Title:
THERMALLY MODIFIED CARBON BLACKS FOR VARIOUS TYPE APPLICATIONS AND A PROCESS FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO2005028569
Kind Code:
A3
Abstract:
An electro thermal fluidized bed furnace is adapted to be used in a process for continuously heat treating of fine particulate matter, such as carbon black material, by continuously introducing a non-reactive fluidizing gas through the nozzles of the furnace at a pre-determined rate, continuously introducing untreated carbon black material through the feed pipe of the furnace at a predetermined rate so that it forms a fluidized bed, energizing the electrode so as to heat the fluidized bed, and continuously collecting the treated carbon black from the discharge pipe. The carbon black collected from the discharge pipe exhibits properties of having the PAHs and sulfur removed, the carbon black has been graphitized, the moisture pick-up by the carbon black has been eliminated and the carbon black is more oxidation resistant, Furthermore, the resultant furnace carbon backs have a particle size of 7-100nm and an oil absorption number of 50-300 ml/100g., while the thermal blacks have a particle size of 200-500 nm and an oil absorption number of less than 50 ml/100g. Provides thermally modified carbon blacks having improved performance properties in food contact type applications, moisture cured polymer systems, zinc-carbon dry cell battery applications, other electrochemical power sources and other electronic applications, semi-conductive wire and cable applications, and bladder compounds which show both improved thermal conductivity and improved processability.
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Inventors:
AYALA JORGE ARMANDO (US)
WANG WEIDONG (US)
EDWARDS CHARLES (US)
HERD CHARLES R (US)
LAMBA RAKSHIT (US)
TANDON DEEPAK
TAYLOR RODNEY I
ZAK MARK S
BARSUKOV IGOR V
DONINGER JOSEPH E
BOOTH PETER R
WANG WEIDONG (US)
EDWARDS CHARLES (US)
HERD CHARLES R (US)
LAMBA RAKSHIT (US)
TANDON DEEPAK
TAYLOR RODNEY I
ZAK MARK S
BARSUKOV IGOR V
DONINGER JOSEPH E
BOOTH PETER R
Application Number:
PCT/US2004/029881
Publication Date:
March 09, 2006
Filing Date:
September 10, 2004
Export Citation:
Assignee:
COLUMBIAN CHEM (US)
SUPERIOR GRAPHITE CO (US)
AYALA JORGE ARMANDO (US)
WANG WEIDONG (US)
EDWARDS CHARLES (US)
HERD CHARLES R (US)
LAMBA RAKSHIT (US)
TANDON DEEPAK
TAYLOR RODNEY I
ZAK MARK S
BARSUKOV IGOR V
DONINGER JOSEPH E
BOOTH PETER R
SUPERIOR GRAPHITE CO (US)
AYALA JORGE ARMANDO (US)
WANG WEIDONG (US)
EDWARDS CHARLES (US)
HERD CHARLES R (US)
LAMBA RAKSHIT (US)
TANDON DEEPAK
TAYLOR RODNEY I
ZAK MARK S
BARSUKOV IGOR V
DONINGER JOSEPH E
BOOTH PETER R
International Classes:
C09C1/46; C09C1/56; F27B15/08; F27B15/09; F27B15/10; H01M4/587; (IPC1-7): C09C1/56; C09C1/46; C01B31/04
Domestic Patent References:
| WO2005028978A1 | 2005-03-31 |
Foreign References:
| US20010031823A1 | 2001-10-18 | |||
| EP1309024A2 | 2003-05-07 | |||
| US4160813A | 1979-07-10 |
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