KR900018921A - 자기 기록 매체용 결합제 및 자기 기록 매체 - Google Patents

자기 기록 매체용 결합제 및 자기 기록 매체 Download PDF

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Publication number
KR900018921A
KR900018921A KR1019890007109A KR890007109A KR900018921A KR 900018921 A KR900018921 A KR 900018921A KR 1019890007109 A KR1019890007109 A KR 1019890007109A KR 890007109 A KR890007109 A KR 890007109A KR 900018921 A KR900018921 A KR 900018921A
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KR
South Korea
Prior art keywords
binder
sulfobetaine
magnetic recording
resin
recording media
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KR1019890007109A
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English (en)
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KR0127305B1 (ko
Inventor
히로유키 시라키
카쯔히로 히라타
Original Assignee
우메모토 요시마사
다께다 야쿠힝 코교 가부시기가이샤
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Publication of KR900018921A publication Critical patent/KR900018921A/ko
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Publication of KR0127305B1 publication Critical patent/KR0127305B1/ko

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    • 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
    • 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
    • G11B5/7023—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 polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
    • 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
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Magnetic Record Carriers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

내용 없음

Description

자기 기록 매체용 결합제 및 자기 기록 매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. 설포베타인-함유 수지를 포함하는 자기 기록 매체용 결합제.
  2. 제1항에 있어서, 수지중의 설포베타인 함량은 약 1 내지 1000당량/106g인 자기 기록 매체용 결합제.
  3. 제1항에 있어서, 설포베타인-함유 수지는 우레탄 수지 또는 비닐 클로라이드 공중합체인 자기 기록 매체용 결합제.
  4. 제3항에 있어서, 우레탄 수지는 폴리이소시아네이트와 폴리히드록시 화합물과의 반응에 의해 제조되고, 폴리히드록시 화합물의 일부는 설포베타인-함유 폴리히드록시 화합물로 치환되는 자기 기록 매체용 결합제.
  5. 제4항에 있어서, 설포베타인-함유 폴리히드록시 화합물은 2 또는 그 이상의 히드록시기를 지닌 3차 아민과 하기식(A')의 설톤 화합물과의 반응 생성물인 자기 기록 매체용 결합제.
    상기식에서 -R-은 1 내지 20의 탄소수를 지닌 직쇄 또는 측쇄의 알킬렌기이며, n은 2 내지 20의 정수임.
  6. 제3항에 있어서, 비닐 클로라이드 공중합체는 비닐 클로라이드와 이와 공중합될 수 있는 설포베타인-함유 단량체의 공중합체인 자기 기록 매체용 결합제.
  7. 제6항에 있어서, 설포 베타인-함유 단량체는 3차 아미노-함유 비닐 단량체와 하기식(A')의 설톤과의 반응 생성물인 자기 기록 매체용 결합제
    상기식에서 -R-은 1 내지 20의 탄소원자를 지닌 직쇄 또는 측쇄의 알킬렌기이며, n은 2 내지 20의 정수임.
  8. 제1항에 있어서, 설포베타인-함유 수지는 150℃ 이상의 연화점, 10,000 내지 200,000의 평균 분자량 및 약 200 내지 2,000의 중합도를 지닌 열가소성 수지와 조합하여 사용되는, 자기 기록 매체용 결합제.
  9. 제8항에 있어서, 열가소성 수지는 비닐 클로라이드-비닐 아세테이트-비닐알콜 공중합체인, 자기 기록 매체용 결합제.
  10. 제1항에 있어서, 설포베타인-함유 수지는 경화제로서 폴리이소시아네이트와 조합하여 사용되는 자기 기록 매체용 결합제.
  11. 설포베타인-함유 수지를 포함하는 자기 기록 매체용의 결합제와 결합된 자기층을 지닌 자기 기록 매체.
  12. 제11항에 있어서, 수지중의 설포 베타인 함량은 약 1 내지 100당량/106g인 자기 기록 매체.
  13. 제11항에 있어서, 설포베타인-함유 수지는 우레탄 수지 또는 비닐 클로라이드 공중합체인 자기 기록 매체.
  14. 제11항에 있어서, 건조후 필름 두께가 약 0.1 내지 50㎛가 되도록 설포베타인-함유 수지를 포함하는 결합제로 비자기 지지체를 피복함으로써 제조된 자기 기록 매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890007109A 1988-05-27 1989-05-27 자기 기록 매체용 결합제 및 자기 기록 매체 KR0127305B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP63-130970 1988-05-27
JP13097088 1988-05-27
JP130970/1988 1988-05-27

Publications (2)

Publication Number Publication Date
KR900018921A true KR900018921A (ko) 1990-12-22
KR0127305B1 KR0127305B1 (ko) 1997-12-29

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ID=15046864

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KR1019890007109A KR0127305B1 (ko) 1988-05-27 1989-05-27 자기 기록 매체용 결합제 및 자기 기록 매체

