JPS61263202A - 磁性流体の製造法 - Google Patents

磁性流体の製造法

Info

Publication number
JPS61263202A
JPS61263202A JP60103697A JP10369785A JPS61263202A JP S61263202 A JPS61263202 A JP S61263202A JP 60103697 A JP60103697 A JP 60103697A JP 10369785 A JP10369785 A JP 10369785A JP S61263202 A JPS61263202 A JP S61263202A
Authority
JP
Japan
Prior art keywords
magnetic
perfluoroether
base oil
magnetic fluid
surfactant
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
Application number
JP60103697A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0476484B2 (de
Inventor
Takao Sugano
隆夫 菅野
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.)
Nok Corp
Original Assignee
Nok Corp
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 Nok Corp filed Critical Nok Corp
Priority to JP60103697A priority Critical patent/JPS61263202A/ja
Publication of JPS61263202A publication Critical patent/JPS61263202A/ja
Publication of JPH0476484B2 publication Critical patent/JPH0476484B2/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
    • 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
    • H01F1/445—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 compound, e.g. Fe3O4

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Lubricants (AREA)
  • Soft Magnetic Materials (AREA)
  • Sealing Material Composition (AREA)
JP60103697A 1985-05-17 1985-05-17 磁性流体の製造法 Granted JPS61263202A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60103697A JPS61263202A (ja) 1985-05-17 1985-05-17 磁性流体の製造法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60103697A JPS61263202A (ja) 1985-05-17 1985-05-17 磁性流体の製造法

Publications (2)

Publication Number Publication Date
JPS61263202A true JPS61263202A (ja) 1986-11-21
JPH0476484B2 JPH0476484B2 (de) 1992-12-03

Family

ID=14360961

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60103697A Granted JPS61263202A (ja) 1985-05-17 1985-05-17 磁性流体の製造法

Country Status (1)

Country Link
JP (1) JPS61263202A (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03139596A (ja) * 1989-10-25 1991-06-13 Nippon Seiko Kk 磁性流体組成物とその製造方法及び磁性流体シール装置
US5143637A (en) * 1990-02-20 1992-09-01 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
US6261471B1 (en) 1999-10-15 2001-07-17 Shiro Tsuda Composition and method of making a ferrofluid having an improved chemical stability
JP2005154759A (ja) * 2003-11-05 2005-06-16 Asahi Denka Kogyo Kk （ジチオ）リン酸エステル系潤滑油添加剤、ならびにこれを含有する潤滑油組成物およびグリース組成物
JPWO2022071524A1 (de) * 2020-09-30 2022-04-07
WO2024210085A1 (ja) * 2023-04-04 2024-10-10 株式会社ハーベス パーフルオロポリエーテル基含有ホスホネート化合物、表面処理剤、及び該表面処理剤で処理された物品

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03139596A (ja) * 1989-10-25 1991-06-13 Nippon Seiko Kk 磁性流体組成物とその製造方法及び磁性流体シール装置
US5124060A (en) * 1989-10-25 1992-06-23 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
US5143637A (en) * 1990-02-20 1992-09-01 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
US6261471B1 (en) 1999-10-15 2001-07-17 Shiro Tsuda Composition and method of making a ferrofluid having an improved chemical stability
JP2005154759A (ja) * 2003-11-05 2005-06-16 Asahi Denka Kogyo Kk （ジチオ）リン酸エステル系潤滑油添加剤、ならびにこれを含有する潤滑油組成物およびグリース組成物
JPWO2022071524A1 (de) * 2020-09-30 2022-04-07
WO2022071524A1 (ja) * 2020-09-30 2022-04-07 出光興産株式会社 複合体及び該複合体の製造方法
WO2024210085A1 (ja) * 2023-04-04 2024-10-10 株式会社ハーベス パーフルオロポリエーテル基含有ホスホネート化合物、表面処理剤、及び該表面処理剤で処理された物品
JP2024147937A (ja) * 2023-04-04 2024-10-17 株式会社ハーベス パーフルオロポリエーテル基含有ホスホネート化合物、表面処理剤、及び該表面処理剤で処理された物品

Also Published As

Publication number Publication date
JPH0476484B2 (de) 1992-12-03

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Legal Events

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