DE60118082D1 - Polyesterfilm und magnetisches Aufzeichnungsmedium der diesen benutzt - Google Patents

Polyesterfilm und magnetisches Aufzeichnungsmedium der diesen benutzt

Info

Publication number
DE60118082D1
DE60118082D1 DE60118082T DE60118082T DE60118082D1 DE 60118082 D1 DE60118082 D1 DE 60118082D1 DE 60118082 T DE60118082 T DE 60118082T DE 60118082 T DE60118082 T DE 60118082T DE 60118082 D1 DE60118082 D1 DE 60118082D1
Authority
DE
Germany
Prior art keywords
polyester film
magnetic recording
polyester
resin
recording medium
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.)
Expired - Lifetime
Application number
DE60118082T
Other languages
English (en)
Other versions
DE60118082T2 (de
Inventor
Akira Kubota
Kenichi Eto
Yukari Nakamori
Tetsuya Tsunekawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26605745&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE60118082(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from JP2000378815A external-priority patent/JP4543546B2/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Publication of DE60118082D1 publication Critical patent/DE60118082D1/de
Application granted granted Critical
Publication of DE60118082T2 publication Critical patent/DE60118082T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • 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
    • 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
    • G11B5/73929—Polyester substrates, e.g. polyethylene terephthalate comprising naphthalene ring compounds, e.g. polyethylene naphthalate substrates
    • 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
    • G11B5/73931—Two or more layers, at least one layer being polyester
    • 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
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
    • 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
    • C08J2379/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2361/00 - C08J2377/00
    • C08J2379/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08J2379/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L79/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen or carbon only, not provided for in groups C08L61/00 - C08L77/00
    • C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L81/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur with or without nitrogen, oxygen or carbon only; Compositions of polysulfones; Compositions of derivatives of such polymers
    • C08L81/06—Polysulfones; Polyethersulfones
    • 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
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • 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.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31721—Of polyimide
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31725—Of polyamide
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Materials Engineering (AREA)
  • Magnetic Record Carriers (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)
DE2001618082 2000-12-13 2001-12-11 Polyesterfilm und magnetisches Aufzeichnungsmedium der diesen benutzt Expired - Lifetime DE60118082T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2000378814 2000-12-13
JP2000378815 2000-12-13
JP2000378814 2000-12-13
JP2000378815A JP4543546B2 (ja) 2000-12-13 2000-12-13 磁気記録媒体用ポリエステルフィルム

Publications (2)

Publication Number Publication Date
DE60118082D1 true DE60118082D1 (de) 2006-05-11
DE60118082T2 DE60118082T2 (de) 2006-08-24

Family

ID=26605745

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2001618082 Expired - Lifetime DE60118082T2 (de) 2000-12-13 2001-12-11 Polyesterfilm und magnetisches Aufzeichnungsmedium der diesen benutzt

Country Status (7)

Country Link
US (1) US6783889B2 (de)
EP (1) EP1215043B1 (de)
KR (1) KR100818603B1 (de)
CN (1) CN1295076C (de)
AT (1) ATE320917T1 (de)
DE (1) DE60118082T2 (de)
MY (1) MY140681A (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69936497T2 (de) * 1998-09-11 2008-04-03 Toray Industries, Inc. Mehrschichtige, biaxial orientierte Polyesterfolie und Verfahren zu ihrer Herstellung
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
US6919422B2 (en) * 2003-06-20 2005-07-19 General Electric Company Polyimide resin with reduced mold deposit
US7147906B2 (en) 2003-06-24 2006-12-12 General Electric Company Data storage medium comprising polyimides
JP4534574B2 (ja) * 2004-04-23 2010-09-01 富士フイルム株式会社 磁気記録媒体
KR100943234B1 (ko) * 2005-05-16 2010-02-18 에스케이에너지 주식회사 액-액 상분리에 의하여 제조된 폴리에틸렌 미세다공막 및그 제조방법
TW200734402A (en) * 2005-10-06 2007-09-16 Solvay Advanced Polymers Llc High-performance poly(aryl ether sulfone) composition
WO2007081548A2 (en) * 2006-01-06 2007-07-19 Pliant Corporation Method of stretching a filled film to make it microporous and breathable
DE102006005942A1 (de) * 2006-02-09 2007-08-23 Bayerische Motoren Werke Ag Verfahren zur Unterstützung der Fehlersuche für ein Kraftfahrzeug
DE602008004686D1 (de) 2007-04-12 2011-03-10 Solvay Advanced Polymers Llc Hochleistungs-Polysulfon-Zusammensetzung
US20090045544A1 (en) * 2007-08-14 2009-02-19 General Electric Company Method for manufacturing ultra-thin polymeric films
JP5590481B2 (ja) * 2008-01-17 2014-09-17 独立行政法人産業技術総合研究所 複合化高分子材料、およびこれを含む光学材料
US8546516B2 (en) * 2010-06-15 2013-10-01 Sabic Innovative Plastics Ip B.V. Transparent polyimide-polyester compositions, method of manufacture, and articles thereof
EP2787027A4 (de) * 2011-12-02 2015-07-22 Toray Industries Polyesterfolie, solarzellen-rückseitenfolie und solarzelle
JP6042251B2 (ja) * 2013-03-28 2016-12-14 リンテック株式会社 粘着シート
KR20150010519A (ko) 2013-07-19 2015-01-28 삼성전자주식회사 연자성 자기교환결합 복합 구조체 및 이를 포함한 고주파소자 부품, 안테나 모듈 및 자기저항소자
JP6771828B2 (ja) 2015-02-03 2020-10-21 サビック グローバル テクノロジーズ ビー．ブイ． キャパシターフィルム用のポリエーテルイミド混和性ポリマーブレンド
WO2016126291A1 (en) * 2015-02-03 2016-08-11 Sabic Global Technologies, B.V. Polyetherimide compatible polymer blends for capacitor films
JP6700915B2 (ja) * 2016-03-31 2020-05-27 富士フイルム株式会社 磁気記録媒体および磁気記録媒体用組成物
CN110713615A (zh) * 2019-10-30 2020-01-21 深圳烯湾科技有限公司 碳纳米管/聚酰亚胺复合材料膜及其制备方法
KR20230024007A (ko) * 2021-08-11 2023-02-20 코오롱인더스트리 주식회사 이축 연신 폴리에스테르 필름의 제조 방법

