KR890003895A - 붕소-함유 미분 자기 헥사페라이트 안료, 이의 제조방법 및 용도 - Google Patents

붕소-함유 미분 자기 헥사페라이트 안료, 이의 제조방법 및 용도 Download PDF

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KR890003895A
KR890003895A KR1019880010195A KR880010195A KR890003895A KR 890003895 A KR890003895 A KR 890003895A KR 1019880010195 A KR1019880010195 A KR 1019880010195A KR 880010195 A KR880010195 A KR 880010195A KR 890003895 A KR890003895 A KR 890003895A
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South Korea
Prior art keywords
boron
hexaferrite
finely divided
pigment
metal
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KR1019880010195A
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English (en)
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마이젠 울리히
북스바움 군터
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귄터 슈마허, 클라우스 대너
바이엘 아크티엔게젤샤프트
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Publication of KR890003895A publication Critical patent/KR890003895A/ko

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    • 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
    • C09C1/28—Compounds of silicon
    • 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
    • G11B5/70642—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 iron oxides
    • G11B5/70678—Ferrites
    • 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
    • H01F1/10—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
    • H01F1/11—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 non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure in the form of particles

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Paints Or Removers (AREA)

Abstract

내용 없음

Description

붕소-함유 미분 자기 헥사페라이트 안료, 이의 제조방법 및 용도
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명(실시예 6/B)에 따른 안료의 전자 현미경 사진이다. 제2도는 붕소로 도우프시키는 기능으로서의 보자력을 나타낸다. 제3도는 제2도에서와 동일한 물질의 상응하는 포화 자기화를 나타낸다.

Claims (10)

  1. 하기 일반식의 붕소-도우프된(doped)미분 자기 헥사페라이트 안료.
    M(I)XM(II)yM(III)ZBVFe12-(y+z+v)O19,
    상기식에서, X는 0보다 크고 3보다 작으며, X및 Z의 합은 0.1보다 크고 3보다 작고, x,y및 z의 합은 1.0보다 크며, v는 0보다 크고 6보다 작고, M(I)는 Ba, Sr, Ca, Eu, 또는 Pb이거나, Li,Na,K,Rb,Cs,Ag 또는 Tl인 1가 양이온과 La,Y,Sc,Bi또는 기타의 희토류 금속인 RE의 배합물이며, M(II)는 Fe(II),Mn,Co,Ni,Zn,Cu,Cd,Mg 또는 Sn(II)이고, M(III)는 Ti,Zr,Hf,Ga,Sn(IV),Ge,In,Sc,Nb,Ta,V,As,Sb,Bi,Al,Cr(III),Mo또는 W이다.
  2. 제1항에 있어서, 붕소 함량이 0.005내지 5중량%인 미분 자기 헥사페라이트 안료.
  3. 제1항에 있어서, 붕소가 헥사페라이트중에 화학적으로 혼입된, 미분 자기 헥사페라이트 안료.
  4. 유기화합물의 상응하는 금속염(여기에서, 금속염은 하이드록시 카복실산과 상응하는 금속이온과의 착화합물이다.)및 수-용성 붕소 화합물을 산화조건하의 승온에서, 계면할성제의 존재하에 분해시킴을 특징으로 하여, 제1항에서 청구된 미분 헥사페라이트 안료를 제조하는 방법.
  5. 제4항에 있어서, 금속염이 하기 조성을 갖는 방법.
    NH4(MenAnm)xPH2O
    상기식에서, An은 하이드록시 카복실산의 음이온이고, Me는 선택된 헥사페라이트의 금속성 조성물에 따른 소정의 금속이온이며, n은 Me가 Fe일 경우 0.21내지 0.5이며, m은 An이 C6H4O7이고, P가 0.04내지 1.5인 경우 0.27내지 0.43이다.
  6. 제4항에 있어서, 하이드록시카복실산이 시트르산인 방법.
  7. 제4항에 있어서, 붕소 화합물이 산화붕소, 붕산 , 암모늄 붕산염 또는 상응하는 금속의 금속 붕산염인 방법.
  8. 제4항에 있어서, 붕소 화합물을 미분된 헥사페라이트 안료를 제조하기 위해 필요한 혼합물중에 균질하게 분산시키는 방법.
  9. 제4항에 있어서, 유기 화합물의 금속염을 계면활성제 및 붕소 화합물의 존재하에서 80내지 180℃까지 가열하여 유리-형 전구체 화합물을 생성시킨후, 이를 상응하는 헥사페라이트의 열역학적 존재범위에 상응하는 온도까지 가열하는 방법.
  10. 자기 헥사페라이트 안료를 함유하는 자기 기록 재료에 있어서, 상기 헥사페라이트 안료가 제1항에 따른 붕소 도우프된 자기 헥사페라이트 안료임을 특징으로 하는 개량된 자기 기록 재료.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019880010195A 1987-08-11 1988-08-10 붕소-함유 미분 자기 헥사페라이트 안료, 이의 제조방법 및 용도 KR890003895A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19873726667 DE3726667A1 (de) 1987-08-11 1987-08-11 Feinteilige magnetische borhaltige hexaferritpigmente, verfahren zu ihrer herstellung sowie deren verwendung
DEP3726667.5 1987-08-11

