to be present in the thermal decomposition reaction and/or combustion reaction of a hydrocarbon. An electroconductive composition is obtained by incorporating the above carbon black into a resin, a rubber or a coating material.
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