DE68905631D1 - Superparamagnetische fluessigkeit. - Google Patents

Superparamagnetische fluessigkeit.

Info

Publication number
DE68905631D1
DE68905631D1 DE8989850019T DE68905631T DE68905631D1 DE 68905631 D1 DE68905631 D1 DE 68905631D1 DE 8989850019 T DE8989850019 T DE 8989850019T DE 68905631 T DE68905631 T DE 68905631T DE 68905631 D1 DE68905631 D1 DE 68905631D1
Authority
DE
Germany
Prior art keywords
super
paramagnetic liquid
paramagnetic
liquid
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
DE8989850019T
Other languages
English (en)
Other versions
DE68905631T2 (de
Inventor
Goeran Lindsten
John Wyman
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.)
SKF Nova AB
Original Assignee
SKF Nova AB
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 SKF Nova AB filed Critical SKF Nova AB
Publication of DE68905631D1 publication Critical patent/DE68905631D1/de
Application granted granted Critical
Publication of DE68905631T2 publication Critical patent/DE68905631T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • 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
    • H01F1/44—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids
    • H01F1/442—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of magnetic liquids, e.g. ferrofluids the magnetic component being a metal or alloy, e.g. Fe

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Soft Magnetic Materials (AREA)
  • Lubricants (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Colloid Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
DE8989850019T 1988-02-08 1989-01-24 Superparamagnetische fluessigkeit. Expired - Fee Related DE68905631T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8800394A SE8800394L (sv) 1988-02-08 1988-02-08 Superparamagnetiska vaetskor

Publications (2)

Publication Number Publication Date
DE68905631D1 true DE68905631D1 (de) 1993-05-06
DE68905631T2 DE68905631T2 (de) 1993-07-15

Family

ID=20371290

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989850019T Expired - Fee Related DE68905631T2 (de) 1988-02-08 1989-01-24 Superparamagnetische fluessigkeit.

Country Status (5)

Country Link
US (1) US4938886A (de)
EP (1) EP0328497B1 (de)
JP (1) JPH01243501A (de)
DE (1) DE68905631T2 (de)
SE (1) SE8800394L (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580344B2 (ja) * 1989-10-25 1997-02-12 日本精工株式会社 磁性流体組成物とその製造方法及び磁性流体シ―ル装置
ATE191372T1 (de) * 1993-07-23 2000-04-15 Enretec Polychemie Entsorgungs Verfahren und vorrichtung zur trennung von nichtmagnetischen materialien und gegenständen unter verwendung magnetischer flüssigkeiten
DE4325386C2 (de) * 1993-07-23 1997-07-10 Polychemie Velten Gmbh pH-neutrale magnetische Flüssigkeit auf Basis einer wäßrigen Trägerflüssigkeit, Verfahren zu ihrer Herstellung sowie Verwendung
DE4327826C2 (de) * 1993-08-16 1995-06-08 Ikosta Gmbh Inst Fuer Korrosio Magnetische Flüssigkeit
CA2158941A1 (en) * 1994-01-27 1995-08-03 Ciaran Bernard Mcardle Compositions and methods for providing anisotropic conductive pathways and bonds between two sets of conductors
US5656196A (en) * 1994-12-15 1997-08-12 Ferrotec Corporation Ferrofluid having improved oxidation resistance
DE19506113A1 (de) * 1995-02-22 1996-08-29 Max Planck Gesellschaft Kolloidale Metallzubereitung und Verfahren zu ihrer Herstellung
US5851644A (en) * 1995-08-01 1998-12-22 Loctite (Ireland) Limited Films and coatings having anisotropic conductive pathways therein
US5676877A (en) * 1996-03-26 1997-10-14 Ferrotec Corporation Process for producing a magnetic fluid and composition therefor
US5730893A (en) * 1996-04-19 1998-03-24 Ferrotec Corporation Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants
US5906767A (en) * 1996-06-13 1999-05-25 Lord Corporation Magnetorheological fluid
US6977025B2 (en) * 1996-08-01 2005-12-20 Loctite (R&D) Limited Method of forming a monolayer of particles having at least two different sizes, and products formed thereby
JP3878677B2 (ja) 1996-08-01 2007-02-07 ロックタイト（アイルランド）リミテッド 粒子の単一層を形成させる方法及びそれにより形成される生成物
US6402876B1 (en) 1997-08-01 2002-06-11 Loctite (R&D) Ireland Method of forming a monolayer of particles, and products formed thereby
US5916641A (en) * 1996-08-01 1999-06-29 Loctite (Ireland) Limited Method of forming a monolayer of particles
NL1003887C2 (nl) * 1996-08-27 1998-03-03 Nedap Nv Warmtepomp zonder bewegende mechanische delen.
US5863455A (en) * 1997-07-14 1999-01-26 Abb Power T&D Company Inc. Colloidal insulating and cooling fluid
US6812598B2 (en) * 2002-02-19 2004-11-02 Rockwell Scientific Licensing, Llc Multiple magnet transducer with differential magnetic strengths
US7288860B2 (en) * 2002-02-19 2007-10-30 Teledyne Licensing, Inc. Magnetic transducer with ferrofluid end bearings
US6812583B2 (en) * 2002-02-19 2004-11-02 Rockwell Scientific Licensing, Llc Electrical generator with ferrofluid bearings
US6768230B2 (en) 2002-02-19 2004-07-27 Rockwell Scientific Licensing, Llc Multiple magnet transducer
US7063802B2 (en) * 2003-03-28 2006-06-20 Ferrotec Corporation Composition and method of making an element-modified ferrofluid
CA2662795A1 (en) * 2006-09-05 2008-03-13 Columbus Nanoworks, Inc. Magnetic particles and methods of making and using the same
KR100882735B1 (ko) * 2007-03-19 2009-02-06 도레이새한 주식회사 이방성 전도필름 및 이의 접착방법
CA2684964C (en) * 2007-04-25 2017-05-16 Universite Laval Magnetically deformable ferrofluids and mirrors
WO2009080648A1 (de) * 2007-12-20 2009-07-02 Proionic Production Of Ionic Substances Gmbh & Co Kg Anwendung magnetischer, ionischer flüssigkeiten als extraktionsmittel
KR101156545B1 (ko) * 2010-12-24 2012-06-20 삼성에스디아이 주식회사 염료 감응 태양전지의 광전극, 태양전지 및 염료 감응 태양전지 광전극 제조방법
DE102013101701A1 (de) * 2013-02-20 2014-08-21 Sasol Olefins & Surfactants Gmbh Fließfähige Dispersion enthaltend partikuläre Metalloxide, Metalloxidhydrate und/oder Metallhydroxide, ein Dispergiermittel und ein organisches Dispersionsmedium
US10011699B2 (en) 2014-08-29 2018-07-03 3M Innovative Properties Company Inductively curable composition

