JPS57158024A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS57158024A
JPS57158024A JP4149181A JP4149181A JPS57158024A JP S57158024 A JPS57158024 A JP S57158024A JP 4149181 A JP4149181 A JP 4149181A JP 4149181 A JP4149181 A JP 4149181A JP S57158024 A JPS57158024 A JP S57158024A
Authority
JP
Japan
Prior art keywords
molecular weight
polyol
low molecular
polyurethane elastomer
isocyanate compound
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
JP4149181A
Other languages
English (en)
Inventor
Takezo Shimizu
Fumio Togawa
Haruo Ando
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 Holdings 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 JP4149181A priority Critical patent/JPS57158024A/ja
Publication of JPS57158024A publication Critical patent/JPS57158024A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62—Record carriers characterised by the selection of the material
    • G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
    • G11B5/702—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent
    • G11B5/7021—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the bonding agent containing a polyurethane or a polyisocyanate

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP4149181A 1981-03-20 1981-03-20 Magnetic recording medium Pending JPS57158024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4149181A JPS57158024A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4149181A JPS57158024A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS57158024A true JPS57158024A (en) 1982-09-29

Family

ID=12609815

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4149181A Pending JPS57158024A (en) 1981-03-20 1981-03-20 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57158024A (ja)

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