KR850005852A - 자기 입자 분산액 - Google Patents

자기 입자 분산액 Download PDF

Info

Publication number
KR850005852A
KR850005852A KR1019850000665A KR850000665A KR850005852A KR 850005852 A KR850005852 A KR 850005852A KR 1019850000665 A KR1019850000665 A KR 1019850000665A KR 850000665 A KR850000665 A KR 850000665A KR 850005852 A KR850005852 A KR 850005852A
Authority
KR
South Korea
Prior art keywords
poly
group
dispersion
carbonylalkyleneoxy
chain
Prior art date
Application number
KR1019850000665A
Other languages
English (en)
Other versions
KR930000074B1 (ko
Inventor
캠프벨 프레데릭
Original Assignee
알란 브리안 베크
임페리알 케미칼 인더스트리스 피엘씨
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 알란 브리안 베크, 임페리알 케미칼 인더스트리스 피엘씨 filed Critical 알란 브리안 베크
Publication of KR850005852A publication Critical patent/KR850005852A/ko
Application granted granted Critical
Publication of KR930000074B1 publication Critical patent/KR930000074B1/ko

Links

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
    • G11B5/842—Coating a support with a liquid magnetic dispersion
    • 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
    • G11B5/7013—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 dispersing agent
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • C08G63/08—Lactones or lactides
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
    • C08G63/682—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens
    • C08G63/6822—Polyesters containing atoms other than carbon, hydrogen and oxygen containing halogens derived from hydroxy carboxylic acids
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K23/00—Use of substances as emulsifying, wetting, dispersing, or foam-producing agents
    • C09K23/16—Amines or polyamines
    • 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
    • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
    • Y10S516/06—Protein or carboxylic compound containing
    • 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
    • Y10S516/00—Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/01—Wetting, emulsifying, dispersing, or stabilizing agents
    • Y10S516/07—Organic amine, amide, or n-base containing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Magnetic Record Carriers (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Paints Or Removers (AREA)
  • Colloid Chemistry (AREA)
  • Hard Magnetic Materials (AREA)
  • Soft Magnetic Materials (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기 입력 분산액
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (22)

