JPS5573928A - Magnetic recording medium - Google Patents

Magnetic recording medium

Info

Publication number
JPS5573928A
JPS5573928A JP14709778A JP14709778A JPS5573928A JP S5573928 A JPS5573928 A JP S5573928A JP 14709778 A JP14709778 A JP 14709778A JP 14709778 A JP14709778 A JP 14709778A JP S5573928 A JPS5573928 A JP S5573928A
Authority
JP
Japan
Prior art keywords
sorbitan
stearate
wear
hydrophilic radical
isocyanate
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.)
Granted
Application number
JP14709778A
Other languages
English (en)
Other versions
JPS585457B2 (ja
Inventor
Eiji Horigome
Hiroshi Ota
Hitoshi Azegami
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 JP53147097A priority Critical patent/JPS585457B2/ja
Priority to US06/098,242 priority patent/US4289828A/en
Priority to GB7941170A priority patent/GB2039281B/en
Priority to DE2948140A priority patent/DE2948140C2/de
Priority to NLAANVRAGE7908707,A priority patent/NL184983C/xx
Publication of JPS5573928A publication Critical patent/JPS5573928A/ja
Publication of JPS585457B2 publication Critical patent/JPS585457B2/ja
Expired 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
    • G11B5/7013—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 dispersing agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31565—Next to polyester [polyethylene terephthalate, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31609—Particulate metal or metal compound-containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]
    • Y10T428/31794—Of cross-linked polyester
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer
JP53147097A 1978-11-30 1978-11-30 磁気記録媒体 Expired JPS585457B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP53147097A JPS585457B2 (ja) 1978-11-30 1978-11-30 磁気記録媒体
US06/098,242 US4289828A (en) 1978-11-30 1979-11-28 Magnetic recording medium and process
GB7941170A GB2039281B (en) 1978-11-30 1979-11-29 Magnetic recording medium
DE2948140A DE2948140C2 (de) 1978-11-30 1979-11-29 Magnetischer Aufzeichnungsträger und Verfahren zur Herstellung eines solchen magnetischen Aufzeichnungsträgers
NLAANVRAGE7908707,A NL184983C (nl) 1978-11-30 1979-11-30 Magnetisch registratiemedium.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53147097A JPS585457B2 (ja) 1978-11-30 1978-11-30 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5573928A true JPS5573928A (en) 1980-06-04
JPS585457B2 JPS585457B2 (ja) 1983-01-31

Family

ID=15422411

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53147097A Expired JPS585457B2 (ja) 1978-11-30 1978-11-30 磁気記録媒体

Country Status (5)

Country Link
US (1) US4289828A (ja)
JP (1) JPS585457B2 (ja)
DE (1) DE2948140C2 (ja)
GB (1) GB2039281B (ja)
NL (1) NL184983C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158017A (en) * 1981-03-20 1982-09-29 Hitachi Maxell Ltd Magnetic recording medium

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5923008B2 (ja) * 1979-06-23 1984-05-30 ティーディーケイ株式会社 磁気記録媒体
JPS5925283B2 (ja) * 1979-08-29 1984-06-16 ティーディーケイ株式会社 磁気記録媒体
JPS57133521A (en) * 1981-02-10 1982-08-18 Fuji Photo Film Co Ltd Magnetic recording medium
JPS57158027A (en) * 1981-03-23 1982-09-29 Tdk Corp High density magnetic recording medium
JPS57164427A (en) * 1981-04-01 1982-10-09 Tdk Corp Magnetic recording medium
JPS57179944A (en) * 1981-04-27 1982-11-05 Tdk Corp Magnetic recording medium
JPS598137A (ja) * 1982-07-06 1984-01-17 Fuji Photo Film Co Ltd 磁気記録媒体
US4471009A (en) * 1983-04-15 1984-09-11 Dysan Corporation Thermosetting film-forming recording layer composition and method therefor
JPS60103518A (ja) * 1983-11-09 1985-06-07 Tdk Corp 磁気記録媒体及びその製造方法
DE3347532A1 (de) * 1983-12-30 1985-07-11 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
DE3347531A1 (de) * 1983-12-30 1985-07-11 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
US5925698A (en) * 1997-03-14 1999-07-20 The Lubrizol Corporation Powder coating composition and method for coating a substrate using said powder coating composition
AU3390799A (en) 1998-06-24 2000-01-13 Lubrizol Corporation, The Powder coating additive, powder coating composition containing said additive and method for coating a substrate using said powder coating composition

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1058426A (en) * 1964-08-24 1967-02-08 Agfa Gevaert Nv Process for the manufacture of magnetizable recording layers
NL7704183A (nl) * 1977-04-18 1978-10-20 Philips Nv Magnetisch registreermedium waarin als disper- geermiddel een n-acylsarcosine derivaat wordt toegepast.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57158017A (en) * 1981-03-20 1982-09-29 Hitachi Maxell Ltd Magnetic recording medium
JPS6126132B2 (ja) * 1981-03-20 1986-06-19 Hitachi Maxell

Also Published As

Publication number Publication date
DE2948140A1 (de) 1980-06-12
NL7908707A (nl) 1980-06-03
GB2039281B (en) 1982-11-17
GB2039281A (en) 1980-08-06
DE2948140C2 (de) 1984-02-23
NL184983C (nl) 1989-12-18
NL184983B (nl) 1989-07-17
US4289828A (en) 1981-09-15
JPS585457B2 (ja) 1983-01-31

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