JPS6449116A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6449116A JPS6449116A JP20499087A JP20499087A JPS6449116A JP S6449116 A JPS6449116 A JP S6449116A JP 20499087 A JP20499087 A JP 20499087A JP 20499087 A JP20499087 A JP 20499087A JP S6449116 A JPS6449116 A JP S6449116A
- Authority
- JP
- Japan
- Prior art keywords
- copolymer
- vinyl chloride
- magnetic
- monomer
- binder
- 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 improve the dispersibility of magnetic powder and the surface characteristic of a magnetic layer and to improve durability, magnetic characteristics and electromagnetic conversion characteristics by forming the magnetic layer essentially consisting of ferromagnetic powder and a specific binder on a nonmagnetic base. CONSTITUTION:The magnetic layer essentially consisting of the ferromagnetic powder and the binder is formed on the nonmagnetic base and a vinyl chloride copolymer contg. ternary amine in the molecule is incorporated as the binder into the magnetic powder. The copolymer is expressed by (CH2CH)i(-Cl, side chain)-(X)j-(Y)k, where X is a monomer having a vinyl group copolymerizable with vinyl chloride; Y is a monomer having a vinyl group copolymerizable with vinyl chloride and ternary amine; (i), (j), (k) are the degrees of polymn. The degrees of polymn. (i, j, k) of said copolymer are preferably 100<=(i+j+k)<=1,000. The ratio at which the vinyl chloride component occupies in the copolymer is preferably 30-80mol.%. The ratio of the monomer Y is preferably 0.1-20%.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20499087A JPS6449116A (en) | 1987-08-20 | 1987-08-20 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20499087A JPS6449116A (en) | 1987-08-20 | 1987-08-20 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6449116A true JPS6449116A (en) | 1989-02-23 |
Family
ID=16499646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20499087A Pending JPS6449116A (en) | 1987-08-20 | 1987-08-20 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6449116A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6083219A (en) * | 1983-10-13 | 1985-05-11 | Sekisui Chem Co Ltd | Binder for magnetic recording body |
JPS626429A (en) * | 1985-07-02 | 1987-01-13 | Sony Corp | Magnetic recording medium |
JPS62107434A (en) * | 1985-11-01 | 1987-05-18 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
JPS62257619A (en) * | 1986-04-30 | 1987-11-10 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
JPS6396727A (en) * | 1986-10-09 | 1988-04-27 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
-
1987
- 1987-08-20 JP JP20499087A patent/JPS6449116A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6083219A (en) * | 1983-10-13 | 1985-05-11 | Sekisui Chem Co Ltd | Binder for magnetic recording body |
JPS626429A (en) * | 1985-07-02 | 1987-01-13 | Sony Corp | Magnetic recording medium |
JPS62107434A (en) * | 1985-11-01 | 1987-05-18 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
JPS62257619A (en) * | 1986-04-30 | 1987-11-10 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
JPS6396727A (en) * | 1986-10-09 | 1988-04-27 | Nisshin Kagaku Kogyo Kk | Magnetic recording medium |
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