Family Cites Families (27)

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US3215572A (en) * 1963-10-09 1965-11-02 Papell Solomon Stephen Low viscosity magnetic fluid obtained by the colloidal suspension of magnetic particles
US3387993A (en) * 1964-10-16 1968-06-11 Ampex Magnetic tape with a lubricant containing mineral oil and fatty acid amide in the magnetic coating
US3531413A (en) * 1967-09-22 1970-09-29 Avco Corp Method of substituting one ferrofluid solvent for another
US3700595A (en) * 1970-06-15 1972-10-24 Avco Corp Ferrofluid composition
US3764540A (en) * 1971-05-28 1973-10-09 Us Interior Magnetofluids and their manufacture
US3843540A (en) * 1972-07-26 1974-10-22 Us Interior Production of magnetic fluids by peptization techniques
US3917538A (en) * 1973-01-17 1975-11-04 Ferrofluidics Corp Ferrofluid compositions and process of making same
US4094804A (en) * 1974-08-19 1978-06-13 Junzo Shimoiizaka Method for preparing a water base magnetic fluid and product
JPS604565B2 (ja) * 1974-11-21 1985-02-05 富士写真フイルム株式会社 耐食性強磁性金属粉末
US4025448A (en) * 1975-12-29 1977-05-24 Union Carbide Corporation Superparamagnetic wax compositions useful in magnetic levitation separations
JPS5538672A (en) * 1978-09-11 1980-03-18 Fuji Photo Film Co Ltd Magnetic recording medium
US4208294A (en) * 1979-02-12 1980-06-17 The United States Of America, As Represented By The Secretary Of The Interior Dilution stable water based magnetic fluids
JPS55117739A (en) * 1979-03-03 1980-09-10 Hitachi Maxell Ltd Magnetic recording medium
US4285801A (en) * 1979-09-20 1981-08-25 Xerox Corporation Electrophoretic display composition
US4315827A (en) * 1979-11-08 1982-02-16 Ferrofluidics Corporation Low-vapor-pressure ferrofluids and method of making same
US4430239A (en) * 1981-10-21 1984-02-07 Ferrofluidics Corporation Ferrofluid composition and method of making and using same
US4485024A (en) * 1982-04-07 1984-11-27 Nippon Seiko Kabushiki Kaisha Process for producing a ferrofluid, and a composition thereof
JPS5924438A (ja) * 1982-08-02 1984-02-08 Fuji Photo Film Co Ltd 磁気記録媒体
US4533485A (en) * 1983-06-20 1985-08-06 Olin Corporation Anionic surfactant addition products of maleic or fumaric acid and a poly(oxyalkylated) alcohol
CA1279874C (en) * 1983-10-28 1991-02-05 Chevron Research And Technology Company Stable emulsifier and substituted succinic anhydride compositions therewith
US4608186A (en) * 1984-07-30 1986-08-26 Tdk Corporation Magnetic fluid
US4626370A (en) * 1984-09-17 1986-12-02 Tdk Corporation Magnetic fluid
US4604229A (en) * 1985-03-20 1986-08-05 Ferrofluidics Corporation Electrically conductive ferrofluid compositions and method of preparing and using same
US4604222A (en) * 1985-05-21 1986-08-05 Ferrofluidics Corporation Stable ferrofluid composition and method of making and using same
US4701276A (en) * 1986-10-31 1987-10-20 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
US4741850A (en) * 1986-10-31 1988-05-03 Hitachi Metals, Ltd. Super paramagnetic fluids and methods of making super paramagnetic fluids
JPH0766886B2 (ja) * 1986-11-11 1995-07-19 日本精工株式会社 導電性磁性流体組成物

Also Published As

Publication number Publication date
SE8800394D0 (sv) 1988-02-08
EP0328497B1 (de) 1993-03-31
JPH01243501A (ja) 1989-09-28
DE68905631T2 (de) 1993-07-15
US4938886A (en) 1990-07-03
EP0328497A1 (de) 1989-08-16
SE8800394L (sv) 1989-08-09

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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