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05258290A (ja) * 1992-03-10 1993-10-08 Sony Corp 磁気記録媒体
US5686166A (en) * 1994-06-23 1997-11-11 Toray Industries, Inc. Magnetic recording medium having specified base film surface characteristics
TW340862B (en) * 1994-06-24 1998-09-21 Toray Industries Thermal-layered polyester film for metal plate
JP3787390B2 (ja) * 1996-06-19 2006-06-21 キヤノン株式会社 文字データ作成装置および文字データ作成方法
JP3770507B2 (ja) * 1996-10-08 2006-04-26 東レ株式会社 白色ポリエステルフィルムおよびその製造方法
DE69936497T2 (de) 1998-09-11 2008-04-03 Toray Industries, Inc. Mehrschichtige, biaxial orientierte Polyesterfolie und Verfahren zu ihrer Herstellung
JP3409771B2 (ja) * 1999-04-15 2003-05-26 東レ株式会社 ポリエステルフィルムとその製造方法
DE60037644T2 (de) * 1999-08-25 2009-01-08 Toray Industries, Inc. Biaxial orientierter film und magnetischer aufzeichnungsträger
KR20010075121A (ko) * 1999-08-27 2001-08-09 히라이 가쯔히꼬 적층필름 및 그것을 이용한 증착필름
JP2001243616A (ja) * 1999-12-24 2001-09-07 Toray Ind Inc 磁気記録媒体用ポリエステルフィルムおよび磁気記録テープ
JP2001243615A (ja) * 2000-03-01 2001-09-07 Toray Ind Inc 磁気記録媒体用ポリエステルフィルムロールおよび磁気記録媒体の製造方法

Also Published As

Publication number Publication date
EP1215043B1 (de) 2006-03-22
DE60118082T2 (de) 2006-08-24
KR100818603B1 (ko) 2008-04-01
CN1295076C (zh) 2007-01-17
ATE320917T1 (de) 2006-04-15
US20020114977A1 (en) 2002-08-22
EP1215043A1 (de) 2002-06-19
MY140681A (en) 2010-01-15
US6783889B2 (en) 2004-08-31
KR20020046937A (ko) 2002-06-21
CN1358624A (zh) 2002-07-17

Similar Documents

Publication Publication Date Title
ATE320917T1 (de) Polyesterfilm und magnetisches aufzeichnungsmedium der diesen benutzt
DE69412005D1 (de) Flexible magnetische Aufzeichnungstäger aus anorganinschen Füllstoffen enthaltenden Polymere-Zusammensetzungen
HK1027425A1 (en) Information-bearing discs and methods of fabrication
EP0827974A4 (de) Epoxydharzzusammensetzung und hieraus hergestelltes optisches aufzeichnungsmedium
DE602004021517D1 (de) Magnetisches Aufzeichnungsmittel
DE60002702D1 (de) Magnetisches aufzeichnungsmedium mit schmiermittel
EP1142936A4 (de) Biaxial orientierter film und magnetischer aufzeichnungsträger
EP0969031A4 (de) Polycarbonatharz, daraus hergestelltes optisches datenaufzeichnungdmedium und optisches datenaufzeichnungsmedium
EP0965987A3 (de) Magnetooptisches Speichermedium
EP1146508A3 (de) Informationsaufzeichnungsmedium
ZA926339B (en) Hexagonal magnetic ferrite pigment for high density magnetic recording applications.
EP0389994A3 (de) Ein magnetischer Aufzeichnungsträger
ATE261822T1 (de) Tintenstrahlaufzeichnungsmaterial
ATE165689T1 (de) Magneto-optisches aufzeichnungsmedium
MX9206388A (es) Pelicula de poliester laminada para medio de registro magnetico.
EP1607232A4 (de) Aufzeichnungsmaterial mit phasenänderung und informationsaufzeichnungsmedium
EP1044788A4 (de) Polymerfilm hoher formstabilität und magnetisches aufzeichnungsmedium, das diesen film verwendet
EP0889464A3 (de) Magnetisches Aufzeichnungsmedium
KR850006101A (ko) 자기 기록 매체
MX9203988A (es) Medio para grabacion magnetica de alta densidad.
EP1555657A4 (de) Biaxial orientierter polyesterfilm und flexible scheibe
MY133456A (en) Magnetic recording medium and process for producing the same
DE69105353D1 (de) Magnetischer Aufzeichnungsträger mit nadelförmigen, dendritfreien, magnetischen Eisenoxydteilchen.
EP0883112A3 (de) Durchsichtiges magnetisches Aufzeichnungsmedium
DE69205462T2 (de) Senkrechter magnetischer Film und magnetischer Aufzeichnungsträger.

Legal Events

Date Code Title Description
8363 Opposition against the patent