FR2359884B1 - - Google Patents

Info

Publication number
FR2359884B1
FR2359884B1 FR7723139A FR7723139A FR2359884B1 FR 2359884 B1 FR2359884 B1 FR 2359884B1 FR 7723139 A FR7723139 A FR 7723139A FR 7723139 A FR7723139 A FR 7723139A FR 2359884 B1 FR2359884 B1 FR 2359884B1
Authority
FR
France
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
FR7723139A
Other languages
French (fr)
Other versions
FR2359884A1 (fr
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.)
Bayer AG
Original Assignee
Bayer AG
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 Bayer AG filed Critical Bayer AG
Publication of FR2359884A1 publication Critical patent/FR2359884A1/fr
Application granted granted Critical
Publication of FR2359884B1 publication Critical patent/FR2359884B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • 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
    • G11B5/70673—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 containing Co
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/30—Three-dimensional structures
    • 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)
  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Compounds Of Iron (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Hard Magnetic Materials (AREA)
FR7723139A 1976-07-27 1977-07-27 Procede hydrothermique pour la production de pigments denses d'oxyde de fer Granted FR2359884A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2633597A DE2633597C2 (de) 1976-07-27 1976-07-27 Verfahren zur Herstellung von nadel- bis prismenförmigen ferrimagnetischen Eisenoxidpigmenten zur magnetischen Signalaufzeichnung

Publications (2)

Publication Number Publication Date
FR2359884A1 FR2359884A1 (fr) 1978-02-24
FR2359884B1 true FR2359884B1 (enExample) 1980-12-26

Family

ID=5983991

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7723139A Granted FR2359884A1 (fr) 1976-07-27 1977-07-27 Procede hydrothermique pour la production de pigments denses d'oxyde de fer

Country Status (8)

Country Link
US (1) US4140539A (enExample)
JP (1) JPS5314736A (enExample)
BE (1) BE857184A (enExample)
DE (1) DE2633597C2 (enExample)
FR (1) FR2359884A1 (enExample)
GB (1) GB1538040A (enExample)
IT (1) IT1143591B (enExample)
NL (1) NL183993C (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2904491A1 (de) * 1979-02-07 1980-08-21 Bayer Ag Plaettchenfoermige eisenoxidpigmente und verfahren zu deren herstellung sowie deren verwendung
NL7901438A (nl) * 1979-02-23 1980-08-26 Philips Nv Werkwijze voor de bereiding van een feooh pigment.
DE2909480A1 (de) * 1979-03-10 1980-09-11 Bayer Ag Ferromagnetisches, im wesentlichen aus eisen bestehendes metallpigment und verfahren zu dessen herstellung
JPS5917050B2 (ja) * 1979-05-30 1984-04-19 チタン工業株式会社 黄色酸化鉄顔料の耐熱性改善方法
JPS55158131A (en) * 1979-05-30 1980-12-09 Titan Kogyo Kk Heat-resistant yellow iron oxide pigment and its manufacture
US4291010A (en) * 1979-09-05 1981-09-22 Titan Kogyo Kabushiki Kaisha Heat stable yellow iron oxides
DE3001438C2 (de) * 1980-01-16 1984-05-17 Shiseido Co. Ltd., Tokyo Kosmetisches Mittel
US4514216A (en) * 1983-04-30 1985-04-30 Toda Kogyo Corp. Acicular ferromagnetic alloy particles for magnetic recording and process for producing the same
DE3432224A1 (de) * 1984-09-01 1986-03-13 Bayer Ag, 5090 Leverkusen Hoeherkoerzitive isometrische eisenoxide, verfahren zu ihrer herstellung sowie deren verwendung
DE3819626A1 (de) * 1988-06-09 1989-12-14 Bayer Ag Thermostabile zinkferrit-farbpigmente, verfahren zu ihrer herstellung sowie deren verwendung
EP0371384B1 (en) * 1988-12-01 1995-06-21 Ishihara Sangyo Kaisha, Ltd. Process for producing magnetic iron oxide particles for magnetic recording
DE4342331A1 (de) * 1993-12-11 1995-06-14 Krueger Gmbh & Co Kg Pigmentgranulat zum Einfärben von Baustoffen
US6416682B1 (en) * 1999-11-04 2002-07-09 Ceramic Oxides International B.V. Method of producing minerals under near-critical, critical and supercritical conditions
RU2303046C1 (ru) * 2006-01-10 2007-07-20 Государственное образовательное учреждение высшего профессионального образования "Южно-Уральский государственный университет" Способ получения красного железоокисного пигмента
EP2128095A4 (en) * 2007-01-05 2011-12-21 Tokyo Inst Tech SPHERICAL FERRITE NANOPARTICLES AND MANUFACTURING METHOD THEREFOR
JP2016511531A (ja) * 2012-12-07 2016-04-14 ザ トラスティーズ オブ ダートマウス カレッジ 高い比吸収率（ｓａｒ）を伴う磁性ナノ粒子、複合体、懸濁液、および、コロイド
CN110228824A (zh) * 2018-11-26 2019-09-13 合肥学院 一种磁性氧化铁纳米材料的制备方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694656A (en) * 1947-07-25 1954-11-16 Armour Res Found Magnetic impulse record member, magnetic material, and method of making magnetic material
US3240621A (en) * 1960-11-14 1966-03-15 Dictaphone Corp High viscosity dispersions of magnetic pigments
US3557266A (en) * 1967-02-09 1971-01-19 Matsushita Electric Industrial Co Ltd Method of eliminating the porosity and controlling the grain size of a ferrite body by a two stage hot pressing treatment
DE1694167C3 (de) * 1967-07-13 1975-04-24 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Emulsionen
JPS4810994B1 (enExample) * 1969-07-26 1973-04-09
NL7018467A (enExample) * 1969-12-24 1971-06-28
US3989794A (en) * 1971-01-07 1976-11-02 Eastman Kodak Company Process of manufacturing ferrite bodies of low porosity
JPS5522002B2 (enExample) * 1974-04-19 1980-06-13
JPS5719053B2 (enExample) * 1974-09-20 1982-04-20
JPS5138099A (enExample) * 1974-09-25 1976-03-30 Fuji Photo Film Co Ltd
IT1028343B (it) * 1975-01-14 1979-01-30 Montedison Spa Procedimento per la preparazione di ossido ferrico aciculare ferri magnetico

Also Published As

Publication number Publication date
JPS5314736A (en) 1978-02-09
NL183993B (nl) 1988-10-17
FR2359884A1 (fr) 1978-02-24
US4140539A (en) 1979-02-20
DE2633597C2 (de) 1983-01-13
JPS5523216B2 (enExample) 1980-06-21
IT1143591B (it) 1986-10-22
NL183993C (nl) 1989-03-16
NL7708330A (nl) 1978-01-31
BE857184A (fr) 1978-01-27
DE2633597A1 (de) 1978-02-02
GB1538040A (en) 1979-01-10

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Legal Events

Date Code Title Description
ST Notification of lapse