KR930008726A - 알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 - Google Patents

알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 Download PDF

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Publication number
KR930008726A
KR930008726A KR1019920018534A KR920018534A KR930008726A KR 930008726 A KR930008726 A KR 930008726A KR 1019920018534 A KR1019920018534 A KR 1019920018534A KR 920018534 A KR920018534 A KR 920018534A KR 930008726 A KR930008726 A KR 930008726A
Authority
KR
South Korea
Prior art keywords
magnetic
radiation curable
curable polymer
methylstyrene
dispersion
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
KR1019920018534A
Other languages
English (en)
Korean (ko)
Inventor
크리스 하이도스 죤
토르 로토 넬슨
라크시미나라심하이아 아루디 라빈드라
Original Assignee
게리 엘. 그리스올드
미네소타 마이닝 앤드 매뉴팩츄어링 컴패니
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 게리 엘. 그리스올드, 미네소타 마이닝 앤드 매뉴팩츄어링 컴패니 filed Critical 게리 엘. 그리스올드
Publication of KR930008726A publication Critical patent/KR930008726A/ko
Abandoned legal-status Critical Current

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
    • G11B5/62—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
    • G11B5/702—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 bonding agent
    • G11B5/7026—Radiation curable polymers
    • 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
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7021—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 bonding agent containing a polyurethane or a polyisocyanate
    • 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
    • G11B5/702—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 bonding agent
    • G11B5/7023—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 bonding agent containing polyesters, polyethers, silicones, polyvinyl resins, polyacrylresins or epoxy resins
    • 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
    • G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
    • G11B5/735—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer characterised by the back layer

Landscapes

  • Paints Or Removers (AREA)
  • Magnetic Record Carriers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Macromonomer-Based Addition Polymer (AREA)
KR1019920018534A 1991-10-09 1992-10-08 알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체 Abandoned KR930008726A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/775,145 US5380905A (en) 1991-10-09 1991-10-09 Magnetic recording medium having radiation curable binder with α-methylstyrene unsaturation
US07/775,145 1991-10-09

Publications (1)

Publication Number Publication Date
KR930008726A true KR930008726A (ko) 1993-05-21

Family

ID=25103460

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920018534A Abandoned KR930008726A (ko) 1991-10-09 1992-10-08 알파-메틸스티렌 불포화를 갖는 방사선 경화가능한 결합제를 포함하는 자기기록 매체

Country Status (6)

Country Link
US (2) US5380905A (enExample)
EP (2) EP0709831B1 (enExample)
JP (2) JP3357401B2 (enExample)
KR (1) KR930008726A (enExample)
CN (1) CN1071520A (enExample)
DE (2) DE69213636T2 (enExample)

Families Citing this family (26)

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JPH07166114A (ja) * 1993-10-12 1995-06-27 Orient Chem Ind Ltd 発色性記録材料用修正液
US5503938A (en) * 1994-10-26 1996-04-02 Minnesota Mining And Manufacturing Company Self-wetting binders for magnetic media
US6265060B1 (en) * 1995-03-15 2001-07-24 Imation Corp. Magnetic recording medium incorporating fluorine-containing, solvent-soluble vinyl copolymer having no vinyl chloride or vinylidene chloride components
AU2327300A (en) 1999-02-10 2000-08-29 Hitachi Maxell, Ltd. Magnetic recording medium, and magnetic powder and method for preparing the same
US6541109B1 (en) 1999-10-08 2003-04-01 3M Innovative Properties Company Release coating formulation providing low adhesion release surfaces for pressure sensitive adhesives
US6610426B2 (en) * 2000-10-12 2003-08-26 Fuji Photo Film Co., Ltd. Magnetic recording medium containing a binder of trifunctional or higher aliphatic (meth) acrylate compound
JP3886968B2 (ja) * 2002-03-18 2007-02-28 日立マクセル株式会社 磁気記録媒体および磁気記録カートリッジ
US7494728B2 (en) * 2002-04-25 2009-02-24 Hitachi Maxell, Ltd. Magnetic tape and magnetic tape cartridge
US6964811B2 (en) * 2002-09-20 2005-11-15 Hitachi Maxell, Ltd. Magnetic powder, method for producing the same and magnetic recording medium comprising the same
WO2004075179A1 (ja) * 2003-02-19 2004-09-02 Hitachi Maxell, Ltd. 磁気記録媒体
US7135122B2 (en) * 2004-03-31 2006-11-14 Freudenberg-Nok General Partnership Polytetrafluoroethylene composites
US7521508B2 (en) * 2004-06-30 2009-04-21 Freudenberg-Nok General Partnership Electron beam inter-curing of plastic and elastomer blends
US7244329B2 (en) * 2004-06-30 2007-07-17 Freudenberg-Nok General Partnership Electron beam curing in a composite having a flow resistant adhesive layer
US20060000801A1 (en) * 2004-06-30 2006-01-05 Park Edward H Surface bonding in halogenated polymeric components
US7342072B2 (en) 2004-06-30 2008-03-11 Freudenberg-Nok General Partnership Bimodal compounds having an elastomeric moiety
US7452577B2 (en) * 2004-06-30 2008-11-18 Freudenberg-Nok General Partnership Electron beam curing of fabricated polymeric structures
US7230038B2 (en) * 2004-06-30 2007-06-12 Freudenberg-Nok General Partnership Branched chain fluoropolymers
US7381765B2 (en) * 2004-11-08 2008-06-03 Freudenberg-Nok General Partnership Electrostatically dissipative fluoropolymers
US20060099368A1 (en) * 2004-11-08 2006-05-11 Park Edward H Fuel hose with a fluoropolymer inner layer
US20060100368A1 (en) * 2004-11-08 2006-05-11 Park Edward H Elastomer gum polymer systems
US20070044906A1 (en) * 2005-08-31 2007-03-01 Freudenberg-Nok General Partnership Multilayer polymeric composites having a layer of dispersed fluoroelastomer in thermoplastic
US20070048476A1 (en) * 2005-08-31 2007-03-01 Freudenberg-Nok General Partnership Assemblies sealed with multilayer composite compression seals having a layer of dispersed fluoroelastomer in thermoplastic
US20070045967A1 (en) * 2005-08-31 2007-03-01 Freudenberg-Nok General Partnership Assemblies sealed with multilayer composite torsion seals having a layer of dispersed fluoroelastomer in thermoplastic
US7863365B2 (en) 2006-12-20 2011-01-04 Freudenberg-Nok General Partnership Robust magnetizable elastomeric thermoplastic blends
JP5104053B2 (ja) * 2007-06-15 2012-12-19 東洋インキＳｃホールディングス株式会社 コーティング用組成物の製造方法
CN103160147A (zh) * 2011-12-14 2013-06-19 吴江市冰心文教用品有限公司 一种磁性颜料

