KR920014897A - 자성도료의 제조방법 - Google Patents

자성도료의 제조방법 Download PDF

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Publication number
KR920014897A
KR920014897A KR1019920001396A KR920001396A KR920014897A KR 920014897 A KR920014897 A KR 920014897A KR 1019920001396 A KR1019920001396 A KR 1019920001396A KR 920001396 A KR920001396 A KR 920001396A KR 920014897 A KR920014897 A KR 920014897A
Authority
KR
South Korea
Prior art keywords
magnetic
magnetic particles
manufacturing
magnetic paint
producing
Prior art date
Application number
KR1019920001396A
Other languages
English (en)
Other versions
KR950009545B1 (ko
Inventor
다다시 이노
노부히로 신까
시게오 다이몬
Original Assignee
야마다 미노루
다이낀 고오교오 가부시끼가이샤
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 야마다 미노루, 다이낀 고오교오 가부시끼가이샤 filed Critical 야마다 미노루
Publication of KR920014897A publication Critical patent/KR920014897A/ko
Application granted granted Critical
Publication of KR950009545B1 publication Critical patent/KR950009545B1/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
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/23—Magnetisable or magnetic paints or lacquers
    • 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
    • G11B5/706—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
    • 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
    • G11B5/70626—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 containing non-metallic substances

Landscapes

  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자성도료의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 탄소를 함유하는 자성입자 또는 탄화철을 주성분으로 하는 자성입자를 사용하여 자성도료를 제조하는 방법에 있어서, 자성입자를 유기용제와 함께 미리 혼련하는 공정을 포함하는 것을 특징으로 하는 자성도료의 제조방법.
  2. 제1항에 있어서, 상기 자성입자와 유기용제와의 혼련공정이 고전단 응력하에서 실시되는 것을 특징으로 하는 자성도료의 제조방법.
  3. 제1항에 있어서, 상기 탄소를 함유하는 자성입자가, 금속철과 금속철에 대하여 2-20중량%의 탄소로 이루어지는 자성입자인 것을 특징으로 하는 자성도료의 제조방법.
  4. 제1항에 있어서, 상기 탄화철이 식 Fe x C (x2)로 표시되는 것을 특징으로 하는 자성도료의 제조방법.
  5. 제1항에 있어서, 상기 혼련공정에 있어서, 자성입자와 유기용제의 비율이 중량비로 100대 25~100대 200인 것을 특징으로 하는 자성도료의 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.
KR1019920001396A 1991-01-31 1992-01-30 자성도료의 제조방법 KR950009545B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-32260 1991-01-31
JP3032260A JPH04246475A (ja) 1991-01-31 1991-01-31 磁性塗料の製造方法

Publications (2)

Publication Number Publication Date
KR920014897A true KR920014897A (ko) 1992-08-25
KR950009545B1 KR950009545B1 (ko) 1995-08-24

Family

ID=12354043

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920001396A KR950009545B1 (ko) 1991-01-31 1992-01-30 자성도료의 제조방법

Country Status (7)

Country Link
US (1) US5271857A (ko)
EP (1) EP0497357B1 (ko)
JP (1) JPH04246475A (ko)
KR (1) KR950009545B1 (ko)
CA (1) CA2060364A1 (ko)
DE (1) DE69210429T2 (ko)
TW (1) TW209302B (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5994611A (en) * 1995-09-18 1999-11-30 Toda Kogyo Corporation Method of incinerating plastic products containing ferric oxide hydroxide particles
DE69502192T2 (de) * 1995-09-18 1998-08-13 Toda Kogyo Corp., Hiroshima Aus Kunststoff hergestelltes Produkt
US5730893A (en) * 1996-04-19 1998-03-24 Ferrotec Corporation Magnetic colloids using acid terminated poly (12-hydroxystearic acid) dispersants
US20060283989A1 (en) * 2005-06-20 2006-12-21 David B. Lytle Products, Inc. Method and device for applying wall coatings
JP5332185B2 (ja) * 2007-11-16 2013-11-06 ソニー株式会社 磁性粉の製造方法、磁性シートの製造方法及びアンテナモジュールの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4305993A (en) * 1979-10-09 1981-12-15 Hitachi Maxell, Ltd. Magnetic recording medium
DE3469820D1 (en) * 1983-04-25 1988-04-14 Daikin Ind Ltd Acicular particulate material containing iron carbide
JPS60124023A (ja) * 1983-12-07 1985-07-02 Daikin Ind Ltd 磁気記録媒体
US4842759A (en) * 1983-04-25 1989-06-27 Daikin Industries, Ltd. Acicular process for producing particulate material
JPS6379232A (ja) * 1986-09-22 1988-04-09 Victor Co Of Japan Ltd 磁気記録媒体

Also Published As

Publication number Publication date
DE69210429T2 (de) 1996-10-31
EP0497357B1 (en) 1996-05-08
US5271857A (en) 1993-12-21
DE69210429D1 (de) 1996-06-13
EP0497357A1 (en) 1992-08-05
CA2060364A1 (en) 1992-08-01
KR950009545B1 (ko) 1995-08-24
JPH04246475A (ja) 1992-09-02
TW209302B (ko) 1993-07-11

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