BR8500305A - Dispersao de particulas finamente divididas de um material magnetico,processo para a preparacao de uma dispersao,meio de gravacao magnetica,dispersante adequado para uso em uma dispersao e processo para a preparacao de um dispersante - Google Patents

Dispersao de particulas finamente divididas de um material magnetico,processo para a preparacao de uma dispersao,meio de gravacao magnetica,dispersante adequado para uso em uma dispersao e processo para a preparacao de um dispersante

Info

Publication number
BR8500305A
BR8500305A BR8500305A BR8500305A BR8500305A BR 8500305 A BR8500305 A BR 8500305A BR 8500305 A BR8500305 A BR 8500305A BR 8500305 A BR8500305 A BR 8500305A BR 8500305 A BR8500305 A BR 8500305A
Authority
BR
Brazil
Prior art keywords
dispersion
preparation
dispersant
recording media
magnetic material
Prior art date
Application number
BR8500305A
Other languages
English (en)
Inventor
Frederick Campbell
Peter Kingsley Davies
John David Schofield
Original Assignee
Ici Plc
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 Ici Plc filed Critical Ici Plc
Publication of BR8500305A publication Critical patent/BR8500305A/pt

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)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (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)
  • Colloid Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Paints Or Removers (AREA)
  • Hard Magnetic Materials (AREA)
  • Compounds Of Iron (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Soft Magnetic Materials (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
BR8500305A 1984-02-02 1985-01-24 Dispersao de particulas finamente divididas de um material magnetico,processo para a preparacao de uma dispersao,meio de gravacao magnetica,dispersante adequado para uso em uma dispersao e processo para a preparacao de um dispersante BR8500305A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848402801A GB8402801D0 (en) 1984-02-02 1984-02-02 Dispersion

Publications (1)

Publication Number Publication Date
BR8500305A true BR8500305A (pt) 1985-09-10

Family

ID=10555980

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8500305A BR8500305A (pt) 1984-02-02 1985-01-24 Dispersao de particulas finamente divididas de um material magnetico,processo para a preparacao de uma dispersao,meio de gravacao magnetica,dispersante adequado para uso em uma dispersao e processo para a preparacao de um dispersante

Country Status (12)

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

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
ATE85315T1 (de) * 1988-11-15 1993-02-15 Hoechst Ag Verfahren zur herstellung von keramischen gruenfolien.
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
US6051614A (en) * 1991-12-28 2000-04-18 Hidefumi Hirai Method for preparing a non-aqueous dispersion of particles of a metal and/or a metal compound
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
CA2158941A1 (en) * 1994-01-27 1995-08-03 Ciaran Bernard Mcardle Compositions and methods for providing anisotropic conductive pathways and bonds between two sets of conductors
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
WO1998006007A1 (en) 1996-08-01 1998-02-12 Loctite (Ireland) Limited A method of forming a monolayer of particles, and products formed thereby
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
US5916641A (en) * 1996-08-01 1999-06-29 Loctite (Ireland) Limited Method of forming a monolayer of particles
US6402876B1 (en) 1997-08-01 2002-06-11 Loctite (R&D) Ireland Method of forming a monolayer of particles, 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
KR101067082B1 (ko) 2003-07-18 2011-09-22 더루브리졸코오퍼레이션 조성물
US7910022B2 (en) 2006-09-15 2011-03-22 Performance Indicator, Llc Phosphorescent compositions for identification
EP1833943A4 (en) 2004-12-20 2011-09-28 Performance Indicator Llc HIGH-INTENSITY PERSISTENT PHOTOLUMINESCENT PREPARATIONS AND OBJECTS, AND METHODS OF MANUFACTURING THE SAME
WO2006068813A1 (en) * 2004-12-21 2006-06-29 Noveon, Inc. Compositions
EP2093254B1 (en) 2004-12-21 2011-08-24 Lubrizol Limited Compositions
WO2006124264A1 (en) 2005-05-12 2006-11-23 Lubrizol Limited Dispersants and compositions thereof
US7547894B2 (en) 2006-09-15 2009-06-16 Performance Indicator, L.L.C. Phosphorescent compositions and methods for identification using the same
EP1911816B1 (en) 2006-10-11 2010-07-07 Agfa Graphics N.V. Non-aqueous pigmented inkjet inks
DE602006008629D1 (de) 2006-10-11 2009-10-01 Agfa Graphics Nv Nichtwässrige, pigmentierte Tintenstrahldruckfarbe
ATE440126T1 (de) 2006-10-11 2009-09-15 Agfa Graphics Nv Nicht wässrige pigmentierte tintenstrahldruckfarben
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
EP2451877B1 (en) 2009-07-07 2016-03-02 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
TWI433902B (zh) * 2010-07-12 2014-04-11 Hanwha Chemical Corp 導電性漆料組合物與使用該組合物製造導電性薄膜之方法
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
CN103958567B (zh) 2011-11-25 2016-10-12 巴斯夫欧洲公司 烷氧基化聚亚烷基多胺
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
PL3039109T3 (pl) 2013-08-26 2018-01-31 Procter & Gamble Kompozycje zawierające alkoksylowane poliaminy o niskiej temperaturze topnienia
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
US10456256B2 (en) 2015-03-23 2019-10-29 St. Jude Medical, Cardiology Division, Inc Heart valve repair
USD802764S1 (en) 2016-05-13 2017-11-14 St. Jude Medical, Cardiology Division, Inc. Surgical stent
USD802765S1 (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
DE3563663D1 (en) 1988-08-11
JPS60191023A (ja) 1985-09-28
GB8402801D0 (en) 1984-03-07
GB2153804A (en) 1985-08-29
JPH0677681B2 (ja) 1994-10-05
ATE35587T1 (de) 1988-07-15
AU3774585A (en) 1985-08-08
GB8500179D0 (en) 1985-02-13
JPH0749104B2 (ja) 1995-05-31
US4645611A (en) 1987-02-24
AU571936B2 (en) 1988-04-28
CA1252799A (en) 1989-04-18
ZA85305B (en) 1985-09-25
KR930000074B1 (ko) 1993-01-08
JPH05177123A (ja) 1993-07-20
MX166380B (es) 1993-01-05
KR850005852A (ko) 1985-09-26
EP0158406A1 (en) 1985-10-16
EP0158406B1 (en) 1988-07-06