  1. 폴리(카보닐알킬렌옥시)사슬 (알킬렌 그룹은 8개까지의 탄소원자를 함유함)을 가지는 아민 또는 이것의 산과의 염을 포함하는 분산제를 함유하는, 유기 액체내 있는 자기물징에 미세입자로된 분산액.
  2. 제1항에 있어서, 자기물질은 전이 금속 및 금속입자의 자기 산화물로부터 선택되는 분산액.
  3. 제2항에 있어서, 자기산화물질은 감마-Fe2O3, Fe3O4,코발트처리된 철 산화물, CrO2및 아철산 염으로부터 선택되는 분산액.
  4. 제1항에서 3항중 어느한 항에 있어서, 유기 액체는 자기 기록용 매체상의 자기입자를 위한 결합제로서 사용되는 필름형성용 수지를 위한 용매인 분산액.
  5. 제1항에서 4항중 어느한 항에 있어서, 유기액체는 케톤, 에스테르, 에테르 및 아미드와 그 혼합물 또는 탄화수소 및 염소화된 탄화수소와의 혼합물로부터 선택되는 분산액.
  6. 제1항에서 5항중 어느한 항에 있어서 아민은 다음 일반식을 갖는 분산액.
    X - Y - Z (1)
    식중, X는 폴리(카보닐알킬렌옥시) 사슬;
    Y는 가교기;
    Z는 아미노 그룹을 함유하는 유기기;
  7. 제1항에서 6항중 어느한 항에 있어서, 폴리(카보닐알킬 렌옥시) 사슬내의 알킬렌 그룹은 3-6개 탄소원자를 함유하는 분산액.
  8. 제7항에 있어서, 알킬렌 그룹은 펜타메틸렌 그룹인 분산액.
  9. 제1항에서 3항중 어느한 항에 있어서, 폴리(카보닐알킬렌옥시) 사슬은 3-80카보닐알킬렌옥시 단위를 함유하는 분산액.
  10. 제1항에 9항중 어느한 항에 있어서, 가교기 Y는 CO-O-(에스테르), -CO-NR(아미드) 및 -CO-O-+NT3(염) (R은 H 또는 C1-20알킬이고, T는 H 또는 유기기)로부터 선택되는 분산액.
  11. 제6항에서 10항중 어느한 항에 있어서, 아미노 그룹을 함유하는 유기기는 다음 일반식인 분산액.
    식중, A는 C1-4알킬렌;
    B는 H 또는 임의로 치환된 C1-4알킬;
    D는 임의로 치환된 C1-20알킬.
  12. 제11항에 있어서, B 및/또는 D는 메틸, 에틸, 라우릴, 옥타데실, 아미노에틸, 아미노에틸아미노에틸, 하이드록시에틸, 하이드록시에틸아미노에틸, 아미노에폭시에틸 및 폴리(C2-4-알킬렌이민)으로부터 선택된 분산액.
  13. 제12항에 있어서, B 및/또는 D는 600,000까지의 분자량을 가지는 폴리에틸렌이민인 분산액.
  14. 제1항에서 13항중 어느한항에 있어서, 분산액의 총중량에 기준하여 30중량※-90중량※의 자기물질 및 자기물질의 중량에 기준하여 0.25중량%-10중량%의 분산제를 함유하는 분산액.
  15. 제1항에서 14항중 어느한 항에 있어서, 분산액의 총중량에 기준하여 20중량%까지의 필름 형성용수지를 함유하는 분산액.
  16. 제1항에서 15항중 어느한 항에 있어서, 자기물질, 분산제 및 유기액체의 혼합물을 분쇄시켜 입자의응집을 막고 자기물질 입자의 길이를 그의 최 장축에 따라 5미크론을 넘지않도록 하는 것으로 구성된 분산액 제조방법.
  17. 자기물질의 미세입자가 분산된 필름 형성용 수지의 표면층을 가지는 기질 및 제1항에서 15항중 어느 한항에서 정의된 분산제를 함유하는 자기 기록용 매체.
  18. 제1항에 있어서, 아미드 또는 염 가교기에 의해 부착된 폴리(카보닐일킬렌옥시)사슬을 가지는 폴리(에틸렌 이민)을 포함하며, 알킬렌 옥시 그룹은 3-6개 탄소원자를 함유하고 폴리(카보닐알킬렌옥시)사슬은 3-80카보닐알킬렌옥시 그룹을 함유하는, 분산액에 사용하기 적당한 분산제.
  19. 제18항에 있어서, 폴리(에틸렌이민)을 25℃ - 250℃의 온도에서 3-80개 카보닐 C3-6-알킬렌옥시 그룹을 함유하는 폴리(카보닐-C3-6-알킬렌옥시)카복실 산과 반응시키는 것으로 구성된 분산제 제조방법.
  20. 제19항에 있어서, 폴리(카보닐-C3-6-알킬렌옥시)카복실산은 100℃-250℃의 온도에서 에스테르화 촉매의 존재하에 하이드록시알칸카복실산 또는 그 혼합물을 알칸 카복실산으로 중합시켜 원래의 자리에서 제조되는 방법.
  21. 제1항에 있어서, 아미드 또는 염 가교기에 의해 부착된 폴리(카보닐알킬렌옥시) 사슬을 가지는 아민의 산염을 포함하며, 알킬렌옥시 그룹은 3-6개 탄소원자를 함유하며 폴리(카보닐알킬렌옥시)사슬은 3-80개 카보닐알킬렌옥시 그룹을 함유하는, 분산액에 사용하기 적당한 분산제.
  22. 제21항에 있어서, 아민을 산, 산성염 또는 4원화제(quaternising agent)와 25℃-250℃의 온도에서 반응시키는 것으로 구성된 분산제 제조방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019850000665A 1984-02-02 1985-02-02 자기 입자 분산액 KR930000074B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB8402801 1984-02-02
GB848402801A GB8402801D0 (en) 1984-02-02 1984-02-02 Dispersion
GB8500179 1985-01-04

Publications (2)

Publication Number Publication Date
KR850005852A true KR850005852A (ko) 1985-09-26
KR930000074B1 KR930000074B1 (ko) 1993-01-08

Family

ID=10555980

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850000665A KR930000074B1 (ko) 1984-02-02 1985-02-02 자기 입자 분산액

Country Status (12)