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE230957C (enExample) *
US4448846A (en) * 1980-09-22 1984-05-15 Ampex Corporation Radiation-cured magnetic media and process for making same
JPS58146043A (ja) * 1982-02-25 1983-08-31 Matsushita Electric Ind Co Ltd 光磁気記録媒体
US4429096A (en) * 1983-06-01 1984-01-31 American Cyanamid Company Quaternary amine carbamate or urea compounds based on isopropenyl-α,α-dimethylbenzyl isocyanate
US4632957A (en) * 1984-09-04 1986-12-30 Ppg Industries, Inc. Ethylenically unsaturated ethylene and propylene ureas containing alkylene urea groups or alkylene urethane groups, useful in coating compositions
JPH064692B2 (ja) * 1984-11-02 1994-01-19 武田薬品工業株式会社 ウレタン樹脂組成物
JPH0723969B2 (ja) * 1984-11-21 1995-03-15 キヤノン株式会社 トナ−の製造方法
US4853478A (en) * 1985-12-16 1989-08-01 The Goodyear Tire & Rubber Company Functionalized monomers from 1-(1-isocyanato-1-methlethyl)-3 or 4-(1-methylethenyl) benzene
US4663184A (en) * 1985-10-22 1987-05-05 Minnesota Mining And Manufacturing Company Radiation curable phosphorate ester compounds
US4976989A (en) * 1986-03-05 1990-12-11 Fuji Photo Film Co., Ltd. Method for preparing a magnetic recording medium
US4889895A (en) * 1986-05-28 1989-12-26 Minnesota Mining And Manufacturing Company Electron beam curable copolymer useful in recording media
US4761435A (en) * 1986-10-03 1988-08-02 Desoto, Inc. Polyamine-polyene ultraviolet coatings
JPH0677317B2 (ja) * 1986-10-16 1994-09-28 富士写真フイルム株式会社 磁気記録媒体の製造方法
US4788303A (en) * 1986-11-03 1988-11-29 American Cyanamid Company Epoxidized isocyanates and process for their preparation
US4769419A (en) * 1986-12-01 1988-09-06 Dawdy Terrance H Modified structural adhesives
JPS63162664A (ja) * 1986-12-26 1988-07-06 Takeda Chem Ind Ltd ウレタン基含有ビニル化合物，それを含有する被覆，接着用組成物および磁気記録媒体
US4839230A (en) * 1988-01-25 1989-06-13 Eastman Kodak Company Radiation-polymerizable cellulose esters
DE68917543T2 (de) * 1988-06-30 1994-12-22 Kawasaki Steel Co Copolymer von polymerisierbaren Komponenten in Benzinöl und Maleinsäure-Anhydrid, Verfahren zur Herstellung dieses Copolymers und Derivate davon.
JP2668422B2 (ja) * 1988-11-15 1997-10-27 株式会社サクラクレパス 中芯式筆記具用水性顔料インキ組成物
US5179170A (en) * 1989-04-17 1993-01-12 Kawasaki Steel Corporation Dispersant and cement admixture
JPH0359647A (ja) * 1989-07-28 1991-03-14 Konica Corp 帯電防止処理をしたハロゲン化銀写真感光材料

Also Published As

Publication number Publication date
US5380905A (en) 1995-01-10
EP0709831B1 (en) 1998-12-16
EP0709831A2 (en) 1996-05-01
DE69227928D1 (de) 1999-01-28
JP3357401B2 (ja) 2002-12-16
DE69213636D1 (de) 1996-10-17
JP2002155124A (ja) 2002-05-28
EP0536956B1 (en) 1996-09-11
CN1071520A (zh) 1993-04-28
DE69227928T2 (de) 1999-08-05
EP0709831A3 (enExample) 1996-05-15
EP0536956A1 (en) 1993-04-14
JPH05217148A (ja) 1993-08-27
US5523115A (en) 1996-06-04
DE69213636T2 (de) 1997-03-27

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Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19921008

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19970926

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19921008

Comment text: Patent Application

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20000218

NORF Unpaid initial registration fee
PC1904 Unpaid initial registration fee