DE3248886T1 - Strahlungshaertbares, magnetisches beschichtungsmaterial und dieses material verwendender magnetischer aufzeichnungstraeger - Google Patents

Strahlungshaertbares, magnetisches beschichtungsmaterial und dieses material verwendender magnetischer aufzeichnungstraeger

Info

Publication number
DE3248886T1
DE3248886T1 DE823248886T DE3248886T DE3248886T1 DE 3248886 T1 DE3248886 T1 DE 3248886T1 DE 823248886 T DE823248886 T DE 823248886T DE 3248886 T DE3248886 T DE 3248886T DE 3248886 T1 DE3248886 T1 DE 3248886T1
Authority
DE
Germany
Prior art keywords
water
radiation
curable
double bond
resin
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
DE823248886T
Other languages
German (de)
English (en)
Other versions
DE3248886C2 (forum.php
Inventor
Ohtsuki Akira
Konno Ryozo
Kanno Nobumori
Sugai Makio
Mihoya Takashi
Kubota Yuichi
Nishimatsu Masaharu
Isobe Yukihiro
Tanaka Kazushi
Shinoura Tokyo Osamu
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
Toyo Ink Mfg 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
Application filed by TDK Corp, Toyo Ink Mfg Co Ltd filed Critical TDK Corp
Publication of DE3248886T1 publication Critical patent/DE3248886T1/de
Application granted granted Critical
Publication of DE3248886C2 publication Critical patent/DE3248886C2/de
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
    • G11B5/7026—Radiation curable polymers
    • 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.]
    • Y10T428/31609—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]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31935—Ester, halide or nitrile of addition polymer

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Polymerisation Methods In General (AREA)
DE823248886T 1981-07-22 1982-07-22 Strahlungshaertbares, magnetisches beschichtungsmaterial und dieses material verwendender magnetischer aufzeichnungstraeger Granted DE3248886T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP56113594A JPS5815573A (ja) 1981-07-22 1981-07-22 放射線硬化性磁性塗料および該塗料を用いて得られた磁気記録媒体
PCT/JP1982/000284 WO1983000340A1 (en) 1981-07-22 1982-07-22 Radiation-curable magnetic paint and magnetic recording medium obtained by using the same

Publications (2)

Publication Number Publication Date
DE3248886T1 true DE3248886T1 (de) 1983-06-30
DE3248886C2 DE3248886C2 (forum.php) 1990-03-22

Family

ID=14616159

Family Applications (1)

Application Number Title Priority Date Filing Date
DE823248886T Granted DE3248886T1 (de) 1981-07-22 1982-07-22 Strahlungshaertbares, magnetisches beschichtungsmaterial und dieses material verwendender magnetischer aufzeichnungstraeger

Country Status (7)

Country Link
US (1) US4708909A (forum.php)
EP (1) EP0083666B1 (forum.php)
JP (1) JPS5815573A (forum.php)
DE (1) DE3248886T1 (forum.php)
GB (1) GB2113238B (forum.php)
NL (1) NL8220243A (forum.php)
WO (1) WO1983000340A1 (forum.php)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408020A (en) * 1982-06-28 1983-10-04 The B. F. Goodrich Company Curable polyurethanes
JPS5979431A (ja) * 1982-10-29 1984-05-08 Konishiroku Photo Ind Co Ltd 磁気記録媒体
EP0123081A3 (en) * 1983-03-09 1986-11-26 DeSOTO, INC. Coatings for magnetic recording structures and production thereof
GB2188641B (en) * 1983-04-22 1988-02-10 Ici Plc Article having magnetic properties and production thereof
JPS61248223A (ja) * 1985-04-25 1986-11-05 Matsushita Electric Ind Co Ltd 磁気記録媒体
DE3631537A1 (de) * 1986-09-17 1988-03-24 Bayer Ag Magnetlackdispersionen, verfahren zu ihrer herstellung und deren verwendung
JPS63239904A (ja) * 1987-03-27 1988-10-05 Nippon Seiko Kk 光硬化型磁性流体
US5143637A (en) * 1990-02-20 1992-09-01 Nippon Seiko Kabushiki Kaisha Magnetic fluid composition
JP3486655B2 (ja) * 1994-08-03 2004-01-13 住友化学工業株式会社 芳香族ポリアミドフィルムの製造方法
US6274939B1 (en) * 1998-09-11 2001-08-14 American Electronic Components Resin ceramic compositions having magnetic properties
KR20080038950A (ko) * 2006-10-31 2008-05-07 삼성전자주식회사 토너용 수지조성물 제조방법 및 이에 따라 제조된수지조성물을 포함하는 토너 조성물
JP6701879B2 (ja) * 2016-03-29 2020-05-27 三菱ケミカル株式会社 硬化性組成物、硬化物及び積層体

