JPS5662904A - Metal magnetic powder and its treatment - Google Patents
Metal magnetic powder and its treatmentInfo
- Publication number
- JPS5662904A JPS5662904A JP13741779A JP13741779A JPS5662904A JP S5662904 A JPS5662904 A JP S5662904A JP 13741779 A JP13741779 A JP 13741779A JP 13741779 A JP13741779 A JP 13741779A JP S5662904 A JPS5662904 A JP S5662904A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- metal magnetic
- polyoxyalkylene
- carboxylic acid
- amine salt
- 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.)
- Pending
Links
- 239000006247 magnetic powder Substances 0.000 title abstract 6
- 239000002184 metal Substances 0.000 title abstract 5
- -1 amine salt Chemical class 0.000 abstract 3
- 150000001732 carboxylic acid derivatives Chemical class 0.000 abstract 3
- 230000003647 oxidation Effects 0.000 abstract 2
- 238000007254 oxidation reaction Methods 0.000 abstract 2
- 239000003973 paint Substances 0.000 abstract 2
- 238000000151 deposition Methods 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Landscapes
- Powder Metallurgy (AREA)
- Hard Magnetic Materials (AREA)
Abstract
PURPOSE: To improve oxidation resistance as well as dispersibility to magnetic paint by depositing amine salt of carboxylic acid contg. polyoxyalkylene on the surfaces of metal magnetic powder.
CONSTITUTION: Metal magnetic powder is added into an organic solvent contg. amine salt of carboxylic acid contg. polyoxyalkylene and these are mixed under stirring. Thence, this magnetic powder is filtered and dried to allow the amine salt of the carboxylic acid contg. polyoxyalkylene on the surfaces of the metal magnetic powder. These make it possible to improve the oxidation resistance of the metal magnetic powder as well as its dispersibility and filling characteristic to magnetic paint.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13741779A JPS5662904A (en) | 1979-10-23 | 1979-10-23 | Metal magnetic powder and its treatment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13741779A JPS5662904A (en) | 1979-10-23 | 1979-10-23 | Metal magnetic powder and its treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5662904A true JPS5662904A (en) | 1981-05-29 |
Family
ID=15198135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13741779A Pending JPS5662904A (en) | 1979-10-23 | 1979-10-23 | Metal magnetic powder and its treatment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5662904A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62150529A (en) * | 1985-12-25 | 1987-07-04 | Toho Chem Ind Co Ltd | Magnetic metallic powder for magnetic recording and its production |
US5091269A (en) * | 1989-12-14 | 1992-02-25 | Sony Corporation | Magnetic recording medium lubricant consisting of an amine salt of carboxylic acid, an amine salt of perfluoroalkyl carboxylic acid or an fluoro amine salt of perfluoro carboxylic acid |
JP2009001907A (en) * | 1996-03-12 | 2009-01-08 | Berhan Tecle | Method for isolating ultrafine and fine particles and resulting particles |
-
1979
- 1979-10-23 JP JP13741779A patent/JPS5662904A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62150529A (en) * | 1985-12-25 | 1987-07-04 | Toho Chem Ind Co Ltd | Magnetic metallic powder for magnetic recording and its production |
US5091269A (en) * | 1989-12-14 | 1992-02-25 | Sony Corporation | Magnetic recording medium lubricant consisting of an amine salt of carboxylic acid, an amine salt of perfluoroalkyl carboxylic acid or an fluoro amine salt of perfluoro carboxylic acid |
JP2009001907A (en) * | 1996-03-12 | 2009-01-08 | Berhan Tecle | Method for isolating ultrafine and fine particles and resulting particles |
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