JPS6478418A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6478418A JPS6478418A JP62235695A JP23569587A JPS6478418A JP S6478418 A JPS6478418 A JP S6478418A JP 62235695 A JP62235695 A JP 62235695A JP 23569587 A JP23569587 A JP 23569587A JP S6478418 A JPS6478418 A JP S6478418A
- Authority
- JP
- Japan
- Prior art keywords
- contg
- polycondensation
- dispersing
- layer formed
- formula
- 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
- Polyesters Or Polycarbonates (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
Abstract
PURPOSE:To provide a title medium which has good electromagnetic conversion characteristics and hardly causes head clogging by providing a magnetic layer formed by dispersing and binding magnetic powder into a binder contg. a polyes ter resin obtd. by polycondensation of polyhydric alcohol contg. specific diol and polybasic acid and a multifunctional isocyanate compd. on a nonmagnetic base. CONSTITUTION:The magnetic layer formed by dispersing and binding the magnetic powder into the binder contg. the polyester resin obtd. by polycondensation of the polyhydric alcohol contg. the diol expressed by the formula I and the polybasic acid and the multifunctional isocyanate compd. is provided on the nonmagnetic base. In the formula I, R, R' are an alkylene group; X is a hydrogen atom, metal atom or ammonium. The electromagnetic conversion characteristics are thereby improved and the head clogging is hardly generated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235695A JPS6478418A (en) | 1987-09-19 | 1987-09-19 | Magnetic recording medium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235695A JPS6478418A (en) | 1987-09-19 | 1987-09-19 | Magnetic recording medium |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6478418A true JPS6478418A (en) | 1989-03-23 |
Family
ID=16989851
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62235695A Pending JPS6478418A (en) | 1987-09-19 | 1987-09-19 | Magnetic recording medium |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6478418A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008115244A (en) * | 2006-11-02 | 2008-05-22 | Toyobo Co Ltd | Method for producing copolyester |
-
1987
- 1987-09-19 JP JP62235695A patent/JPS6478418A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008115244A (en) * | 2006-11-02 | 2008-05-22 | Toyobo Co Ltd | Method for producing copolyester |
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