NL8502051A - Hydrothermische werkwijze voor de bereiding van magnetoplumbitisch ferriet. - Google Patents

Hydrothermische werkwijze voor de bereiding van magnetoplumbitisch ferriet. Download PDF

Info

Publication number: NL8502051A
Authority: NL; Netherlands
Prior art keywords: salts; derivatives; acids; ferrite; group
Prior art date: 1984-07-31

Application number

NL8502051A

Other languages

English (en)

Dutch (nl)

Original Assignee

Dowa Mining Co

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.)

1984-07-31

Filing date

1985-07-17

Publication date

1986-02-17

1985-07-17 Application filed by Dowa Mining Co filed Critical Dowa Mining Co

1986-02-17 Publication of NL8502051A publication Critical patent/NL8502051A/nl

Links

Classifications

- 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
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0063—Mixed oxides or hydroxides containing zinc
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0072—Mixed oxides or hydroxides containing manganese
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/80—Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements
- C01G51/82—Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/80—Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements
- C01G53/82—Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements
- 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
- 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
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-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
- 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)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Hard Magnetic Materials (AREA)
Compounds Of Iron (AREA)

NL8502051A 1984-07-31 1985-07-17 Hydrothermische werkwijze voor de bereiding van magnetoplumbitisch ferriet. NL8502051A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP16141084		1984-07-31
JP16141084A JPS6140823A (ja)	1984-07-31	1984-07-31	マグネトプランバイト型フエライトの水熱合成法

Publications (1)

Publication Number	Publication Date
NL8502051A true NL8502051A (nl)	1986-02-17

Family

ID=15734561

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8502051A NL8502051A (nl)	1984-07-31	1985-07-17	Hydrothermische werkwijze voor de bereiding van magnetoplumbitisch ferriet.

Country Status (4)

