JPS6427207A - Magnetic fluid composition - Google Patents
Magnetic fluid compositionInfo
- Publication number
- JPS6427207A JPS6427207A JP63037029A JP3702988A JPS6427207A JP S6427207 A JPS6427207 A JP S6427207A JP 63037029 A JP63037029 A JP 63037029A JP 3702988 A JP3702988 A JP 3702988A JP S6427207 A JPS6427207 A JP S6427207A
- Authority
- JP
- Japan
- Prior art keywords
- dispersant
- oil
- magnetic fluid
- alkylnaphthalene
- alkylpolyphenylether
- 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.)
- Granted
Links
- 239000011553 magnetic fluid Substances 0.000 title abstract 4
- 239000000203 mixture Substances 0.000 title abstract 4
- 239000002270 dispersing agent Substances 0.000 abstract 8
- 125000001165 hydrophobic group Chemical group 0.000 abstract 3
- 239000004094 surface-active agent Substances 0.000 abstract 2
- 230000005294 ferromagnetic effect Effects 0.000 abstract 1
- 239000010419 fine particle Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Lubricants (AREA)
- Soft Magnetic Materials (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63037029A JPH0727813B2 (ja) | 1987-03-03 | 1988-02-19 | 磁性流体組成物 |
DE3806657A DE3806657A1 (de) | 1987-03-03 | 1988-03-02 | Ferrofluid-zusammensetzungen |
US07/515,353 US5085789A (en) | 1987-03-03 | 1990-04-30 | Ferrofluid compositions |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4806487 | 1987-03-03 | ||
JP62-48064 | 1987-03-03 | ||
JP63037029A JPH0727813B2 (ja) | 1987-03-03 | 1988-02-19 | 磁性流体組成物 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6427207A true JPS6427207A (en) | 1989-01-30 |
JPH0727813B2 JPH0727813B2 (ja) | 1995-03-29 |
Family
ID=26376129
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63037029A Expired - Lifetime JPH0727813B2 (ja) | 1987-03-03 | 1988-02-19 | 磁性流体組成物 |
Country Status (3)
Country | Link |
---|---|
US (1) | US5085789A (ja) |
JP (1) | JPH0727813B2 (ja) |
DE (1) | DE3806657A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3275412B2 (ja) * | 1993-01-20 | 2002-04-15 | 日本精工株式会社 | 磁性流体組成物及び磁性流体シール装置 |
US6613721B1 (en) * | 1993-12-29 | 2003-09-02 | The Timken Company | Colloidal suspensions for use as a lubricant or additive |
DE69526287T2 (de) * | 1994-01-27 | 2002-10-31 | Loctite (Ireland) Ltd., Dublin | Zusammenstellungen und methoden zur anordnung anisotropisch leitender bahnen und verbindungen zwischen zwei sätzen von leitern |
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 |
US5843579A (en) * | 1996-06-27 | 1998-12-01 | Ncr Corporation | Magnetic thermal transfer ribbon with aqueous ferrofluids |
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 |
ATE309556T1 (de) | 1996-08-01 | 2005-11-15 | Loctite Ireland Ltd | Verfahren zur erzeugung einer monoschicht von teilchen und damit hergestellte produkte |
US5916641A (en) * | 1996-08-01 | 1999-06-29 | Loctite (Ireland) Limited | Method of forming a monolayer of particles |
US6402876B1 (en) | 1997-08-01 | 2002-06-11 | Loctite (R&D) Ireland | Method of forming a monolayer of particles, and products formed thereby |
US6743764B1 (en) | 1999-07-30 | 2004-06-01 | Dow Global Technologies Inc. | Low viscosity alkyl diphenyl oxide sulfonic acid blends |
US6768230B2 (en) | 2002-02-19 | 2004-07-27 | Rockwell Scientific Licensing, Llc | Multiple magnet transducer |
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 |
US20060142630A1 (en) * | 2004-12-29 | 2006-06-29 | Attila Meretei | Systems and methods for treating a thrombus in a blood vessel |
CN106601420B (zh) * | 2017-01-18 | 2018-11-02 | 北京交通大学 | 一种聚苯基醚基磁性液体 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4013569A (en) * | 1975-03-26 | 1977-03-22 | Shell Oil Company | Aqueous anionic surfactant systems containing aromatic ether polysulfonates |
US4753754B1 (en) * | 1977-12-09 | 1997-05-13 | Albright & Wilson | Concentrated aqueous surfactant compositions |
US4315827A (en) * | 1979-11-08 | 1982-02-16 | Ferrofluidics Corporation | Low-vapor-pressure ferrofluids and method of making same |
JPS60162704A (ja) * | 1984-02-01 | 1985-08-24 | Natl Res Inst For Metals | 磁性流体の製造法 |
US4701276A (en) * | 1986-10-31 | 1987-10-20 | Hitachi Metals, Ltd. | Super paramagnetic fluids and methods of making super paramagnetic fluids |
-
1988
- 1988-02-19 JP JP63037029A patent/JPH0727813B2/ja not_active Expired - Lifetime
- 1988-03-02 DE DE3806657A patent/DE3806657A1/de active Granted
-
1990
- 1990-04-30 US US07/515,353 patent/US5085789A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0727813B2 (ja) | 1995-03-29 |
US5085789A (en) | 1992-02-04 |
DE3806657C2 (ja) | 1990-12-13 |
DE3806657A1 (de) | 1988-09-29 |
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