DE3783580T2 - Verfahren zur herstellung von nadelfoermigen teilchen aus alpha-eisenoxidhydroxid. - Google Patents

Verfahren zur herstellung von nadelfoermigen teilchen aus alpha-eisenoxidhydroxid.

Info

Publication number
DE3783580T2
DE3783580T2 DE8787310171T DE3783580T DE3783580T2 DE 3783580 T2 DE3783580 T2 DE 3783580T2 DE 8787310171 T DE8787310171 T DE 8787310171T DE 3783580 T DE3783580 T DE 3783580T DE 3783580 T2 DE3783580 T2 DE 3783580T2
Authority
DE
Germany
Prior art keywords
alpha
iron oxide
shaped particles
oxide hydroxide
producing needle
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
Application number
DE8787310171T
Other languages
English (en)
Other versions
DE3783580D1 (de
Inventor
Masayoshi Saito
Jiro I
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JNC Corp
Original Assignee
Chisso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chisso Corp filed Critical Chisso Corp
Publication of DE3783580D1 publication Critical patent/DE3783580D1/de
Application granted granted Critical
Publication of DE3783580T2 publication Critical patent/DE3783580T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B5/70652—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 gamma - Fe2 O3
    • G11B5/70663—Preparation processes specially adapted therefor, e.g. using stabilising agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • 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)
    • 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
    • C01P2004/54—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
    • 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
    • C01P2004/60—Particles characterised by their size
    • C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
DE8787310171T 1986-11-22 1987-11-18 Verfahren zur herstellung von nadelfoermigen teilchen aus alpha-eisenoxidhydroxid. Expired - Fee Related DE3783580T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61279201A JPS63134523A (ja) 1986-11-22 1986-11-22 針状α−オキシ水酸化鉄粒子粉末の製造方法

Publications (2)

Publication Number Publication Date
DE3783580D1 DE3783580D1 (de) 1993-02-25
DE3783580T2 true DE3783580T2 (de) 1993-05-27

Family

ID=17607842

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787310171T Expired - Fee Related DE3783580T2 (de) 1986-11-22 1987-11-18 Verfahren zur herstellung von nadelfoermigen teilchen aus alpha-eisenoxidhydroxid.

Country Status (4)

Country Link
US (1) US4806335A (de)
EP (1) EP0269361B1 (de)
JP (1) JPS63134523A (de)
DE (1) DE3783580T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2640817B2 (ja) * 1987-10-27 1997-08-13 戸田工業株式会社 紡錘形を呈したゲータイト粒子粉末及びその製造法
DE3907917A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Verfahren zur herstellung von eisenoxidgelb-pigmenten
DE3907910A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Verfahren zur herstellung von eisenoxidgelb-pigmenten
DE4434973A1 (de) * 1994-09-30 1996-04-04 Bayer Ag Höchsttransparente gelbe Eisenoxidpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung
US6649384B2 (en) * 2000-07-05 2003-11-18 Islet Technology, Inc. System and method for encapsulating biological material by applying electrostatic charge to capsules
JP2008239399A (ja) * 2007-03-27 2008-10-09 Tdk Corp オキシ水酸化鉄粒子の製造方法
EA031484B1 (ru) * 2011-06-30 2019-01-31 Нано-Грин Байорифайнериз Инк. Способ каталитической конверсии лигноцеллюлозной биомассы и получения кристаллической целлюлозы
CN103204548B (zh) * 2013-04-12 2014-10-01 陕西科技大学 一种窄粒径分布亚微米级α-FeOOH 的可控制备方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4073878A (en) * 1975-09-09 1978-02-14 Tatsukiyo Otsuki Method for producing yellow hydrated ferric oxide
DE2541948B2 (de) * 1975-09-19 1979-09-20 Tatsukiyo Otsuki Verfahren zur Herstellung von gelbem, hydratisierten Eisen-HI-Oxid
JPS589052B2 (ja) * 1979-06-12 1983-02-18 製鉄化学工業株式会社 黄色酸化鉄の製造法
JPS5622637A (en) * 1979-07-27 1981-03-03 Hitachi Maxell Ltd Manufacture of alpha-iron oxyhydroxide
JPS5622638A (en) * 1979-07-27 1981-03-03 Hitachi Maxell Ltd Manufacture of alpha-iron oxyhydroxide
JPS5669229A (en) * 1979-11-13 1981-06-10 Tdk Corp Preparation of hydrous iron oxide
JPS5945931A (ja) * 1982-08-31 1984-03-15 Tone Sangyo Kk ゲ−タイトの製造方法
JPS5957917A (ja) * 1982-09-29 1984-04-03 Hitachi Metals Ltd 金属磁性粉用水酸化鉄の製造方法
JPS59128293A (ja) * 1982-12-29 1984-07-24 Nippon Soda Co Ltd α−オキシ水酸化鉄針状結晶の製造法
JPS6090830A (ja) * 1983-10-25 1985-05-22 Toyo Soda Mfg Co Ltd 針状α―オキシ水酸化鉄の製造法
US4597958A (en) * 1984-09-17 1986-07-01 Mitsui Mining & Smelting Co., Ltd. Method of producing hydrated iron oxide
JPS61140110A (ja) * 1984-12-12 1986-06-27 Ishihara Sangyo Kaisha Ltd 磁気記録材料用針状α−ＦｅＯＯＨの製造方法
JPS61186225A (ja) * 1985-02-15 1986-08-19 Sumitomo Alum Smelt Co Ltd 針状ゲ−タイトの製造方法

Also Published As

Publication number Publication date
DE3783580D1 (de) 1993-02-25
US4806335A (en) 1989-02-21
JPS63134523A (ja) 1988-06-07
JPH0346409B2 (de) 1991-07-16
EP0269361A2 (de) 1988-06-01
EP0269361B1 (de) 1993-01-13
EP0269361A3 (en) 1990-01-17

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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