Country Status (7)

Country Link
US (1) US5401571A (ko)
EP (1) EP0343576B1 (ko)
JP (1) JP2802389B2 (ko)
KR (1) KR0127305B1 (ko)
AU (1) AU616516B2 (ko)
CA (1) CA1338676C (ko)
DE (1) DE68917208T2 (ko)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02108228A (ja) * 1988-10-18 1990-04-20 Konica Corp 磁気記録媒体
JP2660589B2 (ja) * 1989-12-18 1997-10-08 日本ポリウレタン工業株式会社 磁気記録媒体用ポリウレタン樹脂バインダーの製造方法
JP2651729B2 (ja) * 1989-12-29 1997-09-10 日本ポリウレタン工業株式会社 磁気記録媒体用ポリウレタン樹脂バインダーの製造方法
US5415941A (en) * 1990-12-25 1995-05-16 Toyo Boseki Kabushiki Kaisha Magnetic recording medium comprising magnetic particles and a specified polyurethane resin
JPH04286716A (ja) * 1991-03-15 1992-10-12 Teijin Memory Media Kk 可撓性磁気ディスク
US5652320A (en) * 1994-10-11 1997-07-29 Sanyo Chemical Industries, Ltd. Polymer containing N-sulfoamino group, fiber formed therefrom, and magnetic recording medium containing the same
US5654480A (en) * 1995-05-19 1997-08-05 Rhone-Poulenc Surfactants & Specialties, L.P. Recovery and reuse of surfactants from aqueous solutions
US6013185A (en) * 1997-09-25 2000-01-11 Rhodia Inc. Recovery and reuse of nonionic surfactants from aqueous solutions
DE10064889A1 (de) 2000-12-23 2002-07-18 Agfa Gevaert Nv Aufzeichnungsmaterial mit negativ arbeitender, strahlungsempfindlicher Schicht, die Zusätze zur Förderung der Entwickelbarkeit enthält
JP3927469B2 (ja) * 2002-08-12 2007-06-06 日本電産株式会社 自動平衡装置及びその製造方法
US9808560B2 (en) 2013-03-01 2017-11-07 University of Pittsburgh—of the Commonwealth System of Higher Education Biodegradable, non-thrombogenic elastomeric polyurethanes
WO2023224879A1 (en) * 2022-05-16 2023-11-23 Trustees Of Tufts College Cross-linkable and charged zwitterionic polymers and membranes comprising same

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US3411912A (en) * 1965-04-21 1968-11-19 Eastman Kodak Co Novel polymers and their use in photographic applications
JPS523815B2 (ko) * 1974-04-10 1977-01-31
JPS5329188B2 (ko) * 1974-04-10 1978-08-18
US4152485A (en) * 1977-08-05 1979-05-01 Toyo Boseki Kabushiki Kaisha Magnetic recording medium
JPS58108595U (ja) * 1982-01-16 1983-07-23 ヤンマー農機株式会社 作業用機械
JPS58179936A (ja) * 1982-04-14 1983-10-21 Konishiroku Photo Ind Co Ltd 磁気記録媒体
DE3303156A1 (de) * 1983-01-31 1984-08-02 Hoechst Ag, 6230 Frankfurt Weichmacherhaltige polyvinylbutyralfolien mit reduziertem haftvermoegen an glas
US4507458A (en) * 1983-04-14 1985-03-26 Takeda Chemical Industries, Ltd. Urethane acrylate compositions
JP2557615B2 (ja) * 1983-09-16 1996-11-27 ティーディーケイ株式会社 磁気記録媒体及びその製造方法
GB8402801D0 (en) * 1984-02-02 1984-03-07 Ici Plc Dispersion
JPS626429A (ja) * 1985-07-02 1987-01-13 Sony Corp 磁気記録媒体
JPH0740345B2 (ja) * 1985-10-15 1995-05-01 ソニー株式会社 磁気記録媒体
AU2280888A (en) * 1987-10-12 1989-04-13 Takeda Chemical Industries Ltd. Polyurethane resins having mercapto groups, use in magnetic recording medium
JPH01223624A (ja) * 1988-03-02 1989-09-06 Hitachi Maxell Ltd 磁気記録媒体

Also Published As

Publication number Publication date
AU3483489A (en) 1989-11-30
KR0127305B1 (ko) 1997-12-29
CA1338676C (en) 1996-10-22
JP2802389B2 (ja) 1998-09-24
EP0343576A2 (en) 1989-11-29
DE68917208T2 (de) 1995-01-05
AU616516B2 (en) 1991-10-31
DE68917208D1 (de) 1994-09-08
JPH0256719A (ja) 1990-02-26
US5401571A (en) 1995-03-28
EP0343576A3 (en) 1990-12-05
EP0343576B1 (en) 1994-08-03

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