KR850002141A - 안정화된 마그네틱 피그먼트 - Google Patents

안정화된 마그네틱 피그먼트 Download PDF

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Publication number
KR850002141A
KR850002141A KR1019840005182A KR840005182A KR850002141A KR 850002141 A KR850002141 A KR 850002141A KR 1019840005182 A KR1019840005182 A KR 1019840005182A KR 840005182 A KR840005182 A KR 840005182A KR 850002141 A KR850002141 A KR 850002141A
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KR
South Korea
Prior art keywords
magnetic pigment
pigment
weight
magnetic
iron
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Application number
KR1019840005182A
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English (en)
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KR910006651B1 (ko
Inventor
나우만 롤프 (외 4)
Original Assignee
귄터 슈마커, 칼-루드비히 쉬미트
바이엘 아크티엔게젤샤프트
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Application filed by 귄터 슈마커, 칼-루드비히 쉬미트, 바이엘 아크티엔게젤샤프트 filed Critical 귄터 슈마커, 칼-루드비히 쉬미트
Publication of KR850002141A publication Critical patent/KR850002141A/ko
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Publication of KR910006651B1 publication Critical patent/KR910006651B1/ko

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/62—Metallic pigments or fillers
    • 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
    • G11B5/712—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 surface treatment or coating of magnetic particles
    • 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
    • G11B5/706—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 composition of the magnetic material
    • G11B5/70605—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 composition of the magnetic material metals or alloys
    • G11B5/70615—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 composition of the magnetic material metals or alloys containing Fe metal or alloys
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/06—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder
    • H01F1/061—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys in the form of particles, e.g. powder with a protective layer

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  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Powder Metallurgy (AREA)

Abstract

내용 없음

Description

안정화된 마그네틱 피그먼트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (8)

  1. 중합체 물질의 양이, 마그네틱 피그먼트의 양을 기준하여, 0.1 내지 5중량%, 바람직하게는 0.2 내지 2중량%임을 특징으로 하는 자체특성을 보존시키기 위해 중합체물질로 밀폐시킨 민감한 마그네틱 피그먼트.
  2. 제1항에 있어서, 언급된 중합체 물질을 패킹(paccking) 물질로써 사용함을 특징으로 하는 마그네틱 피그먼트.
  3. 제1 또는 2항에 있어서, 언급된 중합체 물질이 자기 기록 매체(magnetic recording media)의 제조시 재료에 용해될 수 있고/있거나 팽윤될 수 있음을 특징으로 하는 마그네틱 피그먼트.
  4. 제1 또는 3항중 어느 하나에 있어서, 언급된 중합체 물질이 폴리카보네이트, 폴리아크릴레이트, 폴리메타크릴레이트, 폴리에스테르, 폴리에테르, 폴리우레탄, 폴리비닐화합물, 폴리비닐리덴 화합물, 셀룰로오스 화합물 또는 이의 혼합물로 이루어짐을 특징으로 하는 마그네틱 피그먼트.
  5. 제1 내지 4항중 어느 하나에 있어서, 언급된 피그먼트가 자철석, 버토로이드 (bertholoid)철산화물/및 또는 거의 철로 이루어진 금속 피그먼트임을 특징으로 하는 마그네틱 피그먼트.
  6. 제5항에 있어서, 언급된 마그네틱 피그먼트가, 거의 철로 이루어져 있으며 0.5 내지 15중량%의 산소함유량을 가지는 금속 피그먼트 임을 특징으로 하는 마그네틱 피그먼트.
  7. 마그네틱 피그먼트의 산화도를 임의로 조정한 후, 이 마그네틱 피그먼트를 중합체 물질로 멜폐시킴으로 틀징으로 하여, 제1항 내지 제6항에 따르는 금속피그먼트를 제조하는 방법.
  8. 거의 철로 이루어진 금속피그먼트를, 시간에 따라 증가하는 산소 부분압을 가진 대기중에서 신중히 열처리하여 0.5 내지 15중량%의 산소를 함유하도록 한 다음, 폴리카아보네이트, 폴리아크릴레이트, 폴리메타크릴레이트, 폴리에스테르, 폴리에테르, 폴리우레탄, 폴리비닐화합물, 폴리비닐리덴 화합물, 셀룰로오스 화합물 및 이의 혼합물중에서 선택된 패킹물질로서의 중합체 0.1 내지 5중량%를 사용하여 밀폐시킴을 특징으로 하여, 거의 철로 이루어졌으며, 산소함량이 0.5 내지 15중량%인 마그네틱 피그먼트를 제조하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019840005182A 1983-08-26 1984-08-25 안정화된 마그네틱 피그먼트 KR910006651B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19833330767 DE3330767A1 (de) 1983-08-26 1983-08-26 Handhabungsstabile im wesentlichen aus eisen bestehende magnetpigmente, verfahren zu ihrer herstellung sowie ihre verwendung
DEP3330767,9 1983-08-26
DEP3330767.9 1983-08-26

Publications (2)

Publication Number Publication Date
KR850002141A true KR850002141A (ko) 1985-05-06
KR910006651B1 KR910006651B1 (ko) 1991-08-30

Family

ID=6207470

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840005182A KR910006651B1 (ko) 1983-08-26 1984-08-25 안정화된 마그네틱 피그먼트

Country Status (5)

Country Link
US (1) US4689086A (ko)
EP (1) EP0137232B1 (ko)
JP (1) JPS6067566A (ko)
KR (1) KR910006651B1 (ko)
DE (2) DE3330767A1 (ko)

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CN111691233A (zh) * 2020-05-28 2020-09-22 仙鹤股份有限公司 一种低平滑度医用包装原纸的制备方法

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US5919848A (en) * 1997-10-03 1999-07-06 Eastman Chemical Company Magnetic polyester compositions
JP2001305733A (ja) * 2000-04-18 2001-11-02 Sumitomo Chem Co Ltd 感光性組成物の保存方法
US6944115B2 (en) * 2000-09-29 2005-09-13 General Electric Company Colored data storage media
US6475588B1 (en) 2001-08-07 2002-11-05 General Electric Company Colored digital versatile disks
US6475589B1 (en) 2001-12-17 2002-11-05 General Electric Company Colored optical discs and methods for making the same
CN101429349B (zh) * 2007-11-07 2012-04-18 秦文隆 不锈钢皮膜资源化再利用方法
US9791623B2 (en) * 2009-11-30 2017-10-17 Board Of Regents, The University Of Texas System Multilevel leaky-mode resonant optical devices
US8313666B2 (en) * 2011-03-17 2012-11-20 Xerox Corporation Curable inks comprising polymer-coated magnetic nanoparticles

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111691233A (zh) * 2020-05-28 2020-09-22 仙鹤股份有限公司 一种低平滑度医用包装原纸的制备方法

Also Published As

Publication number Publication date
EP0137232A1 (de) 1985-04-17
KR910006651B1 (ko) 1991-08-30
US4689086A (en) 1987-08-25
EP0137232B1 (de) 1987-05-13
JPS6067566A (ja) 1985-04-17
DE3463700D1 (en) 1987-06-19
DE3330767A1 (de) 1985-03-14

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