Country	Link
US (1)	US4789494A (mo)
JP (1)	JPS6140823A (mo)
DE (1)	DE3527478A1 (mo)
NL (1)	NL8502051A (mo)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH067526B2 (ja) *	1985-11-28	1994-01-26	戸田工業株式会社	板状Ｂａフエライト粒子粉末の製造方法
JPS62216920A (ja) *	1986-03-14	1987-09-24	Dowa Mining Co Ltd	マグネトプランバイト型フエライト粉末およびその製造方法
FR2605623B1 (fr) *	1986-10-23	1989-06-09	Kodak Pathe	Procede de preparation de particules magnetiques d'hexaferrites, particules obtenues et produits les contenant
JP2547000B2 (ja) *	1986-12-25	1996-10-23	石原産業株式会社	磁気記録用強磁性微粉末
JPS63260106A (ja) *	1987-04-17	1988-10-27	Nippon Zeon Co Ltd	磁気記録用磁性粉
JPS63260104A (ja) *	1987-04-17	1988-10-27	Nippon Zeon Co Ltd	磁気記録用磁性粉
JPS63260110A (ja) *	1987-04-17	1988-10-27	Nippon Zeon Co Ltd	磁気記録用磁性粉
FR2616440B1 (fr) *	1987-06-12	1993-01-08	Cga Hbs	Compose pulverulent magnetique pour une encre
JP2620256B2 (ja) *	1987-10-01	1997-06-11	日立マクセル株式会社	磁気記録媒体
DE3808861A1 (de) *	1988-03-17	1989-09-28	Bayer Ag	Feinteilige kaliumhaltige magnetische hexaferritpigmente aus faellungsmagnetit, verfahren zur ihrer herstellung und deren verwendung
US5075169A (en) *	1988-06-08	1991-12-24	Toda Kogyo Corp.	Plate-like composite ferrite particles for magnetic recording and process for producing the same
DE3907914A1 (de) *	1989-03-11	1990-09-13	Bayer Ag	Feinteilige magnetische hexaferrite mit geringer temperaturabhaengigkeit der koerzitivkraft sowie deren verwendung
JPH02267122A (ja) *	1989-04-07	1990-10-31	Nippon Zeon Co Ltd	磁気記録媒体用磁性粉
JPH02296303A (ja) *	1989-05-11	1990-12-06	Nippon Zeon Co Ltd	磁気記録媒体用磁性粉
JP2517583Y2 (ja) *	1991-02-21	1996-11-20	石川島播磨重工業株式会社	海水吸入装置
CN1042626C (zh) *	1995-07-06	1999-03-24	南京理工大学	超细六角晶系铁氧体的制备方法
JP2002298333A (ja) *	2001-03-29	2002-10-11	Fuji Photo Film Co Ltd	六方晶系フェライトの製造方法及びそれを用いた磁気記録媒体
KR100586086B1 (ko) *	2002-02-05	2006-06-01	충남대학교산학협력단	연속식 수열합성 반응기를 이용한 ｐｚｔ 나노 분말의제조
EP1499206A1 (en) *	2002-04-10	2005-01-26	Thomas P. Binder	Hydrothermically processed compositions containing phytosterols
DE102006023244A1 (de) *	2006-05-18	2007-11-22	Lanxess Deutschland Gmbh	Oxidationsstabile Eisenoxidpigmente, Verfahren zu ihrer Herstellung sowie deren Verwendung
CN101345109B (zh) *	2008-05-01	2011-03-16	浙江师范大学	镍锌铜铁氧体吸波材料的制备方法
JP5628063B2 (ja) *	2010-03-26	2014-11-19	富士フイルム株式会社	難燃剤用金属水酸化物微粒子の製造方法
JP5917452B2 (ja) *	2013-07-08	2016-05-18	富士フイルム株式会社	六方晶フェライト磁性粒子の製造方法、および磁気記録媒体の製造方法
CN103408063B (zh) *	2013-08-07	2015-08-26	江苏大学	以木素磺酸盐为表面活性剂水热法制备纳米氧化锌的方法
JP6280922B2 (ja) *	2013-09-30	2018-02-14	富士フイルム株式会社	六方晶フェライト粒子の製造方法および磁気記録媒体の製造方法
JP5998170B2 (ja) *	2014-03-28	2016-09-28	富士フイルム株式会社	六方晶フェライト粉末の製造方法および磁気記録媒体の製造方法
TWI666661B (zh) *	2015-01-22	2019-07-21	日商保德科技股份有限公司	六角板狀鐵氧體粉末及其製造方法，以及使用該鐵氧體粉末的樹脂組合物及成型體
JP6434866B2 (ja) *	2015-06-30	2018-12-05	富士フイルム株式会社	六方晶フェライト粉末の製造方法および磁気記録媒体の製造方法
CN105645476B (zh) *	2016-03-24	2017-07-07	陕西科技大学	一种微波水热法制备纳米Sr(Fe0.5Nb0.5)O3粉体的方法
CN110137346B (zh) *	2019-06-18	2023-04-18	西安工业大学	一种锰掺杂铁酸钬HoMnxFe1-xO3磁电材料的制备方法
CN111268742A (zh) *	2020-02-12	2020-06-12	西安工程大学	一种四氧化三铁量子点的制备方法
CN112408498A (zh) *	2020-11-26	2021-02-26	上海颜钛实业有限公司	一种尖晶石型铁氧体CoFe2O4纳米粉体的水热制备方法
CN113087516B (zh) *	2021-03-31	2022-07-22	重庆上甲电子股份有限公司	利用工业废弃物制备锰锌铁氧体的低温烧结方法
JP7664787B2 (ja) *	2021-07-30	2025-04-18	Ｄｏｗａエレクトロニクス株式会社	キャリア芯材

