Article
Article
Carbon black
Article By:
Stevens, David Physics and Atmospheric Science, Dalhousie University, Halifax, Nova Scotia, Canada.
Last reviewed:August 2020
DOI:https://doi.org/10.1036/1097-8542.108300
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- Carbon black, published October 2019:Download PDF
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A broad designation for a class of solid carbon-based materials with high elemental carbon content produced from the thermal decomposition of hydrocarbons. Carbon black can be produced with a range of physical properties tailored to applications. The primary particles are often approximately spherical, with particle sizes ranging from 10 to 100 nanometers. These primary particles can agglomerate, or “sinter,” during production, forming relatively long chains. Carbon blacks typically have low impurity levels; less than 0.2% ash content is common. In addition to modification of the particle size and agglomerate size, the properties of carbon blacks can be tailored by changing the nature of the surface functional groups. See also: Carbon
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