JPS5661036A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS5661036A JPS5661036A JP13735379A JP13735379A JPS5661036A JP S5661036 A JPS5661036 A JP S5661036A JP 13735379 A JP13735379 A JP 13735379A JP 13735379 A JP13735379 A JP 13735379A JP S5661036 A JPS5661036 A JP S5661036A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- recording medium
- powder
- mixture
- magnetic recording
- 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
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE: To obtain a magnetic recording medium having a magnetic substance layer excellent in the dispersion of magnetic powder and in the durability, by containing chromic peroxide powder in the magnetic substance using a mixture of cellulosic resin and polyurethane resin as a binder.
CONSTITUTION: To an organic solvent solution dissolving a binder consisting of a mixture of 10:90W70:30 (weight ratio) of cellulosic resin and polyurethane resin, magnetic powder and 0.2W10wt% of Cr2O3 powder (0.3W2μm in particle diameter) to it are added and mixed to form a magnetic paint, and the mixture is coated and dried on a substrate to form a magnetic recording medium. Further, about 5W 25pts.wt. of trifunctional low-molecular weight isocyanate can further be blended per 100pts.wt. of the binder, to form the magnetic paint.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13735379A JPS5661036A (en) | 1979-10-24 | 1979-10-24 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13735379A JPS5661036A (en) | 1979-10-24 | 1979-10-24 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5661036A true JPS5661036A (en) | 1981-05-26 |
Family
ID=15196662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13735379A Pending JPS5661036A (en) | 1979-10-24 | 1979-10-24 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5661036A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58115629A (en) * | 1981-12-28 | 1983-07-09 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPS60209925A (en) * | 1984-03-31 | 1985-10-22 | Toshiba Corp | Magnetic recording medium |
-
1979
- 1979-10-24 JP JP13735379A patent/JPS5661036A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58115629A (en) * | 1981-12-28 | 1983-07-09 | Fuji Photo Film Co Ltd | Magnetic recording medium |
JPH036571B2 (en) * | 1981-12-28 | 1991-01-30 | Fuji Photo Film Co Ltd | |
JPS60209925A (en) * | 1984-03-31 | 1985-10-22 | Toshiba Corp | Magnetic recording medium |
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