KR940004541A - 자기기록매체 - Google Patents

자기기록매체 Download PDF

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Publication number
KR940004541A
KR940004541A KR1019930016178A KR930016178A KR940004541A KR 940004541 A KR940004541 A KR 940004541A KR 1019930016178 A KR1019930016178 A KR 1019930016178A KR 930016178 A KR930016178 A KR 930016178A KR 940004541 A KR940004541 A KR 940004541A
Authority
KR
South Korea
Prior art keywords
magnetic
recording medium
layer
dispersion
magnetic recording
Prior art date
Application number
KR1019930016178A
Other languages
English (en)
Other versions
KR100228824B1 (ko
Inventor
레에너 아우구스트
슈나이더 노르베르트
롤러 헤르만
발츠 베르너
렌츠 베르너
코올 알베르트
Original Assignee
베른하르트 라이싱어, 라이너 트리쉬만
바스프 마그네틱스 게엠베하
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 베른하르트 라이싱어, 라이너 트리쉬만, 바스프 마그네틱스 게엠베하 filed Critical 베른하르트 라이싱어, 라이너 트리쉬만
Publication of KR940004541A publication Critical patent/KR940004541A/ko
Application granted granted Critical
Publication of KR100228824B1 publication Critical patent/KR100228824B1/ko

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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
    • G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
    • 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
    • G11B5/708—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 addition of non-magnetic particles to the layer
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
    • Y10T428/2991—Coated
    • Y10T428/2993—Silicic or refractory material containing [e.g., tungsten oxide, glass, cement, etc.]
    • Y10T428/2995—Silane, siloxane or silicone coating
    • 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]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane
    • 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]
    • Y10T428/31652—Of asbestos
    • Y10T428/31667—Next to addition polymer from unsaturated monomers, or aldehyde or ketone condensation product

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

본 발명은 유기용매중의 중합체 결합제의 용액중에서 비등방성 자기재료 및 통상적인 첨가제의 분산액을 제조하고, 분산액을 비자기성 기판에 층으로서 도포시키고, 자기장내에 비등방성 자기재료를 배향시키고, 도포된 자기층을 고화시킴으로써 얻어지는 자기기록매체에 관한 것이며, 자기층은 미립 유기 소수성 지지안료 및 고점성 폴리실록산을 함유한다.

Description

자기기록매체
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (2)

  1. 유기 용매중의 중합체 결합제의 용액중에서 비등방성 자기재료 및 통상적인 첨가제의 분산액을 제조하고, 비자기성 기판에 층으로서 분산액을 도포시킨 후, 자기장내에 비등방성 자기재료를 배향시키고, 도포된 자기층을 고화시킴으로써 얻어지며, 사용되는 용매에 불용성이고 90이상의 융점을 갖는 미립 유기 소수성 지지안료가 자기재료의 양을 기준으로 0.1 내지 1.5 중량의 10,000 내지 500,000 mPa의 점도를 갖는 고점성 폴리실록산과 조합하여 0.1 내지 8중량의 양으로 자기층에 존재함을 특징으로 하는 자기기록매체.
  2. 제1항에 있어서, 미립 유기 지지안료가 2,000 내지 10,000의 분자량, 30미만의 구형 입자직경 및 95이상의 융점을 갖는 폴리에틸렌 또는 폴리프로필렌임을 특징으로 하는 자기기록매체,
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930016178A 1992-08-22 1993-08-20 자기기록매체 KR100228824B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4227870.8 1992-08-22
DE4227870A DE4227870A1 (de) 1992-08-22 1992-08-22 Magnetische Aufzeichnungsträger

Publications (2)

Publication Number Publication Date
KR940004541A true KR940004541A (ko) 1994-03-15
KR100228824B1 KR100228824B1 (ko) 1999-11-01

Family

ID=6466154

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930016178A KR100228824B1 (ko) 1992-08-22 1993-08-20 자기기록매체

Country Status (5)

Country Link
US (1) US5470650A (ko)
EP (1) EP0584633B1 (ko)
JP (1) JP3039902B2 (ko)
KR (1) KR100228824B1 (ko)
DE (2) DE4227870A1 (ko)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2654681A (en) * 1950-01-27 1953-10-06 Minnesota Mining & Mfg Magnetic recording tape
US2871218A (en) * 1955-12-01 1959-01-27 Goodrich Co B F Simulated vulcanizates of polyurethane elastomers
DE2753694C3 (de) * 1977-12-02 1982-05-13 Basf Ag, 6700 Ludwigshafen Magnetische Aufzeichnungsträger mit Polyurethanelastomer-Bindemitteln in der Magnetschicht
JPS57164427A (en) * 1981-04-01 1982-10-09 Tdk Corp Magnetic recording medium
JPS57164425A (en) * 1981-04-01 1982-10-09 Tdk Corp Magnetic recording medium
JPS57164426A (en) * 1981-04-01 1982-10-09 Tdk Corp Magnetic recording medium
JPS5898887A (ja) * 1981-12-07 1983-06-11 Fuji Photo Film Co Ltd リ−ダ−テ−プを有する磁気テ−プ
DE3226995A1 (de) * 1982-07-20 1984-01-26 Basf Ag, 6700 Ludwigshafen Verfahren zur herstellung von polyarylensulfid
DE3381028D1 (de) * 1982-07-21 1990-02-01 Basf Ag Magnetische aufzeichnungstraeger.
DE3227164A1 (de) * 1982-07-21 1984-01-26 Basf Ag, 6700 Ludwigshafen Magnetische aufzeichnungstraeger
JPS6194233A (ja) * 1984-10-15 1986-05-13 Fuji Photo Film Co Ltd 磁気記録媒体
JPH0766520B2 (ja) * 1985-01-08 1995-07-19 富士写真フイルム株式会社 磁気記録媒体
JPH0690782B2 (ja) * 1987-04-17 1994-11-14 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
JP2537081B2 (ja) * 1988-10-18 1996-09-25 富士写真フイルム株式会社 磁気記録媒体
US5270109A (en) * 1990-01-17 1993-12-14 Fuji Photo Film Co., Ltd. Magnetic recording medium having a magnetic layer comprising ferromagnetic powder, a binder and a specified organosilicon lubricant compound
JPH04157616A (ja) * 1990-10-22 1992-05-29 Hitachi Maxell Ltd 磁気記録媒体

Also Published As

Publication number Publication date
JPH06176349A (ja) 1994-06-24
EP0584633A1 (de) 1994-03-02
DE4227870A1 (de) 1994-02-24
US5470650A (en) 1995-11-28
DE59304266D1 (de) 1996-11-28
EP0584633B1 (de) 1996-10-23
JP3039902B2 (ja) 2000-05-08
KR100228824B1 (ko) 1999-11-01

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