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4712423B1 (forum.php) * 1967-06-28 1972-04-17
DE2100037C3 (de) * 1971-01-02 1980-06-19 Hartmann, Job-Werner, Dr., 6700 Ludwigshafen Verfahren zur Herstellung von magnetischen Aufzeichnungsträgern
US4004997A (en) * 1972-01-30 1977-01-25 Seiko Shimada Process of curing a polymerizable composition containing a magnetized powered ferromagnetic material with radioactive rays
JPS527204A (en) * 1975-06-26 1977-01-20 Fuji Photo Film Co Ltd Magnetic recording medium manufacturing method
JPS5823646B2 (ja) * 1975-12-29 1983-05-17 富士写真フイルム株式会社 ジキキロクタイノセイホウ
US4247578A (en) * 1977-01-14 1981-01-27 Henkel Corporation Interpenetrating dual cure resin compositions
JPS551633A (en) * 1978-06-20 1980-01-08 Hitachi Maxell Ltd Production of magnetic recording medium
DE2914659A1 (de) * 1979-04-11 1980-10-23 Agfa Gevaert Ag Magnetisches speichermedium und verfahren zu dessen herstellung
JPS5621668A (en) * 1979-07-27 1981-02-28 Nippon Steel Corp Preparation of steel plate having embossed thick precoat layer
GB2055877B (en) * 1979-08-06 1983-07-20 Sony Corp Magnetic recording media
JPS5625232A (en) * 1979-08-06 1981-03-11 Sony Corp Magnetic recording medium
JPS56130835A (en) * 1980-03-13 1981-10-14 Fuji Photo Film Co Ltd Manufacture for magnetic recording medium
US4415630A (en) * 1980-06-10 1983-11-15 Tdk Electronics Co., Ltd. Process of making magnetic recording medium
US4448846A (en) * 1980-09-22 1984-05-15 Ampex Corporation Radiation-cured magnetic media and process for making same
JPS57164436A (en) * 1981-04-02 1982-10-09 Fuji Photo Film Co Ltd Manufacture of magnetic recording medium
DE3214757C1 (de) * 1982-04-21 1983-11-24 Hermann Wiederhold GmbH, 4010 Hilden Verfahren zum Herstellen organischer UEberzuege aus haertbaren Polymersystemen
US4454282A (en) * 1983-03-21 1984-06-12 International Business Machines Corporation Water-based chromium dioxide magnetic recording media

Also Published As

Publication number Publication date
JPS5815573A (ja) 1983-01-28
GB2113238B (en) 1985-06-05
GB8304843D0 (en) 1983-03-23
WO1983000340A1 (en) 1983-02-03
US4708909A (en) 1987-11-24
GB2113238A (en) 1983-08-03
EP0083666A1 (en) 1983-07-20
EP0083666A4 (en) 1985-07-30
NL8220243A (nl) 1983-06-01
EP0083666B1 (en) 1988-09-14
DE3248886C2 (forum.php) 1990-03-22

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Legal Events

Date Code Title Description
8127 New person/name/address of the applicant

Owner name: TDK CORPORATION TOYO INK MANUFACTURING CO., LTD.,

8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: G11B 5/702

D2 Grant after examination
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TDK CORP., TOKIO/TOKYO, JP

8339 Ceased/non-payment of the annual fee