Country Link
US (1) US4645611A (ko)
EP (1) EP0158406B1 (ko)
JP (2) JPH0749104B2 (ko)
KR (1) KR930000074B1 (ko)
AT (1) ATE35587T1 (ko)
AU (1) AU571936B2 (ko)
BR (1) BR8500305A (ko)
CA (1) CA1252799A (ko)
DE (1) DE3563663D1 (ko)
GB (2) GB8402801D0 (ko)
MX (1) MX166380B (ko)
ZA (1) ZA85305B (ko)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8531635D0 (en) * 1985-01-22 1986-02-05 Ici Plc Composition
US4604222A (en) * 1985-05-21 1986-08-05 Ferrofluidics Corporation Stable ferrofluid composition and method of making and using same
US4715977A (en) * 1985-04-22 1987-12-29 Union Carbide Corporation Magnetic coating compositions from carboxylic acid-grafted phenoxy resins
DE3731066A1 (de) * 1987-09-16 1989-04-06 Basf Ag Magnetische aufzeichnungstraeger
JP2725015B2 (ja) * 1988-03-11 1998-03-09 エヌオーケー株式会社 磁性流体の製造方法
AU616516B2 (en) * 1988-05-27 1991-10-31 Takeda Chemical Industries Ltd. Binders for magnetic recording media and magnetic recording media
EP0369045B1 (de) * 1988-11-15 1993-02-03 Hoechst Aktiengesellschaft Verfahren zur Herstellung von Keramischen Grünfolien
DE3921146A1 (de) * 1989-06-28 1991-01-10 Basf Ag Hochkoerzitiver magnetstreifen
DE4028202A1 (de) * 1990-09-06 1992-03-12 Basf Magnetics Gmbh Transferfolie mit magnetschichten
US5079086A (en) * 1990-10-11 1992-01-07 International Business Machines Corp. Magnetic recording media
DE4244354C2 (de) * 1991-12-28 1995-06-14 Hidefumi Hirai Verfahren zur Herstellung einer nicht-wäßrigen Dispersion von Teilchen eines Metalls und/oder einer Metallverbindung
GB9306222D0 (en) * 1993-03-25 1993-05-19 Zeneca Ltd Dispersants
US6011098A (en) * 1993-04-26 2000-01-04 Canon Kabushiki Kaisha Water-based ink
US5395743A (en) * 1993-12-22 1995-03-07 Eastman Kodak Company Photographic element having a transparent magnetic layer and a process of preparing the same
DE69526287T2 (de) * 1994-01-27 2002-10-31 Loctite (Ireland) Ltd., Dublin Zusammenstellungen und methoden zur anordnung anisotropisch leitender bahnen und verbindungen zwischen zwei sätzen von leitern
PE6995A1 (es) * 1994-05-25 1995-03-20 Procter & Gamble Composicion que comprende un polimero de polialquilenoamina etoxilado propoxilado como agente de separacion de sucio
US5851644A (en) * 1995-08-01 1998-12-22 Loctite (Ireland) Limited Films and coatings having anisotropic conductive pathways therein
US6402876B1 (en) 1997-08-01 2002-06-11 Loctite (R&D) Ireland Method of forming a monolayer of particles, and products formed thereby
EP0855049B1 (en) 1996-08-01 2005-11-09 Loctite (Ireland) Limited A method of forming a monolayer of particles, and products formed thereby
US5916641A (en) * 1996-08-01 1999-06-29 Loctite (Ireland) Limited Method of forming a monolayer of particles
US6977025B2 (en) * 1996-08-01 2005-12-20 Loctite (R&D) Limited Method of forming a monolayer of particles having at least two different sizes, and products formed thereby
DE19732251B4 (de) * 1997-07-26 2004-07-29 Byk-Chemie Gmbh Versalzungsprodukte von Polyaminen und deren Einsatz als Dispergiermittel für Pigmente und Füllstoffe
US6221921B1 (en) 1999-10-14 2001-04-24 Advanced Ceramics Research, Inc. Dispersant system and process for formulating non-aqueous siliceous particulate slurries
GB0009798D0 (en) 2000-04-20 2000-06-07 Avecia Ltd Dispersants
US6878799B2 (en) * 2001-03-12 2005-04-12 King Industries, Inc. Acid functional polymer dispersants
JP2002294121A (ja) * 2001-04-02 2002-10-09 Toyo Ink Mfg Co Ltd インキジェットインキ用分散剤及びインキジェットインキ
GB0316857D0 (en) * 2003-07-18 2003-08-20 Avecia Ltd Compositions
ATE385513T1 (de) * 2003-07-18 2008-02-15 Lubrizol Corp Zusammensetzungen
US7910022B2 (en) 2006-09-15 2011-03-22 Performance Indicator, Llc Phosphorescent compositions for identification
JP2008524401A (ja) 2004-12-20 2008-07-10 パフォーマンス インディケーター エルエルシー 高輝度、持続性のフォトルミネセンス配合物およびフォトルミネセンス品、ならびにその製造方法
DE602005016018D1 (de) 2004-12-21 2009-09-24 Lubrizol Ltd Zusammensetzungen
ATE432322T1 (de) * 2004-12-21 2009-06-15 Lubrizol Ltd Zusammensetzungen
CN101175559B (zh) 2005-05-12 2013-07-24 路博润有限公司 分散剂及其组合物
US7547894B2 (en) 2006-09-15 2009-06-16 Performance Indicator, L.L.C. Phosphorescent compositions and methods for identification using the same
ATE440126T1 (de) 2006-10-11 2009-09-15 Agfa Graphics Nv Nicht wässrige pigmentierte tintenstrahldruckfarben
DE602006008629D1 (de) 2006-10-11 2009-10-01 Agfa Graphics Nv Nichtwässrige, pigmentierte Tintenstrahldruckfarbe
EP1911816B1 (en) 2006-10-11 2010-07-07 Agfa Graphics N.V. Non-aqueous pigmented inkjet inks
US7923474B2 (en) * 2007-02-27 2011-04-12 Ppg Industries Ohio, Inc. Amine dispersants, organic dispersions and related coating compositions
US8039193B2 (en) 2007-09-13 2011-10-18 Performance Indicator Llc Tissue markings and methods for reversibly marking tissue employing the same
US7842128B2 (en) 2007-09-13 2010-11-30 Performance Indicatior LLC Tissue marking compositions
DE102008010687B4 (de) 2008-02-22 2014-05-15 Byk-Chemie Gmbh Netz- und Dispergiermittel, deren Herstellung und Verwendung
DE102008010705A1 (de) 2008-02-22 2009-08-27 Byk-Chemie Gmbh Netz- und Dispergiermittel, deren Herstellung und Verwendung
JP5285325B2 (ja) 2008-05-09 2013-09-11 理想科学工業株式会社 インクジェット用非水系顔料インクおよびインクジェット用非水系顔料インクセット
JP2010111845A (ja) 2008-10-10 2010-05-20 Riso Kagaku Corp インクジェット印刷方法及びインクセット
WO2011005819A1 (en) 2009-07-07 2011-01-13 Lubrizol Advanced Materials, Inc. Thermoplastic composition
CN101691424B (zh) * 2009-10-29 2013-05-08 中国科学院嘉兴绿色化学工程中心 含酰胺聚合物及其应用
KR20120006458A (ko) * 2010-07-12 2012-01-18 한화케미칼 주식회사 전도성 도료 조성물 및 이를 이용한 전도막의 제조방법
IT1404805B1 (it) 2011-02-10 2013-11-29 Lamberti Spa Disperdenti
CN104010638A (zh) * 2011-10-06 2014-08-27 株式会社Ihi 磁性组合物及其制造方法
US9328201B2 (en) 2011-11-25 2016-05-03 Basf Se Alkoxylated polyalkylenepolyamines
JP5495465B1 (ja) 2012-08-23 2014-05-21 バンドー化学株式会社 導電性ペースト
DE102013207673A1 (de) 2013-04-26 2014-10-30 Conti Temic Microelectronic Gmbh Gehäuse, Schaltungsanordnung, Antriebsanordnung sowie Verfahren zur Herstellung der Schaltungsanordnung
JP6200213B2 (ja) * 2013-06-10 2017-09-20 理想科学工業株式会社 油中水型エマルション接着剤
US9540596B2 (en) 2013-08-26 2017-01-10 The Procter & Gamble Company Compositions comprising alkoxylated polyamines having low melting points
JP6235290B2 (ja) * 2013-09-30 2017-11-22 理想科学工業株式会社 非水系顔料インク
JP6371523B2 (ja) 2013-12-27 2018-08-08 理想科学工業株式会社 インクジェット印刷方法及び非水系インクセット
JP6058599B2 (ja) * 2014-08-29 2017-01-11 富士フイルム株式会社 磁気記録媒体
TW201622806A (zh) 2014-11-24 2016-07-01 盧伯利索先進材料有限公司 用於使用噴墨墨水及噴墨墨水印表機對陶瓷磚上色之聚酯分散劑
WO2016154168A1 (en) 2015-03-23 2016-09-29 St. Jude Medical, Cardiology Division, Inc. Heart valve repair
USD802765S1 (en) 2016-05-13 2017-11-14 St. Jude Medical, Cardiology Division, Inc. Surgical stent
USD802764S1 (en) 2016-05-13 2017-11-14 St. Jude Medical, Cardiology Division, Inc. Surgical stent
USD802766S1 (en) 2016-05-13 2017-11-14 St. Jude Medical, Cardiology Division, Inc. Surgical stent
JP6167219B2 (ja) * 2016-12-07 2017-07-19 富士フイルム株式会社 磁気テープおよびその製造方法
JP7090399B2 (ja) 2017-02-21 2022-06-24 日本ペイント・オートモーティブコーティングス株式会社 水性塗料組成物および複層塗膜
GB201911721D0 (en) 2019-08-15 2019-10-02 Croda Int Plc Dispersant
EP3892756A1 (en) * 2020-04-07 2021-10-13 Heraeus Deutschland GmbH & Co KG Improved electrochemical wire coating
TW202230402A (zh) 2020-10-14 2022-08-01 日商味之素股份有限公司 磁性糊料
WO2022177010A1 (ja) 2021-02-22 2022-08-25 日本ペイント・オートモーティブコーティングス株式会社 複層塗膜

