DE3630955C2 - - Google Patents

Info

Publication number
DE3630955C2
DE3630955C2 DE3630955A DE3630955A DE3630955C2 DE 3630955 C2 DE3630955 C2 DE 3630955C2 DE 3630955 A DE3630955 A DE 3630955A DE 3630955 A DE3630955 A DE 3630955A DE 3630955 C2 DE3630955 C2 DE 3630955C2
Authority
DE
Germany
Prior art keywords
group
acid
magnetic recording
recording material
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
Application number
DE3630955A
Other languages
German (de)
English (en)
Other versions
DE3630955A1 (de
Inventor
Kotaro Hata
Eitaro Kawasaki Kanagawa Jp Nakamura
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.)
Zeon Corp
Original Assignee
Nippon Zeon Co 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
Priority claimed from JP7048586A external-priority patent/JPS62149027A/ja
Priority claimed from JP7048786A external-priority patent/JPS62208419A/ja
Priority claimed from JP7048686A external-priority patent/JPS62175928A/ja
Application filed by Nippon Zeon Co Ltd filed Critical Nippon Zeon Co Ltd
Publication of DE3630955A1 publication Critical patent/DE3630955A1/de
Application granted granted Critical
Publication of DE3630955C2 publication Critical patent/DE3630955C2/de
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/7013Record 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/62Record carriers characterised by the selection of the material
    • G11B5/68Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
    • G11B5/70Record 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
    • G11B5/702Record 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
    • G11B5/7023Record 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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00Stock material or miscellaneous articles
    • Y10S428/90Magnetic feature
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31511Of epoxy ether
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31855Of addition polymer from unsaturated monomers
    • Y10T428/31935Ester, halide or nitrile of addition polymer

Landscapes

  • Magnetic Record Carriers (AREA)
  • Paints Or Removers (AREA)
DE19863630955 1985-09-11 1986-09-11 Magnetisches aufzeichnungsmaterial Granted DE3630955A1 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP20143685 1985-09-11
JP22619985 1985-10-11
JP25228585 1985-11-11
JP7048586A JPS62149027A (ja) 1985-09-11 1986-03-28 磁気記録媒体
JP7048786A JPS62208419A (ja) 1985-11-11 1986-03-28 磁気記録媒体
JP7048686A JPS62175928A (ja) 1985-10-11 1986-03-28 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE3630955A1 DE3630955A1 (de) 1987-03-19
DE3630955C2 true DE3630955C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1988-04-21

Family

ID=27551173

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19863630955 Granted DE3630955A1 (de) 1985-09-11 1986-09-11 Magnetisches aufzeichnungsmaterial

Country Status (2)

