JPH0140765B2 - - Google Patents

Info

Publication number
JPH0140765B2
JPH0140765B2 JP59224968A JP22496884A JPH0140765B2 JP H0140765 B2 JPH0140765 B2 JP H0140765B2 JP 59224968 A JP59224968 A JP 59224968A JP 22496884 A JP22496884 A JP 22496884A JP H0140765 B2 JPH0140765 B2 JP H0140765B2
Authority
JP
Japan
Prior art keywords
iron
particles
carbon
less
iron oxide
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
Application number
JP59224968A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61106410A (ja
Inventor
Kazuo Okamura
Ikuo Kitamura
Hideki Aomi
Satoru Koyama
Katsushi Tokunaga
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.)
Daikin Industries Ltd
Original Assignee
Daikin Kogyo Co Ltd
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 Daikin Kogyo Co Ltd filed Critical Daikin Kogyo Co Ltd
Priority to JP59224968A priority Critical patent/JPS61106410A/ja
Priority to KR1019850007821A priority patent/KR890003869B1/ko
Priority to CA000493651A priority patent/CA1328727C/en
Priority to DE8585113612T priority patent/DE3576679D1/de
Priority to EP85113612A priority patent/EP0179490B1/en
Publication of JPS61106410A publication Critical patent/JPS61106410A/ja
Priority to US06/918,783 priority patent/US4842759A/en
Priority to US07/327,461 priority patent/US5151206A/en
Publication of JPH0140765B2 publication Critical patent/JPH0140765B2/ja
Granted legal-status Critical Current

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
    • 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
    • G11B5/70668—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 containing a dopant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • B01J27/20—Carbon compounds
    • B01J27/22—Carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/907—Oxycarbides; Sulfocarbides; Mixture of carbides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • C01P2002/72—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by d-values or two theta-values, e.g. as X-ray diagram
    • 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
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 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
    • C01P2004/62—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
    • 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
    • C01P2006/80—Compositional purity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Power Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Compounds Of Iron (AREA)
  • Hard Magnetic Materials (AREA)
JP59224968A 1983-04-25 1984-10-25 炭化鉄を含有する粒子、その製法及び用途 Granted JPS61106410A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP59224968A JPS61106410A (ja) 1984-10-25 1984-10-25 炭化鉄を含有する粒子、その製法及び用途
KR1019850007821A KR890003869B1 (ko) 1984-10-25 1985-10-23 탄화철 함유입자와 그의 제법 및 이용
CA000493651A CA1328727C (en) 1984-10-25 1985-10-23 Particles containing an iron carbide, process and use thereof
DE8585113612T DE3576679D1 (de) 1984-10-25 1985-10-25 Ein eisencarbid enthaltende teilchen, verfahren zu ihrer herstellung und ihre verwendung.
EP85113612A EP0179490B1 (en) 1984-10-25 1985-10-25 Particles containing an iron carbide, production process and use thereof
US06/918,783 US4842759A (en) 1983-04-25 1986-10-14 Acicular process for producing particulate material
US07/327,461 US5151206A (en) 1983-04-25 1989-03-22 Acicular iron carbide particulate material and process for producing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59224968A JPS61106410A (ja) 1984-10-25 1984-10-25 炭化鉄を含有する粒子、その製法及び用途

Publications (2)

Publication Number Publication Date
JPS61106410A JPS61106410A (ja) 1986-05-24
JPH0140765B2 true JPH0140765B2 (Direct) 1989-08-31

Family

ID=16822027

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59224968A Granted JPS61106410A (ja) 1983-04-25 1984-10-25 炭化鉄を含有する粒子、その製法及び用途

Country Status (5)

Country Link
EP (1) EP0179490B1 (Direct)
JP (1) JPS61106410A (Direct)
KR (1) KR890003869B1 (Direct)
CA (1) CA1328727C (Direct)
DE (1) DE3576679D1 (Direct)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996038379A1 (en) * 1995-05-31 1996-12-05 Kawasaki Jukogyo Kabushiki Kaisha Process and equipment for producing iron carbide

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4900464A (en) * 1985-12-24 1990-02-13 Daikin Industries Ltd. Particles containing iron carbide
JPS6395104A (ja) * 1986-10-06 1988-04-26 Daikin Ind Ltd Ｆｅ↓７Ｃ↓３を主成分とする炭化鉄を含有する粒子、その製法及び用途
FR2680984B1 (fr) * 1991-09-06 1993-11-05 Pechiney Recherche Preparation de catalyseur a partir d'oxydes metalliques par reduction et carburation partielle par les gaz reactionnels.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2535042A (en) * 1950-01-05 1950-12-26 Ernst M Cohn Preparation of iron carbides
US3885023A (en) * 1973-02-15 1975-05-20 Phillips Petroleum Co Preparation of iron carbide (Fe{hd 3{b C)
DE2935444A1 (de) * 1979-09-01 1981-03-19 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von nadelfoermigen ferrimagnetischem eisenoxid
DE3469820D1 (en) * 1983-04-25 1988-04-14 Daikin Ind Ltd Acicular particulate material containing iron carbide
JPS59199533A (ja) * 1983-04-25 1984-11-12 Daikin Ind Ltd 磁性粉末
JPS6016808A (ja) * 1983-07-05 1985-01-28 Daikin Ind Ltd 炭化鉄を含有する磁性材料

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996038379A1 (en) * 1995-05-31 1996-12-05 Kawasaki Jukogyo Kabushiki Kaisha Process and equipment for producing iron carbide
CN1061945C (zh) * 1995-05-31 2001-02-14 川崎重工业株式会社 生产碳化三铁的方法

Also Published As

Publication number Publication date
CA1328727C (en) 1994-04-26
KR860003633A (ko) 1986-05-28
EP0179490B1 (en) 1990-03-21
DE3576679D1 (de) 1990-04-26
KR890003869B1 (ko) 1989-10-05
EP0179490A2 (en) 1986-04-30
JPS61106410A (ja) 1986-05-24
EP0179490A3 (en) 1987-10-21

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