HIGH PURITY CARBON BLACK COMPOSITION IN THE FORM OF A POWDER OBTAINED BY PYROLYSIS OF A SOLID CARBONIZABLE MATERIAL, PROCESS THEREOF

WIPO Patent Application WO2001029150

A3

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.

JPH10324818	CARBON BLACK, AQUEOUS DISPERSION AND WATER-BASE INK USING THEM
JP6611420	A method for forming functionalized carbon black with amino-terminal treated polyfluorodimethylsiloxane for printing
WO/1999/011722	CARBON BLACK AND PROCESS FOR PRODUCING THE SAME

GAGNON JACQUES (CA)
LAMOTHE JEAN-PIERRE (CA)

PCT/CA2000/001241

November 01, 2001

October 19, 2000

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HABITATIONS RICHARD HEBERT INC (CA)
GAGNON JACQUES (CA)
LAMOTHE JEAN PIERRE (CA)

C09C1/48; C10B47/30; C10B53/07; C10G1/02; (IPC1-7): C10B53/00; C09C1/48; C10B1/10; C10B47/30

EP0853114A2	1998-07-15
CA2194505A1	1998-06-27

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