JPS5687233A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5687233A
JPS5687233A JP16297879A JP16297879A JPS5687233A JP S5687233 A JPS5687233 A JP S5687233A JP 16297879 A JP16297879 A JP 16297879A JP 16297879 A JP16297879 A JP 16297879A JP S5687233 A JPS5687233 A JP S5687233A
Authority
JP
Japan
Prior art keywords
polyester resin
base
sulfonate group
magnetic layer
layer
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
Application number
JP16297879A
Other languages
Japanese (ja)
Inventor
Masayoshi Kawarai
Seiji Wataya
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.)
Maxell Ltd
Original Assignee
Hitachi Maxell Ltd
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 Hitachi Maxell Ltd filed Critical Hitachi Maxell Ltd
Priority to JP16297879A priority Critical patent/JPS5687233A/en
Publication of JPS5687233A publication Critical patent/JPS5687233A/en
Pending legal-status Critical Current

Links

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

PURPOSE: To improve magnetic characteristics while increasing the strength of adhesion to the base of magnetic layer, by forming, on the base, a copolymerized polyester resin layer containing a metallic sulfonate group, as a substratum and by providing a magnetic layer onto this layer.
CONSTITUTION: On a base, a substratum consisted of copolymerized polyester resin containing a metallic sulfonate group obtained by copolymerizing a component, containing the metallic sulfonate group such as 5-sodium sulfoisophthalate, 5- potassium sulfoisophthalate, 2-sodium sulfoterephtalate, and 2-potassium sulfoterephtalate or the like into polyester resin, is formed in 0.05W0.3μm dry thickness and, a magnetic layer is provided onto it.
COPYRIGHT: (C)1981,JPO&Japio
JP16297879A 1979-12-14 1979-12-14 Magnetic recording medium Pending JPS5687233A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16297879A JPS5687233A (en) 1979-12-14 1979-12-14 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16297879A JPS5687233A (en) 1979-12-14 1979-12-14 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5687233A true JPS5687233A (en) 1981-07-15

Family

ID=15764887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16297879A Pending JPS5687233A (en) 1979-12-14 1979-12-14 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS5687233A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59174236A (en) * 1983-03-23 1984-10-02 Niizato Kiko Kk Method and device for carrying can
JPS60180839A (en) * 1982-11-02 1985-09-14 東レ株式会社 Polyester film
JPS6116021A (en) * 1984-06-29 1986-01-24 Toyobo Co Ltd Film for magnetic recording
JPS6122423A (en) * 1984-07-09 1986-01-31 Toyobo Co Ltd Magnetic recording medium

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60180839A (en) * 1982-11-02 1985-09-14 東レ株式会社 Polyester film
JPS59174236A (en) * 1983-03-23 1984-10-02 Niizato Kiko Kk Method and device for carrying can
JPS6116021A (en) * 1984-06-29 1986-01-24 Toyobo Co Ltd Film for magnetic recording
JPS6122423A (en) * 1984-07-09 1986-01-31 Toyobo Co Ltd Magnetic recording medium

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