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KR890003895A true KR890003895A (ko) 1989-04-18

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EP (1) EP0303151A1 (ko)
JP (1) JPS6469523A (ko)
KR (1) KR890003895A (ko)
DE (1) DE3726667A1 (ko)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907915A1 (de) * 1989-03-11 1990-09-13 Bayer Ag Feinteilige magnetische hexaferrite mit geringer temperaturabhaengigkeit der koerzitivkraft sowie deren verwendung
JP2897871B2 (ja) * 1995-08-11 1999-05-31 ティーディーケイ株式会社 磁石粉末、焼結磁石、ボンディッド磁石および磁気記録媒体
JP4576751B2 (ja) * 2001-05-24 2010-11-10 日立金属株式会社 酸化物磁性材料
JP5315588B2 (ja) * 2005-02-10 2013-10-16 戸田工業株式会社 赤外線反射用黒色顔料、該赤外線反射用顔料を用いた塗料及び樹脂組成物
JP2010080608A (ja) * 2008-09-25 2010-04-08 Fujifilm Corp 六方晶フェライト磁性粉末の製造方法ならびに磁気記録媒体およびその製造方法
JP5422643B2 (ja) * 2008-10-02 2014-02-19 エスエヌユー アール アンド ディービー ファウンデーション マルチフェロイック物質およびその製造方法
US10027035B2 (en) 2014-09-30 2018-07-17 Skyworks Solutions, Inc. Modified Z-type hexagonal ferrite materials with enhanced resonant frequency
US10026530B2 (en) 2014-10-24 2018-07-17 Skyworks Solutions, Inc. Increased resonant frequency potassium-doped hexagonal ferrite
CN107324406B (zh) * 2017-07-31 2019-09-24 电子科技大学 一种复合改性的锶铁氧体粉体的制备方法
JP7358758B2 (ja) * 2019-03-27 2023-10-11 Tdk株式会社 フェライト焼結磁石及びこれを備える回転電気機械

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7006084A (ko) * 1969-06-02 1970-12-04
DE1932970C3 (de) * 1969-06-28 1978-05-24 Philips Patentverwaltung Gmbh, 2000 Hamburg Anwendung des Verfahrens zur Erhöhung der Anisotropie von stranggepreßten Körpern auf die Herstellung von Dauermagneten und Vorrichtung zur Durchführung dieses Verfahrens
US3755515A (en) * 1970-10-15 1973-08-28 Community Building Ass Washing Utilizing a magnetic field to restrain a ferrite slurry during pressure filtration and particle orientation
US4117058A (en) * 1976-12-03 1978-09-26 General Motors Corporation Method of making boron containing strontium ferrite
JPS5827212B2 (ja) * 1979-06-08 1983-06-08 同和鉱業株式会社 ６方晶フエライトの乾式製造法
US4279763A (en) * 1980-04-09 1981-07-21 Aimants Ugimag S.A. Process of preparing ferrite powders
NL8002990A (nl) * 1980-05-23 1981-12-16 Philips Nv Werkwijze voor het vervaardigen van een anisotrope permanente magneet op oxydebasis.
US4493874A (en) * 1983-03-08 1985-01-15 Tokyo Shibaura Denki Kabushiki Kaisha Production of a magnetic powder having a high dispersibility
JPS59188106A (ja) * 1983-04-08 1984-10-25 Ricoh Co Ltd 光磁気記録媒体

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DE3726667A1 (de) 1989-02-23
JPS6469523A (en) 1989-03-15
EP0303151A1 (de) 1989-02-15

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