SURFACE-MODIFIED INORGANIC OXIDE POWDER AND TONER COMPOSITION FOR ELECTROPHOTOGRAPHY
PROBLEM TO BE SOLVED: To provide a surface-modified inorganic oxide powder subjected to a surface treatment with a silicone oil, having a high fixation rate of the silicone oil and high hydrophobicity. SOLUTION: The inorganic oxide powder subjected to a surface treatment with a reactive modified sil...
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| creator | INOUE AKIRA TASHIRO HIDEAKI KANAE MASAATSU |
| description | PROBLEM TO BE SOLVED: To provide a surface-modified inorganic oxide powder subjected to a surface treatment with a silicone oil, having a high fixation rate of the silicone oil and high hydrophobicity. SOLUTION: The inorganic oxide powder subjected to a surface treatment with a reactive modified silicone oil has a carbon fixation rate of not less than 90% and a hydrophobicity rate of not less than 95%. The inorganic oxide powder includes, preferably fumed silica. The surface-modified inorganic oxide powder is obtained by adding a reactive modified silicone oil to an inorganic oxide powder and subjecting the powder to a primary treatment at 150 to 280°C, followed by a secondary treatment over 280°C. By carrying out the surface treatment using the reactive modified silicone oil in a two-step treatment under predetermined temperature conditions, the obtained surface-modified inorganic oxide powder has a high fixation rate and high hydrophobicity. COPYRIGHT: (C)2010,JPO&INPIT |
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SOLUTION: The inorganic oxide powder subjected to a surface treatment with a reactive modified silicone oil has a carbon fixation rate of not less than 90% and a hydrophobicity rate of not less than 95%. The inorganic oxide powder includes, preferably fumed silica. The surface-modified inorganic oxide powder is obtained by adding a reactive modified silicone oil to an inorganic oxide powder and subjecting the powder to a primary treatment at 150 to 280°C, followed by a secondary treatment over 280°C. By carrying out the surface treatment using the reactive modified silicone oil in a two-step treatment under predetermined temperature conditions, the obtained surface-modified inorganic oxide powder has a high fixation rate and high hydrophobicity. 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SOLUTION: The inorganic oxide powder subjected to a surface treatment with a reactive modified silicone oil has a carbon fixation rate of not less than 90% and a hydrophobicity rate of not less than 95%. The inorganic oxide powder includes, preferably fumed silica. The surface-modified inorganic oxide powder is obtained by adding a reactive modified silicone oil to an inorganic oxide powder and subjecting the powder to a primary treatment at 150 to 280°C, followed by a secondary treatment over 280°C. By carrying out the surface treatment using the reactive modified silicone oil in a two-step treatment under predetermined temperature conditions, the obtained surface-modified inorganic oxide powder has a high fixation rate and high hydrophobicity. COPYRIGHT: (C)2010,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY CINEMATOGRAPHY COMPOUNDS THEREOF DYES ELECTROGRAPHY ELECTROPHOTOGRAPHY HOLOGRAPHY HUMAN NECESSITIES HYGIENE INORGANIC CHEMISTRY MAGNETOGRAPHY MEDICAL OR VETERINARY SCIENCE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS PAINTS PHOTOGRAPHY PHYSICS POLISHES PREPARATION OF CARBON BLACK PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES |
| title | SURFACE-MODIFIED INORGANIC OXIDE POWDER AND TONER COMPOSITION FOR ELECTROPHOTOGRAPHY |
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