DE68909002T2 - Magnetischer Aufzeichnungsträger. - Google Patents

Magnetischer Aufzeichnungsträger.

Info

Publication number
DE68909002T2
DE68909002T2 DE89120413T DE68909002T DE68909002T2 DE 68909002 T2 DE68909002 T2 DE 68909002T2 DE 89120413 T DE89120413 T DE 89120413T DE 68909002 T DE68909002 T DE 68909002T DE 68909002 T2 DE68909002 T2 DE 68909002T2
Authority
DE
Germany
Prior art keywords
record carrier
magnetic record
magnetic
carrier
record
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 - Fee Related
Application number
DE89120413T
Other languages
English (en)
Other versions
DE68909002D1 (de
Inventor
Takeshi C O Toyo Bosek Yatsuka
Hiroshi C O Toyo Boseki Murata
Yutaka C O Toyo Bosek Mizumura
Nobukazu C O Toyo Bosek Kotera
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Application granted granted Critical
Publication of DE68909002D1 publication Critical patent/DE68909002D1/de
Publication of DE68909002T2 publication Critical patent/DE68909002T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • C08G18/83—Chemically modified polymers
    • C08G18/833—Chemically modified polymers by nitrogen containing compounds
    • 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
    • C08G18/08—Processes
    • C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
    • C08G18/0819—Manufacture of polymers containing ionic or ionogenic groups containing anionic or anionogenic groups
    • 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
    • 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.]
    • 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
DE89120413T 1988-11-08 1989-11-04 Magnetischer Aufzeichnungsträger. Expired - Fee Related DE68909002T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63282269A JPH02128316A (ja) 1988-11-08 1988-11-08 磁気記録媒体

Publications (2)

Publication Number Publication Date
DE68909002D1 DE68909002D1 (de) 1993-10-14
DE68909002T2 true DE68909002T2 (de) 1994-01-05

Family

ID=17650254

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89120413T Expired - Fee Related DE68909002T2 (de) 1988-11-08 1989-11-04 Magnetischer Aufzeichnungsträger.

Country Status (5)

Country Link
US (1) US5009960A (de)
EP (1) EP0368172B1 (de)
JP (1) JPH02128316A (de)
KR (1) KR900008488A (de)
DE (1) DE68909002T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100304157B1 (ko) * 1993-08-05 2001-11-22 시바타 미노루 자기기록매체
JP2672783B2 (ja) * 1994-05-05 1997-11-05 モートン インターナショナル，インコーポレイティド アミノアルキルホスホネートを含む磁気記録用バインダー
US5872182A (en) * 1994-09-09 1999-02-16 H. B. Fuller Licensing & Financing, Inc. Water-based polyurethanes for footwear
KR19990022511A (ko) * 1995-06-07 1999-03-25 란 낸시엔 음이온 폴리우레탄 수성분산물 및 그 제조방법
US5747630A (en) * 1997-03-13 1998-05-05 Morton International, Inc. Polyurethane binder for a magnetic recording medium
JP4907915B2 (ja) * 2005-07-15 2012-04-04 株式会社三桂製作所 配線箱用ケーブルブッシング

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4152485A (en) * 1977-08-05 1979-05-01 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
US4842942A (en) * 1984-08-15 1989-06-27 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
US4584363A (en) * 1985-09-16 1986-04-22 Ashland Oil, Inc. Thermoset resins based on bicyclic amide acetal modified unsaturated polycarboxylic acids, polyisocyanates and vinyl monomers

Also Published As

Publication number Publication date
EP0368172A3 (de) 1991-06-05
EP0368172B1 (de) 1993-09-08
KR900008488A (ko) 1990-06-04
EP0368172A2 (de) 1990-05-16
US5009960A (en) 1991-04-23
JPH02128316A (ja) 1990-05-16
DE68909002D1 (de) 1993-10-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee