CARBON BLACK
PROBLEM TO BE SOLVED: To provide a method for preparing a carbon black that is extremely excellent in jet-blackness. SOLUTION: The carbon black has the pore radius of 50 or less of the maximum frequency in the pore distribution histogram by 10 interval between 10-100 measured by a mercury porosimete...
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| creator | ASANO SHINTARO |
| description | PROBLEM TO BE SOLVED: To provide a method for preparing a carbon black that is extremely excellent in jet-blackness. SOLUTION: The carbon black has the pore radius of 50 or less of the maximum frequency in the pore distribution histogram by 10 interval between 10-100 measured by a mercury porosimeter and the pore volume of 0.15 cm3/g or more belonging to the maximum frequency band. The carbon black is prepared by the method comprising a contact step of contacting with a gas containing nitric acid to produce a nitrogen oxide on the surface of the carbon black, thereby forming the acidic carbon black and an elimination step of eliminating the nitrogen oxide by activating the acidic carbon black. COPYRIGHT: (C)2005,JPO&NCIPI |
| format | Patent |
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SOLUTION: The carbon black has the pore radius of 50 or less of the maximum frequency in the pore distribution histogram by 10 interval between 10-100 measured by a mercury porosimeter and the pore volume of 0.15 cm3/g or more belonging to the maximum frequency band. The carbon black is prepared by the method comprising a contact step of contacting with a gas containing nitric acid to produce a nitrogen oxide on the surface of the carbon black, thereby forming the acidic carbon black and an elimination step of eliminating the nitrogen oxide by activating the acidic carbon black. 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SOLUTION: The carbon black has the pore radius of 50 or less of the maximum frequency in the pore distribution histogram by 10 interval between 10-100 measured by a mercury porosimeter and the pore volume of 0.15 cm3/g or more belonging to the maximum frequency band. The carbon black is prepared by the method comprising a contact step of contacting with a gas containing nitric acid to produce a nitrogen oxide on the surface of the carbon black, thereby forming the acidic carbon black and an elimination step of eliminating the nitrogen oxide by activating the acidic carbon black. COPYRIGHT: (C)2005,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS CORRECTING FLUIDS DYES FILLING PASTES INKS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS |
| title | CARBON BLACK |
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