Country Link
US (1) US4707410A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3630955A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798755A (en) * 1985-05-01 1989-01-17 Fuji Photo Film Co., Ltd. Magnetic recording medium
US4789599A (en) * 1986-07-07 1988-12-06 Nippon Zeon Co., Ltd. Magnetic recording medium
JPS6384879A (ja) * 1986-09-25 1988-04-15 Fuji Photo Film Co Ltd 研磨テ−プ
EP0265133A3 (en) * 1986-10-13 1990-01-10 Matsushita Electric Industrial Co., Ltd. Composite magnetic powder, method for producing the same and recording medium containing the same
JPS63103417A (ja) * 1986-10-20 1988-05-09 Fuji Photo Film Co Ltd 磁気記録媒体
JPS63103418A (ja) * 1986-10-20 1988-05-09 Fuji Photo Film Co Ltd 磁気記録媒体
JPS63121117A (ja) * 1986-11-10 1988-05-25 Nippon Zeon Co Ltd 磁気記録媒体
US4770941A (en) * 1986-12-24 1988-09-13 Nisshin Chemical Industry Co., Ltd. Magnetic recording medium and a coating composition therefor
JPH0687296B2 (ja) * 1987-04-24 1994-11-02 富士写真フイルム株式会社 磁気記録媒体
JPS6472319A (en) * 1987-09-11 1989-03-17 Hitachi Maxell Magnetic recording medium
US5318838A (en) * 1988-01-22 1994-06-07 Fuji Photo Film Co., Ltd. Magnetic recording medium comprising ferromagnetic particles, binder resins and phenyl phosphonic acid
US4983311A (en) * 1988-10-26 1991-01-08 Nippon Zeon Co., Ltd. Magnetic coating and magnetic recording medium
JP2655340B2 (ja) * 1989-02-28 1997-09-17 富士写真フイルム株式会社 磁気記録媒体
US5277984A (en) * 1990-02-02 1994-01-11 Nippon Zeon Co., Ltd. Magnetic recording medium comprising ferromagnetic powder, a silane compound, and a binder comprising an epoxy group and specified functional group
JP2676643B2 (ja) * 1990-04-19 1997-11-17 富士写真フイルム株式会社 磁気記録媒体及びその製造方法
US5079086A (en) * 1990-10-11 1992-01-07 International Business Machines Corp. Magnetic recording media
EP0486820B1 (de) * 1990-11-01 1995-09-20 BASF Magnetics GmbH Magnetischer Aufzeichnungsträger
US5320914A (en) * 1991-06-26 1994-06-14 Nippon Zeon Co., Ltd. Magnetic recording medium comprising a styrene copolymer or an acrylic copolymer
US5246788A (en) * 1991-11-26 1993-09-21 Minnesota Mining And Manufacturing Company Vinyl chloride and heterocyclic thione functional polyurethane polymer blends and their use in magnetic recording media
US5498685A (en) * 1993-04-27 1996-03-12 Minnesota Mining And Manufacturing Company Carboxylic-acid functional polyurethane polymers and their use in magnetic recording media
US5371166A (en) * 1993-12-22 1994-12-06 The B. F. Goodrich Company Polyurethane composition for use as a dispersing binder
US5512651A (en) * 1994-07-29 1996-04-30 Minnesota Mining And Manufacturing Company Strong carboxylic acid functional polyurethane polymers and blends thereof used in magnetic recording media
GB2313832B (en) * 1996-06-03 1999-11-24 Minnesota Mining & Mfg Surface modification of magnetic particle pigments
US6099895A (en) * 1997-05-29 2000-08-08 Imation Corp. Surface modification of magnetic particle pigments
US6139946A (en) * 1997-05-30 2000-10-31 Imation Corp. Magnetic recording media incorporating a quaternary ammonium functional binder and magnetic pigment surface treated with compound having acidic and electron withdrawing functionalities
JP2002298333A (ja) * 2001-03-29 2002-10-11 Fuji Photo Film Co Ltd 六方晶系フェライトの製造方法及びそれを用いた磁気記録媒体
JP5133291B2 (ja) * 2009-03-31 2013-01-30 富士フイルム株式会社 磁気記録媒体
US7964013B2 (en) * 2009-06-18 2011-06-21 University Of Louisiana At Lafayette FeRh-FePt core shell nanostructure for ultra-high density storage media

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS527204A (en) * 1975-06-26 1977-01-20 Fuji Photo Film Co Ltd Magnetic recording medium manufacturing method
JPS5744223A (en) * 1980-08-28 1982-03-12 Toyo Ink Mfg Co Ltd Magnetic recording medium
JPS5812131A (ja) * 1981-07-13 1983-01-24 Sony Corp 磁気記録媒体
JPS5864627A (ja) * 1981-10-15 1983-04-18 Sony Corp 磁気記録媒体
JPS595424A (ja) * 1982-07-01 1984-01-12 Sony Corp 磁気記録媒体
JPS595423A (ja) * 1982-07-01 1984-01-12 Sony Corp 磁気記録媒体
US4562117A (en) * 1983-05-26 1985-12-31 Konishiroku Photo Industry Co., Ltd. Magnetic recording medium and a process of fabricating such magnetic recording medium
JPS6153368A (ja) * 1984-08-22 1986-03-17 Nippon Zeon Co Ltd 磁性塗料
US4600521A (en) * 1984-10-09 1986-07-15 Nippon Zeon Co., Ltd. Electron-beam reactive magnetic coating composition for magnetic recording media

Also Published As

Publication number Publication date
DE3630955A1 (de) 1987-03-19
US4707410A (en) 1987-11-17

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee