KR920703309A - 자기기록 매체용 폴리에스테르 필름 - Google Patents

자기기록 매체용 폴리에스테르 필름

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KR920703309A
KR920703309A KR1019920701343A KR920701343A KR920703309A KR 920703309 A KR920703309 A KR 920703309A KR 1019920701343 A KR1019920701343 A KR 1019920701343A KR 920701343 A KR920701343 A KR 920701343A KR 920703309 A KR920703309 A KR 920703309A
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South Korea
Prior art keywords
resin
thin film
polyester
resins
continuous thin
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KR1019920701343A
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English (en)
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KR0151172B1 (ko
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히데시 구리하라
쓰요시 나가이
사다요시 미우라
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이따가끼 히로시
데이진 가부시끼가이샤
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Priority claimed from JP26850990A external-priority patent/JP2543621B2/ja
Priority claimed from JP3159887A external-priority patent/JP2859467B2/ja
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Publication of KR920703309A publication Critical patent/KR920703309A/ko
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Publication of KR0151172B1 publication Critical patent/KR0151172B1/ko

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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/023—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets
    • B29C55/026—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets using multilayered plates or sheets of preformed plates or sheets coated with a solution, a dispersion or a melt of thermoplastic material
    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
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    • C08J7/042—Coating with two or more layers, where at least one layer of a composition contains a polymer binder
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    • C—CHEMISTRY; METALLURGY
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    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
    • G—PHYSICS
    • G11—INFORMATION STORAGE
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    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
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    • 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
    • G11B5/733—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 addition of non-magnetic particles
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    • 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
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    • G11B5/7356—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2
    • G11B5/7358—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 comprising non-magnetic particles in the back layer, e.g. particles of TiO2, ZnO or SiO2 specially adapted for achieving a specific property, e.g. average roughness [Ra]
    • 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
    • G11B5/739—Magnetic recording media substrates
    • G11B5/73923—Organic polymer substrates
    • G11B5/73927—Polyester substrates, e.g. polyethylene terephthalate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
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    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • 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
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Abstract

내용 없음

Description

자기기록 매체용 폴리에스테르 필름
[도면의 간단한 설명]
제1도는 샘플 필름 주행성을 평가하기 위한 동 마찰계수를 측정하는 장치의 모식도이다.
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (14)