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL111324C (mo) *	1957-05-13	1965-06-15
DE2533714A1 (de) *	1975-07-28	1977-02-17	Fuji Photo Film Co Ltd	Verfahren zur herstellung eines magnetmaterials und ein dasselbe enthaltendes magnetisches aufzeichnungsmedium
JPS55149137A (en) *	1979-05-11	1980-11-20	Tdk Corp	High performance high coercive force powder and its manufacture
JPS55149138A (en) *	1979-05-11	1980-11-20	Tdk Corp	Iron oxide hydrate containing silicon and phosphorus, and its manufacture
JPS55154322A (en) *	1979-05-11	1980-12-01	Tdk Corp	Manufacture of iron oxide
DE3041960C2 (de) *	1979-11-08	1983-07-21	Tokyo Shibaura Denki K.K., Kawasaki, Kanagawa	Verfahren zur Herstellung eines Magnetpulvers für die Magnetaufzeichnung mit hoher Dichte
JPS5756329A (en) *	1980-09-22	1982-04-03	Toshiba Corp	Manufacture of magnetic powder for magnetic recording medium
EP0072437B1 (de) *	1981-08-19	1987-01-07	BASF Aktiengesellschaft	Verfahren zur Herstellung feinteiliger Ferritpulver

1984
- 1984-07-31 JP JP16141084A patent/JPS6140823A/ja active Granted
1985
- 1985-07-17 NL NL8502051A patent/NL8502051A/nl not_active Application Discontinuation
- 1985-07-31 DE DE19853527478 patent/DE3527478A1/de active Granted
1987
- 1987-01-09 US US07/005,390 patent/US4789494A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
US4789494A (en)	1988-12-06
JPS6140823A (ja)	1986-02-27
JPH0148207B2 (mo)	1989-10-18
DE3527478C2 (mo)	1989-02-16
DE3527478A1 (de)	1986-02-06

Legal Events

Date	Code	Title
1986-02-17	A1A	A request for search or an international-type search has been filed
1988-12-01	BB	A search report has been drawn up
1989-01-02	BC	A request for examination has been filed
1996-04-01	BV	The patent application has lapsed

Publication	Publication Date	Title
US4789494A (en)	1988-12-06	Hydrothermal process for producing magnetoplumbitic ferrite
US5057299A (en)	1991-10-15	Method for making beta cobaltous hydroxide
EP0102819B1 (en)	1986-12-30	Barium ferrite particles for magnetic recording media
EP0150580A1 (en)	1985-08-07	Production of barium ferrite particles
JPH0247209A (ja)	1990-02-16	板状バリウムフエライト微粉末の製造方法
JPH0380725B2 (mo)	1991-12-25
JPH07172839A (ja)	1995-07-11	六方晶系Ｂａフェライト磁性粉の製造方法
US5246609A (en)	1993-09-21	Process for preparing ferromagnetic fine particles for magnetic recording
KR960011787B1 (ko)	1996-08-30	자기기록용 강자성 미세입자의 제조방법
JPS63116407A (ja)	1988-05-20	磁性流体の製造方法
JP2547000B2 (ja)	1996-10-23	磁気記録用強磁性微粉末
JPH0377130B2 (mo)	1991-12-09
JPH0542055B2 (mo)	1993-06-25
JPH0524869B2 (mo)	1993-04-09
JP2651795B2 (ja)	1997-09-10	磁気記録用強磁性微粉末の製造方法
JPS6310094B2 (mo)	1988-03-03
Lee et al.	1993	Synthesis of nano‐sized barium ferrite particles using an inorganic dispersing phase
JPS6257577B2 (mo)	1987-12-01
JPH0614486B2 (ja)	1994-02-23	磁気記録用板状複合フェライト微粒子粉末及びその製造法
JPH0430724B2 (mo)	1992-05-22
JPH01294539A (ja)	1989-11-28	板状バリウムフエライト微粉末の製造方法
JPS6310095B2 (mo)	1988-03-03
JPS61295236A (ja)	1986-12-26	微粒子状マグネトプランバイト型フエライトの製造法
JPH09129428A (ja)	1997-05-16	光磁気記録用フェライト磁性粉及びその製造方法
JPH01143305A (ja)	1989-06-05	バリウムフェライト粉末の製造方法