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Evonik patents carbon black method

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By: KERRY PIANOFORTE

Editor, Coatings World, Coatings World

US2011076608
Carbon black, method for its manufacture and application (discloses a carbon black with a content of polycyclic aromatic hydrocarbons measured by the 22 PAH method of less than 5 ppm and an STSA surface area of less than 90 m2/g. The carbon black is prepared by treating the starting carbon black with electromagnetic radiation. The carbon black can be used in rubber, plastics, printing inks, liquid inks, inkjet inks, toners, coating materials, paints, adhesives, batteries, pastes, paper, fuel cells, bitumen, concrete and other building materials).

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