  1. (1) 유기티탄 화합물을 중합 촉매로 사용하여 제조한 방향족 폴리에스테르의 이축 배향 기재 필름, (2) 상기 기재 필름의 한쪽 표면상에 설치되며, 또한 그위에 자기 기록층이 형성된 제1연속 박막으로, 상기 제1연속 박막은 (A1) 제1바인더 수지, 및 (B1) 평균 입경 0.1μm 이하의 제1미립자로 주로 구성된 조성물로 이루어졌고, 그의 표면상에 (C1) 기 제1미립자에서 유래하는 미소돌기가 1.0×104∼1.0×109돌기/mm2의 수로 존재하고 또한 표면 조도가 중심선 평균 조도로 0.001∼0.01μm이며, 및 (3) 상기 기재 필름의 다른쪽 표면상에 설치된 활면(slippery surface)을 형성하는 제2연속 박막, 상기 제2연속 박막은 (A2) 제2 바인더 수지, (A3) 셀룰로오스계수지, 및 (B2) 평균입경 0.15μm 이하의 제2미립자로 주로 구성된 조성물로 이루어졌고, (C2) 표면조도가 중심선 평균 조도로 0.002∼0.01μm인 것으로 이루어진 자기 기록 매체용 이축 배향 폴리에스테르 필름.
  2. 제1항에 있어서, 방향족 폴리에스테르(1)가 방향족 이염기산 또는 그의 에스테르 형성성 유도체와 지방족디올 또는 그의 에스테르 형성성 유도체로 부터 중축합에 의해 수득하는 실질적으로 선상 또는 포화된 이축배향 폴리에스테르 필름.
  3. 제1항에 있어서, 제1 연속 박막(2)의 제1 바인더 수지(A1)가 알키드 수지, 불포화폴리에스테르 수지, 포화 폴리에스테르 수지, 페놀수지, 에폭시수지, 아미노 수지, 폴리우레탄 수지, 초산비닐 수지, 염화비닐-초산비닐공중합수지, 아크릴 수지 및 아크릴-폴리에스테르계 수지로 이루어진 군으로부터 선택되는 이축 배향 폴리에스테르 필름.
  4. 제1항에 있어서, 상기 제1바인더 수지(A1)가 포화 폴리에스테르 수지, 아크릴 수지 및 아크릴-폴리에스테르 수지로 이루어진 군으로 부터 선택되는 1종 이상인 이축 배향 폴리에스테르 필름.
  5. 제1항에 있어서, 상기 제1 바인더 수지(A1)가 아크릴-폴리에스테르계 수지인 이축 배향 폴리에스테르필름.
  6. 제1항에 있어서, 제1연속 박막(2)의 제1미립자(B1)에서 유래하는 돌기가 제1연속 박막(2)의 표면상에 1.0×l04∼1.0×108돌기/mm2의 수도 존재하는 이축 배향 폴리에스테르 필름.
  7. 제1항에 있어서, 제1연속 박막(2)의 표면에 제1미립자(B1)에서 유래하는 미소돌기 이외에, 제1바인더수지(A1)만으로 형성된 미소돌기가 4.0×106돌기/mm2이하의 수로 존재하는 이축배향 폴리에스테르 필름.
  8. 제1항에 있어서, 제1연속 박막(2)는 제1바인더 수지(A1)와 제1미립자(B1)의 합계 중량에 대하여, 제1바인더 수지(A1)를 45∼99.9중량% 및 제1미립자를 0.1∼55중량%로 함유하는 이축 배향 폴리에스테르필름.
  9. 제1항에 있어서, 제2연속 박막(3)의 제2 바인더 수지(A2)가 알키드수지, 불포화 폴리에스테르수지, 포화폴리에스테르 수지, 페놀 수지, 에폭시 수지, 아미노 수지, 폴리우레탄 수지, 초산비닐 수지, 염화비닐-초산비닐 공중합 수지, 아크릴 수지 및 아크릴-폴리에스테르계 수지로 이루어진 군으로부터 선택되는 이축 배향폴리에스테르 필름.
  10. 제1항에 있어서, 상기 제2바인더 수지(A2)가 포화 폴리에스테르 수지, 아크릴 수지 및 아크릴-폴리에스테르계 수지로 이루어진 군으로부터 선택되는 1종 이상인 이축 배향 폴리 에스테르 필름.
  11. 제1항에 있어서, 상기 제2 바인더 수지(A2)가 아크릴-폴리에스테르계 수지인 이축 배향 폴리에스테르 필름.
  12. 제1항에 있어서, 상기 셀룰로오스계 수지(A3)가 에틸 셀룰로오스 메틸 셀룰로오스, 아세틸 셀룰로오스 아세토아세틸 셀룰로오스, 니트로셀룰로오스 카르복실화 셀룰로오스, 카르복시메틸셀룰로오스 및 셀룰로오스, 아세테이트 부틸 레이트로 이루어진 군으로 부터 선택되는 이축 배향 폴리에스테르 필름.
  13. 제1항에 있어서, 제2연속 박막(3)이 제2바인더 수지(A2), 셀룰 로오스계 수지(A3) 및 제2미립자(B2)의 합계 중량에 대하여 제2바인더 수지를 30∼85중량% 셀룰로오스계 수지를 10∼50중량% 및 제2미립자를 5∼30중량% 함유하는 이축 배향 폴리에스테르 필름.
  14. 제1항의 이축 배향 폴리에스테르 필름의 제1박막의 표면상에 자기 층을 설치하여 이루어진 자기기록매체.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920701343A 1990-10-08 1991-10-07 자기기록 매체용 폴리에스테르 필름 KR0151172B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP90-268509 1990-10-08
JP26850990A JP2543621B2 (ja) 1990-10-08 1990-10-08 磁気記録媒体用ポリエステルフイルム
JP91-159887 1991-06-05
JP3159887A JP2859467B2 (ja) 1991-06-05 1991-06-05 磁気記録媒体用ポリエステルフイルム
PCT/JP1991/001365 WO1992005942A1 (en) 1990-10-08 1991-10-07 Polyester film for magnetic recording media

