JPH036569B2 - - Google Patents

Info

Publication number
JPH036569B2
JPH036569B2 JP56094015A JP9401581A JPH036569B2 JP H036569 B2 JPH036569 B2 JP H036569B2 JP 56094015 A JP56094015 A JP 56094015A JP 9401581 A JP9401581 A JP 9401581A JP H036569 B2 JPH036569 B2 JP H036569B2
Authority
JP
Japan
Prior art keywords
molecular weight
polymerization
degree
magnetic
vinyl chloride
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.)
Expired - Lifetime
Application number
JP56094015A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57208633A (en
Inventor
Hitoshi Azegami
Hiroshi Kawahara
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP9401581A priority Critical patent/JPS57208633A/ja
Publication of JPS57208633A publication Critical patent/JPS57208633A/ja
Publication of JPH036569B2 publication Critical patent/JPH036569B2/ja
Granted 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

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
JP9401581A 1981-06-19 1981-06-19 Magnetic recording medium Granted JPS57208633A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9401581A JPS57208633A (en) 1981-06-19 1981-06-19 Magnetic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9401581A JPS57208633A (en) 1981-06-19 1981-06-19 Magnetic recording medium

Publications (2)

Publication Number Publication Date
JPS57208633A JPS57208633A (en) 1982-12-21
JPH036569B2 true JPH036569B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-30

Family

ID=14098664

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9401581A Granted JPS57208633A (en) 1981-06-19 1981-06-19 Magnetic recording medium

Country Status (1)

Country Link
JP (1) JPS57208633A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59186121A (ja) * 1983-04-07 1984-10-22 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6055511A (ja) * 1983-09-06 1985-03-30 Toshiba Corp 磁気記録媒体
JPS6057526A (ja) * 1983-09-08 1985-04-03 Fuji Photo Film Co Ltd 磁気記録媒体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5640415B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-28 1981-09-21
JPS50159709A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1974-06-14 1975-12-24
JPS5840252B2 (ja) * 1975-10-28 1983-09-05 富士写真フイルム株式会社 ジキシ−ト
JPS54151409A (en) * 1978-05-20 1979-11-28 Hitachi Maxell Magnetic recording medium
JPS54151412A (en) * 1978-05-20 1979-11-28 Hitachi Maxell Magnetic recording medium

Also Published As

Publication number Publication date
JPS57208633A (en) 1982-12-21

Similar Documents

Publication Publication Date Title
US4352859A (en) Magnetic recording medium
JPH036575B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0775066B2 (ja) 磁気記録媒体
JPS61214127A (ja) 磁気記録媒体
US4460653A (en) Magnetic recording medium
JPH036569B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
US4515856A (en) Magnetic recording media comprising titanium monoxide and carbon black powders in a magnetic recording layer
US4554606A (en) Magnetic recording medium
JPS63317926A (ja) 塗布型磁性媒体
JPH0743824B2 (ja) 磁気記録媒体およびその製造方法
JPH0480449B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP2903614B2 (ja) 磁気記録用強磁性金属粒子
US5449527A (en) Method of producing magnetic recording medium
JPS59129933A (ja) 磁気記録媒体
JPS6240765B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6098520A (ja) 磁気記録媒体
JP2901146B2 (ja) 磁気記録媒体
US4728563A (en) Magnetic recording medium
US4391877A (en) Magnetic recording medium
JPH0619822B2 (ja) 磁気記録媒体
JPS5841435A (ja) 磁気記録媒体
JP2843159B2 (ja) 磁気ディスク
JPS5841436A (ja) 磁気記録媒体
JPH0261821A (ja) 磁気記録媒体
JPH01241019A (ja) 磁気記録媒体