ATE320917T1 - Polyesterfilm und magnetisches aufzeichnungsmedium der diesen benutzt - Google Patents

Polyesterfilm und magnetisches aufzeichnungsmedium der diesen benutzt

Info

Publication number
ATE320917T1
ATE320917T1 AT01129534T AT01129534T ATE320917T1 AT E320917 T1 ATE320917 T1 AT E320917T1 AT 01129534 T AT01129534 T AT 01129534T AT 01129534 T AT01129534 T AT 01129534T AT E320917 T1 ATE320917 T1 AT E320917T1
Authority
AT
Austria
Prior art keywords
polyester film
magnetic recording
polyester
resin
same
Prior art date
Application number
AT01129534T
Other languages
English (en)
Inventor
Akira Kubota
Kenichi Eto
Yukari Nakamori
Tetsuya Tsunekawa
Original Assignee
Toray Industries
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=ATE320917(T1) "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 filed Critical Toray Industries
Application granted granted Critical
Publication of ATE320917T1 publication Critical patent/ATE320917T1/de

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Paints Or Removers (AREA)
AT01129534T 2000-12-13 2001-12-11 Polyesterfilm und magnetisches aufzeichnungsmedium der diesen benutzt ATE320917T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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 (1)

Publication Number Publication Date
ATE320917T1 true ATE320917T1 (de) 2006-04-15

Family

ID=26605745

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01129534T ATE320917T1 (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 (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY121414A (en) * 1998-09-11 2006-01-28 Toray Industries Biaxially oriented polyester film and production method thereof
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
EP1980586B1 (de) 2007-04-12 2011-01-26 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
WO2013080827A1 (ja) * 2011-12-02 2013-06-06 東レ株式会社 ポリエステルフィルム、太陽電池バックシート、太陽電池
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
KR20170104162A (ko) * 2015-02-03 2017-09-14 사빅 글로벌 테크놀러지스 비.브이. 커패시터 필름용 폴리에터이미드 상용성 중합체 블렌드
EP3245244A4 (de) 2015-02-03 2018-06-06 SABIC Global Technologies B.V. Mischbare polyetherimid-polymer-mischungen für kondensatorfilme
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
WO2020105471A1 (ja) * 2018-11-19 2020-05-28 東レ株式会社 二軸配向熱可塑性樹脂フィルム
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
CN115943032B (zh) * 2020-06-24 2025-09-02 富士胶片株式会社 聚酯膜的制造方法、聚酯膜、层叠膜
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
CA2169293A1 (en) * 1994-06-23 1996-01-04 Akimitsu Tsukuda Magnetic recording medium
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
MY121414A (en) 1998-09-11 2006-01-28 Toray Industries Biaxially oriented polyester film and production method thereof
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
WO2001015900A1 (fr) * 1999-08-27 2001-03-08 Toray Industries, Inc. Couche mince stratifiee et couche mince a depot par evporation l'utilisant
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
EP1215043A1 (de) 2002-06-19
KR20020046937A (ko) 2002-06-21
CN1295076C (zh) 2007-01-17
MY140681A (en) 2010-01-15
CN1358624A (zh) 2002-07-17
KR100818603B1 (ko) 2008-04-01
US6783889B2 (en) 2004-08-31
EP1215043B1 (de) 2006-03-22
US20020114977A1 (en) 2002-08-22
DE60118082T2 (de) 2006-08-24
DE60118082D1 (de) 2006-05-11

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