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3647539A (en) * 1970-02-09 1972-03-07 Ampex Magnetic recording tape and method for preparing the same
US3778287A (en) * 1970-12-22 1973-12-11 Ici Ltd Pigment dispersions
NL7614182A (nl) * 1976-12-21 1978-06-23 Philips Nv Magnetisch registratie-element waarin als dispergeermiddel een zout van een amine en een fosforzure ester wordt toegepast.
GB1596281A (en) * 1977-02-21 1981-08-26 Ici Ltd Dispersions
NL7704183A (nl) * 1977-04-18 1978-10-20 Philips Nv Magnetisch registreermedium waarin als disper- geermiddel een n-acylsarcosine derivaat wordt toegepast.
GB2001083B (en) * 1977-07-15 1982-06-30 Ici Ltd Dispersing agents dispersions containing these agents and paints and links made from the dispersions
US4224212A (en) * 1977-07-15 1980-09-23 Imperial Chemical Industries Limited Dispersing agents, dispersions containing these agents and paints and inks made from the dispersions
US4334887A (en) * 1980-02-05 1982-06-15 Akzona Incorporated Method for flocculating metal oxide particles in an organic medium
US4353834A (en) * 1981-01-28 1982-10-12 Basf Wyandotte Corporation Carbonate and carboxylic acid ester group-containing non-ionic surface-active agents

