DE69800243T2 - Verfahren zur Herstellung von Eisenoxid Hydrat und ferromagnetisches Eisenoxid - Google Patents
Verfahren zur Herstellung von Eisenoxid Hydrat und ferromagnetisches EisenoxidInfo
- Publication number
- DE69800243T2 DE69800243T2 DE69800243T DE69800243T DE69800243T2 DE 69800243 T2 DE69800243 T2 DE 69800243T2 DE 69800243 T DE69800243 T DE 69800243T DE 69800243 T DE69800243 T DE 69800243T DE 69800243 T2 DE69800243 T2 DE 69800243T2
- Authority
- DE
- Germany
- Prior art keywords
- iron oxide
- production
- ferromagnetic
- hydrate
- oxide hydrate
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title 2
- 230000005294 ferromagnetic effect Effects 0.000 title 1
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 title 1
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
- G11B5/70678—Ferrites
- G11B5/70684—Ferro-ferrioxydes
- G11B5/70689—Magnetite
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/04—Ferrous oxide [FeO]
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/02—Oxides; Hydroxides
- C01G49/06—Ferric oxide [Fe2O3]
-
- 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
- G11B5/70678—Ferrites
- G11B5/70684—Ferro-ferrioxydes
- G11B5/70694—Non-stoechiometric ferro-ferrioxydes, e.g. berthollide
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/51—Particles with a specific particle size distribution
- C01P2004/52—Particles with a specific particle size distribution highly monodisperse size distribution
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9041592A JPH10226520A (ja) | 1997-02-10 | 1997-02-10 | 水和酸化鉄及び強磁性酸化鉄の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69800243D1 DE69800243D1 (de) | 2000-09-14 |
DE69800243T2 true DE69800243T2 (de) | 2000-12-21 |
Family
ID=12612694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69800243T Expired - Fee Related DE69800243T2 (de) | 1997-02-10 | 1998-02-10 | Verfahren zur Herstellung von Eisenoxid Hydrat und ferromagnetisches Eisenoxid |
Country Status (4)
Country | Link |
---|---|
US (1) | US5911905A (de) |
EP (1) | EP0857693B1 (de) |
JP (1) | JPH10226520A (de) |
DE (1) | DE69800243T2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000123354A (ja) * | 1998-10-20 | 2000-04-28 | Toda Kogyo Corp | 磁気記録媒体の非磁性下地層用粒子粉末及びその製造法並びに磁気記録媒体 |
ES2180371B1 (es) * | 2000-03-17 | 2004-06-16 | Universidad Complutense De Madrid | Procedimiento de preparacion de oxidos ferromagneticos obtenidos a partir de alpha na fe o2 y sales amonicas. |
ITMI20020567A1 (it) * | 2002-03-18 | 2003-09-18 | Sud Chemie S R L | Processo per la preparazione di ossidi di ferro |
CA2695710C (en) * | 2007-08-10 | 2013-01-08 | Rentech, Inc. | Precipitated iron catalyst for hydrogenation of carbon monoxide |
BR112013033063A2 (pt) * | 2011-06-30 | 2017-01-24 | Nanogreen Biorefineries Inc | conversão catalítica de biomassa |
JP7500245B2 (ja) * | 2019-04-25 | 2024-06-17 | 日鉄鉱業株式会社 | コバルトフェライト粒子の製造方法とそれにより製造されたコバルトフェライト粒子 |
CN113385174B (zh) * | 2021-07-17 | 2022-08-26 | 安徽农业大学 | 钴改性水合氧化铁催化剂及其制备方法和应用 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5622638A (en) * | 1979-07-27 | 1981-03-03 | Hitachi Maxell Ltd | Manufacture of alpha-iron oxyhydroxide |
JPS57501026A (de) * | 1980-07-24 | 1982-06-10 | ||
JPS62167222A (ja) * | 1986-01-17 | 1987-07-23 | Showa Denko Kk | レピツドクロサイトの製造方法 |
FR2653918B1 (fr) * | 1989-10-31 | 1992-02-14 | Europ Agence Spatiale | Procede de rectification en temps reel des images des satellites meteorologiques geostationnaires. |
-
1997
- 1997-02-10 JP JP9041592A patent/JPH10226520A/ja active Pending
-
1998
- 1998-02-09 US US09/020,508 patent/US5911905A/en not_active Expired - Fee Related
- 1998-02-10 DE DE69800243T patent/DE69800243T2/de not_active Expired - Fee Related
- 1998-02-10 EP EP98301010A patent/EP0857693B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5911905A (en) | 1999-06-15 |
EP0857693A1 (de) | 1998-08-12 |
JPH10226520A (ja) | 1998-08-25 |
EP0857693B1 (de) | 2000-08-09 |
DE69800243D1 (de) | 2000-09-14 |
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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 |