C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/48 (2006.01) C08K 3/04 (2006.01) C10B 53/07 (2006.01)
Patent
CA 2300602
A high purity carbon black composition in the form of a powder, resulting from the pyrolysis of a solid carbonizable material comprising: - more than 75 per cent of carbon black, - less than 0.0002 per cent of arsenic, - less than 2 per cent of chloride(s), - less than 0.03 per cent of copper, - less than 5 per cent of zinc, and - impurities. The percentages are expressed in weight with respect to the total weight of the composition and the composition has a total hydrocarbon content lower than 0.5 per cent. Such a composition is obtainable by a pyrolysis process of a solid carbonizable material wherein a rotary reactor comprising wings attached to the internal surface of the cylindrical body in a line by line shifted pattern is used. The recovered composition is directly useful in the plastic and rubber product industry, and more particularly in the tire industry.
Gagnon Jacques
Lamothe Jean-Pierre
Hebco International Inc.
Robic
LandOfFree
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