JPS5468206A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5468206A
JPS5468206A JP13509277A JP13509277A JPS5468206A JP S5468206 A JPS5468206 A JP S5468206A JP 13509277 A JP13509277 A JP 13509277A JP 13509277 A JP13509277 A JP 13509277A JP S5468206 A JPS5468206 A JP S5468206A
Authority
JP
Japan
Prior art keywords
magnetic
crosslinkable functional
component
magnetic tape
polyisocyanate
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
JP13509277A
Other languages
English (en)
Inventor
Tsumoru Ohata
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP13509277A priority Critical patent/JPS5468206A/ja
Priority to NL7811153A priority patent/NL7811153A/xx
Priority to DE19782848919 priority patent/DE2848919A1/de
Publication of JPS5468206A publication Critical patent/JPS5468206A/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
    • G11B5/7022—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 containing mixtures of polyurethanes or polyisocyanates with other polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/67—Unsaturated compounds having active hydrogen
    • C08G18/69—Polymers of conjugated dienes
    • 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

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP13509277A 1977-11-10 1977-11-10 Magnetic recording medium Pending JPS5468206A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP13509277A JPS5468206A (en) 1977-11-10 1977-11-10 Magnetic recording medium
NL7811153A NL7811153A (nl) 1977-11-10 1978-11-10 Magnetisch registratiemedium.
DE19782848919 DE2848919A1 (de) 1977-11-10 1978-11-10 Magnetische speichermedien

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509277A JPS5468206A (en) 1977-11-10 1977-11-10 Magnetic recording medium

Publications (1)

Publication Number Publication Date
JPS5468206A true JPS5468206A (en) 1979-06-01

Family

ID=15143641

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13509277A Pending JPS5468206A (en) 1977-11-10 1977-11-10 Magnetic recording medium

Country Status (3)

Country Link
JP (1) JPS5468206A (ja)
DE (1) DE2848919A1 (ja)
NL (1) NL7811153A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158016A (en) * 1981-03-20 1982-09-29 Hitachi Maxell Ltd Magnetic recording medium

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56122802A (en) * 1980-03-03 1981-09-26 Toyo Ink Mfg Co Ltd Radiation-curable resin composition
US4546035A (en) * 1983-06-27 1985-10-08 International Business Machines Corporation Polymeric additives for magnetic coating materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158016A (en) * 1981-03-20 1982-09-29 Hitachi Maxell Ltd Magnetic recording medium
JPH0370286B2 (ja) * 1981-03-20 1991-11-07 Hitachi Maxell

Also Published As

Publication number Publication date
NL7811153A (nl) 1979-05-14
DE2848919A1 (de) 1979-05-17

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