Similar Documents

Publication Publication Date Title
BR8500305A (pt) Dispersao de particulas finamente divididas de um material magnetico,processo para a preparacao de uma dispersao,meio de gravacao magnetica,dispersante adequado para uso em uma dispersao e processo para a preparacao de um dispersante
UA19162A (uk) Спосіб одержаhhя аhтибіотика s541, штами стрептоміцетів - продуцеhти аhтибіотика s541
ES2105256T3 (es) Fluidos magnetorreologicos y metodos para su produccion.
CA2018228A1 (en) Cell culture systems and media
DK306890D0 (da) Udtrykkelse af celleproliferation med decorin
KR850002633A (ko) 자기 기록매체
JPS57150132A (en) Magnetic recording medium
KR840004442A (ko) 란카시딘의 개량 제조방법
KR950704387A (ko) 방사선 경화성 올리고머 및 이로부터 제조된 자기 기록 매체(radiati0n curable oligomers and magnetic rec0rding media prepared therefrom)
KR890008325A (ko) 아미노디옥시 만니톨의 제법
EP0285569A3 (en) Method for culturing microorganisms
JPS5712420A (en) Magnetic recording medium
BR9607762A (pt) Meio de gravação magnético em forma de fita, pigmentos, processo para a preparação dos pigmentos, para a modificação, e para a modificação anisotrópica, das propriedades mecanicas de materiais poliméricos, uso dos pigmentos, e, misturas.
JPS5712414A (en) Magnetic recording medium
KR830005357A (ko) 나라신의 제조방법
KR910012253A (ko) 폴리-3-히드록시부티르산의 생합성 방법
KR890007231A (ko) 자기기록매체
MY106230A (en) Thermoplastic polyurethanes having improved binder properties for magnetic media recording.
SU917208A1 (ru) Магнитный материал дл изготовлени носител магнитной записи
Vidal et al. Grafting of Organic Molecules and Polymers on Solid Surfaces
KR870001551A (ko) 자기기록매체
KR920013293A (ko) 자기 기록 매체의 제조방법
Mochida et al. STRUCTURE AND SYNTHESIS OF SHOT COKE.
KR880006655A (ko) 수직 자기 기록용 Co-Cr자성 기록 매체
KR920008680A (ko) 자기 기록 매체

Legal Events

Date Code Title Description
PC Transfer

Free format text: ZENECA LIMITED (GB). TRANSFERIDO DE: IMPERIAL CHEMICAL INDUSTRIES PLC.

HIT Transfer or change cancelled
PCR Transfer refused
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 24/01/2000

B15K Others concerning applications: alteration of classification

Ipc: G11B 5/70 (2006.01), B01F 17/00 (2006.0