BE857184A - Procede hydrothermique pour la production de pigments denses d'oxyde de fer - Google Patents

Procede hydrothermique pour la production de pigments denses d'oxyde de fer

Info

Publication number
BE857184A
BE857184A BE2056116A BE2056116A BE857184A BE 857184 A BE857184 A BE 857184A BE 2056116 A BE2056116 A BE 2056116A BE 2056116 A BE2056116 A BE 2056116A BE 857184 A BE857184 A BE 857184A
Authority
BE
Belgium
Prior art keywords
densed
production
iron oxide
oxide pigments
hydrothermal process
Prior art date
Application number
BE2056116A
Other languages
English (en)
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 BE857184A publication Critical patent/BE857184A/fr

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

  • Health & Medical Sciences (AREA)
  • Dermatology (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Compounds Of Iron (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Hard Magnetic Materials (AREA)
BE2056116A 1976-07-27 1977-07-27 Procede hydrothermique pour la production de pigments denses d'oxyde de fer BE857184A (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 (1)

Publication Number Publication Date
BE857184A true BE857184A (fr) 1978-01-27

Family

ID=5983991

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2056116A BE857184A (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 (fr)
JP (1) JPS5314736A (fr)
BE (1) BE857184A (fr)
DE (1) DE2633597C2 (fr)
FR (1) FR2359884A1 (fr)
GB (1) GB1538040A (fr)
IT (1) IT1143591B (fr)
NL (1) NL183993C (fr)

Families Citing this family (16)

* 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
DE68923156T2 (de) * 1988-12-01 1995-12-07 Ishihara Sangyo Kaisha Verfahren zur Herstellung von magnetischen Eisenoxidteilchen für magnetische Aufzeichnung.
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
US8399022B2 (en) * 2007-01-05 2013-03-19 Tokyo Institute Of Technology Spherical ferrite nanoparticles and method for producing the same
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 Ind 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 (fr) * 1969-07-26 1973-04-09
NL7018467A (fr) * 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 (fr) * 1974-04-19 1980-06-13
JPS5719053B2 (fr) * 1974-09-20 1982-04-20
JPS5138099A (fr) * 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
FR2359884A1 (fr) 1978-02-24
JPS5523216B2 (fr) 1980-06-21
GB1538040A (en) 1979-01-10
NL183993B (nl) 1988-10-17
JPS5314736A (en) 1978-02-09
DE2633597C2 (de) 1983-01-13
NL7708330A (nl) 1978-01-31
IT1143591B (it) 1986-10-22
DE2633597A1 (de) 1978-02-02
NL183993C (nl) 1989-03-16
US4140539A (en) 1979-02-20
FR2359884B1 (fr) 1980-12-26

Similar Documents

Publication Publication Date Title
BE857184A (fr) Procede hydrothermique pour la production de pigments denses d'oxyde de fer
BE839881A (fr) Procede perfectionne pour la recuperation d'oxyde d'ethylene
BE879536A (fr) Procede de production continue du butanediol-1,4
BE878902A (fr) Procede de production d'alkylene-glycols
BE849414A (fr) Procede de preparation en continu d'oxyde-hydroxyde de fer feooh
RO76562A (fr) Procede pour la preparation des 3-imidazolilbenzo-1,2,4-triazine-1-oxydes
RO78013A (fr) Procede pour la preparation desderives d'acide thiazolidincarboxylique thiazoncarboxylique ou morpholincarboxylique
BE884306A (fr) Procede et appareil pour la production de fer en fussion a partir d'oxyde de fer.
BE885062A (fr) Procede de fabrication d'eponge de fer
RO78225A (fr) Procede pour la preparation des 3,4-dihydro-3-oxo-2-quinoxalines
RO66216A (fr) Procede pour la production d'energie
BE880902A (fr) Procede de preparation d'un catalyseur pour la production d'oxyde d'ethylene
FR2422692B1 (fr) Procede pour la production de copolymeres de l'ethylene
RO77179A (fr) Procede pour la preparation des chloramides d'acide 3,4-dihydro-2-methyle-4-oxo-2h-1,2-benzothiazin-o-carboxylique
BE831256A (fr) Procede pour la fabrication d'alkylacetophenones
FR2336350A1 (fr) Procede de preparation d'oxyde hydrate aciculaire de fer a-(iii)
BE881848A (fr) PROCEDE POUR LA PREPARATION D'UN PIGMENT DE FeOOH
FR2467842B1 (fr) Procede pour la production d'iminodiacetonitrile
BE871961A (fr) Procede ameliore pour la production d'alkylene-glycols
BE882508A (fr) Procede perfectionne pour la production de 3-0-demethyl-fortimicines
RO85236A (fr) Procede pour l'utilisation regenerative des solutions pauvres
FR2346284A1 (fr) Procede pour la production d'hydrogene
FR2352879A1 (fr) Procede pour la production d'
RO74964A (fr) Procede pour la preparation de l'oxyde d'ethylene
FR2322098A1 (fr) Procede pour ameliorer la recuperation d'oxyde de zinc pur

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: BAYER A.G.

Effective date: 19890731