Also Published As

Publication number Publication date
GB2153804A (en) 1985-08-29
DE3563663D1 (en) 1988-08-11
EP0158406B1 (en) 1988-07-06
MX166380B (es) 1993-01-05
GB8500179D0 (en) 1985-02-13
JPH0677681B2 (ja) 1994-10-05
AU3774585A (en) 1985-08-08
EP0158406A1 (en) 1985-10-16
JPH0749104B2 (ja) 1995-05-31
CA1252799A (en) 1989-04-18
GB8402801D0 (en) 1984-03-07
KR930000074B1 (ko) 1993-01-08
JPH05177123A (ja) 1993-07-20
BR8500305A (pt) 1985-09-10
JPS60191023A (ja) 1985-09-28
ATE35587T1 (de) 1988-07-15
ZA85305B (en) 1985-09-25
AU571936B2 (en) 1988-04-28
US4645611A (en) 1987-02-24

Similar Documents

Publication Publication Date Title
KR850005852A (ko) 자기 입자 분산액
US3228882A (en) Dispersions of ferromagnetic cobalt particles
US4334887A (en) Method for flocculating metal oxide particles in an organic medium
US4608186A (en) Magnetic fluid
KR940022407A (ko) 자기 기록 매체
US4507217A (en) Magnetic compositions and magnetic memory devices prepared therefrom
US5357036A (en) Organic surface-treating agent
JPS6146890B2 (ko)
JPS62189625A (ja) 磁気記録媒体
KR950027700A (ko) 무기분말분사도료용결합제, 무기분말분산도료 및 자기기록매체
JPH09316370A (ja) 磁性体粒子および磁気記録媒体
EP0520988A1 (en) Superparamagnetic liquid colloids
US4429023A (en) Magnetic recording medium
JPS6055513A (ja) 磁気記録媒体
KR910006586B1 (ko) 자기 기록 매체
JP2831676B2 (ja) 磁気記録媒体
JPH07121862A (ja) 塗布型磁気記録媒体
KR910006585B1 (ko) 자기기록 매체
SU723667A1 (ru) Защитный антифрикционный слой носител магнитной записи
KR920009772B1 (ko) 자기기록 매체
JPH0628717B2 (ja) 界面活性剤およびその製造方法
Sumiya et al. The design of polymers for high density magnetic recording media
JPS57141017A (en) Magnetic recording medium
KR930016945A (ko) 자기기록매체
KR910013089A (ko) 자기기록매체의 제조방법

Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20031224

Year of fee payment: 12

LAPS Lapse due to unpaid annual fee