DE69411319T2 - Körmige, beschichtete Magnetitteilchen und deren Herstellungsverfahren - Google Patents
Körmige, beschichtete Magnetitteilchen und deren HerstellungsverfahrenInfo
- Publication number
- DE69411319T2 DE69411319T2 DE69411319T DE69411319T DE69411319T2 DE 69411319 T2 DE69411319 T2 DE 69411319T2 DE 69411319 T DE69411319 T DE 69411319T DE 69411319 T DE69411319 T DE 69411319T DE 69411319 T2 DE69411319 T2 DE 69411319T2
- Authority
- DE
- Germany
- Prior art keywords
- shaped
- manufacturing processes
- magnetite particles
- coated magnetite
- coated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70647—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides with a skin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/22—Compounds of iron
- C09C1/24—Oxides of iron
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
- C09C3/063—Coating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/083—Magnetic toner particles
- G03G9/0837—Structural characteristics of the magnetic components, e.g. shape, crystallographic structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
- H01F1/11—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles
- H01F1/112—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles with a skin
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/88—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by thermal analysis data, e.g. TGA, DTA, DSC
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/38—Particle morphology extending in three dimensions cube-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/30—Particle morphology extending in three dimensions
- C01P2004/41—Particle morphology extending in three dimensions octahedron-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/50—Agglomerated particles
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
- C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
- C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/62—L* (lightness axis)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/63—Optical properties, e.g. expressed in CIELAB-values a* (red-green axis)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/64—Optical properties, e.g. expressed in CIELAB-values b* (yellow-blue axis)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
- C01P2006/66—Hue (H*)
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/90—Other properties not specified above
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12520993A JP3314788B2 (ja) | 1993-04-27 | 1993-04-27 | 粒状マグネタイト粒子粉末及びその製造法 |
JP5125208A JPH06310317A (ja) | 1993-04-27 | 1993-04-27 | 粒状マグネタイト粒子粉末及びその製造法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69411319D1 DE69411319D1 (de) | 1998-08-06 |
DE69411319T2 true DE69411319T2 (de) | 1998-11-05 |
Family
ID=26461704
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69411319T Expired - Fee Related DE69411319T2 (de) | 1993-04-27 | 1994-04-25 | Körmige, beschichtete Magnetitteilchen und deren Herstellungsverfahren |
Country Status (3)
Country | Link |
---|---|
US (1) | US5648170A (de) |
EP (1) | EP0622426B1 (de) |
DE (1) | DE69411319T2 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5641600A (en) * | 1994-08-05 | 1997-06-24 | Canon Kabushiki Kaisha | Magnetic toner and image forming method |
DE69619293T2 (de) * | 1995-04-24 | 2002-08-22 | Dainichiseika Color Chem | Zusammensetzung für eine Schwarzmatrix, Herstellung einer Schwarzmatrix und Gegenstand mit einer solchen Matrix |
DE19520398B4 (de) * | 1995-06-08 | 2009-04-16 | Roche Diagnostics Gmbh | Magnetisches Pigment |
KR100463475B1 (ko) | 1995-06-08 | 2005-06-22 | 로셰 디아그노스틱스 게엠베하 | 자기성피그먼트 |