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KR920703309A true KR920703309A (ko) 1992-12-17
KR0151172B1 KR0151172B1 (ko) 1999-05-15

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US (1) US5306538A (ko)
EP (1) EP0504416B1 (ko)
KR (1) KR0151172B1 (ko)
DE (1) DE69124793T2 (ko)
WO (1) WO1992005942A1 (ko)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69233633T2 (de) * 1991-12-25 2007-05-16 Teijin Ltd. Polyesterfilm für magnetische Aufzeichnung
EP0568008A1 (en) * 1992-04-30 1993-11-03 Diafoil Hoechst Co., Ltd Laminated polyethylene 2,6-naphthalate film
US5510169A (en) * 1994-10-14 1996-04-23 Minnesota Mining And Manufacturing Company Magnetic recording medium with backside coating containing polymeric particles
KR0167151B1 (ko) * 1995-12-13 1999-03-20 장용균 이축배향 폴리에스테르 필름 및 그 제조방법
US5674618A (en) * 1995-12-13 1997-10-07 Skc Limited Biaxially oriented polyester film
JPH10157024A (ja) * 1996-11-29 1998-06-16 Teijin Ltd 積層フイルム
DE69819447T2 (de) * 1997-04-30 2004-09-09 Teijin Ltd. Niedrigelektrisierbare polyesterverbundfolie
EP1069553B1 (en) * 1999-07-12 2006-09-13 Teijin Limited Magnetic recording medium and polyester film therefor
KR20030070823A (ko) * 2002-02-26 2003-09-02 도레이 가부시끼가이샤 자기기록매체용 폴리에스테르 필름, 자기기록테이프 및디지탈 기록장치
JP2004005789A (ja) 2002-05-30 2004-01-08 Toray Ind Inc 磁気記録媒体用ポリエステルフィルム及び磁気記録テープ
JP2004265466A (ja) * 2003-02-07 2004-09-24 Toray Ind Inc 記録媒体用ポリエステルフィルム及び磁気記録テープ
CN105038477A (zh) * 2015-08-30 2015-11-11 娄尤来 一种高表面张力的包装用转移涂料制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4153781A (en) * 1972-01-24 1979-05-08 Rhone-Poulenc-Textile Method of producing polyesters
JPS5698719A (en) * 1980-01-10 1981-08-08 Fuji Photo Film Co Ltd Magnetic recording medium
JPS58200427A (ja) * 1982-05-19 1983-11-22 Fuji Photo Film Co Ltd 磁気記録媒体
EP0203604B1 (en) * 1985-05-29 1990-08-22 Teijin Limited Polyester film for magnetic recording media
JPH066633B2 (ja) * 1987-06-12 1994-01-26 帝人株式会社 平坦・易滑性ポリエステルフイルム
JPH07119099B2 (ja) * 1989-02-08 1995-12-20 帝人株式会社 磁気記録媒体用ベースフイルム

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DE69124793D1 (de) 1997-04-03
US5306538A (en) 1994-04-26
DE69124793T2 (de) 1997-07-31
EP0504416A4 (en) 1993-06-30
WO1992005942A1 (en) 1992-04-16
EP0504416B1 (en) 1997-02-26
EP0504416A1 (en) 1992-09-23

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