PL191422B1 (pl) * | 1997-01-21 | 2006-05-31 | Grace W R & Co | Adsorbent o cząstkach stałych i sposób wytwarzania cząstek adsorbenta |
US5795692A (en) * | 1997-03-31 | 1998-08-18 | Xerox Corporation | Carrier composition and processes thereof |
DE19743518A1 (de) * | 1997-10-01 | 1999-04-15 | Roche Diagnostics Gmbh | Automatisierbare universell anwendbare Probenvorbereitungsmethode |
JP3261088B2 (ja) * | 1997-12-26 | 2002-02-25 | 三井金属鉱業株式会社 | マグネタイト粒子およびその製造方法 |
US6416864B1 (en) * | 1998-02-17 | 2002-07-09 | Toda Kogyo Corporation | Black magnetic composite particles for a black magnetic toner |
DK1232502T3 (da) * | 1999-11-17 | 2006-05-22 | Roche Diagnostics Gmbh | Magnetiske glaspartikler, fremgangsmåde til deres fremstilling samt anvendelser deraf |
EP1207433B2 (de) * | 2000-11-20 | 2013-06-12 | Ricoh Company, Ltd. | Toner zur Entwicklung elektrostatischer Bilder, Bilderzeugungsverfahren und Bilderzeugungsvorrichtung |
KR100740027B1 (ko) * | 2001-01-23 | 2007-07-18 | 토다 고교 가부시끼가이샤 | 흑색 자성 산화철 입자 및 자성 토너 |
US6962685B2 (en) * | 2002-04-17 | 2005-11-08 | International Business Machines Corporation | Synthesis of magnetite nanoparticles and the process of forming Fe-based nanomaterials |
JP2010502992A (ja) | 2006-09-05 | 2010-01-28 | コロンバス ナノワークス,インコーポレーテッド | 磁性粒子、並びにその作製及び使用方法 |
JP5089612B2 (ja) * | 2007-01-26 | 2012-12-05 | キヤノン株式会社 | 磁性トナー |
TW201113523A (en) * | 2009-08-31 | 2011-04-16 | Mbio Diagnostics Inc | Integrated sample preparation and analyte detection |
CN102225866B (zh) * | 2011-04-22 | 2013-03-27 | 宋玉军 | 一种铁氧体纳米颗粒的制备方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB631008A (en) * | 1944-02-22 | 1949-10-25 | Niagara Alkali Company | Chlorination of phthalic anhydride |
DE2625106C2 (de) * | 1976-06-04 | 1982-03-11 | Bayer Ag, 5090 Leverkusen | Eisenoxidschwarz-Pigmente mit verbesserter Oxidationsbeständigkeit und Verfahren zu ihrer Herstellung |
JPS547292A (en) * | 1977-06-20 | 1979-01-19 | Toshiba Corp | Parallel driver for a plural number of cryostats |
JPS6036082B2 (ja) * | 1978-10-27 | 1985-08-19 | ティーディーケイ株式会社 | 電子写真磁性トナ−用フエライト粉体およびその製造方法 |
EP0041727B1 (de) * | 1980-06-11 | 1987-09-09 | Hitachi Maxell Ltd. | Verfahren zur Herstellung von im wesentlichen aus metallischem Eisen bestehenden ferromagnetischen Teilchen |
JPS60117259A (ja) * | 1983-11-30 | 1985-06-24 | Mitsui Toatsu Chem Inc | 正帯電性磁性体粒子 |
JPH0732093B2 (ja) * | 1984-02-09 | 1995-04-10 | ソニー株式会社 | 針状強磁性酸化鉄磁性粉 |
JPS63103829A (ja) * | 1986-10-17 | 1988-05-09 | Toda Kogyo Corp | 針状磁性酸化鉄粒子粉末及びその製造法 |
EP0376033B1 (de) * | 1988-12-24 | 1993-01-20 | Bayer Ag | Verfahren zur Herstellung von magnetischen Eisenoxiden und so erhaltene Pigmente |
EP0377933B1 (de) * | 1988-12-29 | 1995-07-19 | Toda Kogyo Corp. | Magnetische Eisenoxydteilchen und Verfahren zu ihrer Herstellung |
US5143810A (en) * | 1989-05-30 | 1992-09-01 | Canon Kabushiki Kaisha | Magnetic toner for developing electrostatic image |
JPH0348505A (ja) * | 1989-07-17 | 1991-03-01 | Matsushita Electric Ind Co Ltd | 周波数変換回路及び半導体装置 |
DE4128563A1 (de) * | 1991-08-28 | 1993-03-04 | Bayer Ag | Verfahren zur herstellung magnetischer eisenoxidpigmente |
JPH06100317A (ja) * | 1992-02-05 | 1994-04-12 | Toda Kogyo Corp | 磁性酸化鉄粒子粉末及びその製造法 |
-
1994
- 1994-04-20 US US08/230,405 patent/US5648170A/en not_active Expired - Fee Related
- 1994-04-25 EP EP94302922A patent/EP0622426B1/de not_active Expired - Lifetime
- 1994-04-25 DE DE69411319T patent/DE69411319T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69411319D1 (de) | 1998-08-06 |
EP0622426A1 (de) | 1994-11-02 |
US5648170A (en) | 1997-07-15 |
EP0622426B1 (de) | 1998-07-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |