DE69021178D1 - Biaxial orientierter Polyesterfilm. - Google Patents

Biaxial orientierter Polyesterfilm.

Info

Publication number
DE69021178D1
DE69021178D1 DE69021178T DE69021178T DE69021178D1 DE 69021178 D1 DE69021178 D1 DE 69021178D1 DE 69021178 T DE69021178 T DE 69021178T DE 69021178 T DE69021178 T DE 69021178T DE 69021178 D1 DE69021178 D1 DE 69021178D1
Authority
DE
Germany
Prior art keywords
polyester film
biaxially oriented
oriented polyester
biaxially
film
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 - Fee Related
Application number
DE69021178T
Other languages
English (en)
Other versions
DE69021178T2 (de
Inventor
Seiji Sakamoto
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.)
Mitsubishi Polyester Film Corp
Original Assignee
Mitsubishi Polyester Film Corp
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 Mitsubishi Polyester Film Corp filed Critical Mitsubishi Polyester Film Corp
Publication of DE69021178D1 publication Critical patent/DE69021178D1/de
Application granted granted Critical
Publication of DE69021178T2 publication Critical patent/DE69021178T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
    • C08K3/34—Silicon-containing 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
    • G11B5/73935—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
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE69021178T 1989-12-14 1990-12-11 Biaxial orientierter Polyesterfilm. Expired - Fee Related DE69021178T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1324749A JPH0778133B2 (ja) 1989-12-14 1989-12-14 二軸配向ポリエステルフィルム

Publications (2)

Publication Number Publication Date
DE69021178D1 true DE69021178D1 (de) 1995-08-31
DE69021178T2 DE69021178T2 (de) 1996-04-04

Family

ID=18169254

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021178T Expired - Fee Related DE69021178T2 (de) 1989-12-14 1990-12-11 Biaxial orientierter Polyesterfilm.

Country Status (5)

Country Link
US (1) US5061571A (de)
EP (1) EP0432724B1 (de)
JP (1) JPH0778133B2 (de)
KR (1) KR960015886B1 (de)
DE (1) DE69021178T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488603B1 (de) * 1990-11-26 2000-01-19 Teijin Limited Biaxial ausgerichteter Polyesterfilm
CA2094434A1 (en) * 1992-04-30 1993-10-31 Tomoyuki Kotani Biaxially oriented laminated polyester film for magnetic recording media
JPH07105527A (ja) * 1993-10-04 1995-04-21 Konica Corp 磁気記録媒体及びその製造方法
EP0924050B1 (de) * 1997-12-18 2003-03-26 Toray Industries, Inc. Verfahren zur Herstellung einer Polyesterfolie
US6553788B1 (en) * 1999-02-23 2003-04-29 Nippon Sheet Glass Co., Ltd. Glass substrate for magnetic disk and method for manufacturing
DE602004031970D1 (de) * 2003-10-21 2011-05-05 Toyo Boseki Wärmeschrumpfbare polyesterfolie und rolle von wärmeschrumpfbarer polyesterfolie
US7544408B2 (en) * 2006-02-14 2009-06-09 Toray Plastics (America), Inc. Biaxially oriented polyester film for molding process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641525A (en) * 1979-09-11 1981-04-18 Diafoil Co Ltd Polyester film for magnetic tape
JPS6079931A (ja) * 1983-10-08 1985-05-07 Toyobo Co Ltd 配向ポリエステルフイルム
JPS60166435A (ja) * 1984-02-09 1985-08-29 Toyobo Co Ltd 配向ポリエステルフイルム
FR2561982B1 (fr) * 1984-04-03 1987-05-29 Rhone Poulenc Films Films minces polyester etires charges a faible rugosite; procede d'obtention; utilisation de ces films pour la fabrication de bandes magnetiques
DE3501018A1 (de) * 1985-01-15 1986-07-17 Hoechst Ag, 6230 Frankfurt Polyesterfolie
DE3501017A1 (de) * 1985-01-15 1986-07-17 Hoechst Ag, 6230 Frankfurt Orientierte kunststoffolie
KR920000447B1 (ko) * 1985-10-21 1992-01-14 다이아 호일 가부시끼가이샤 폴리에스테르 조성물 및 그로부터 폴리에스테르 필름을 제조하는 방법
DE68919130T2 (de) * 1988-06-04 1995-06-01 Diafoil Hoechst Co Ltd Polyesterfilm für magnetische Aufzeichnungsträger.

Also Published As

Publication number Publication date
JPH03185033A (ja) 1991-08-13
KR910011956A (ko) 1991-08-07
EP0432724A1 (de) 1991-06-19
DE69021178T2 (de) 1996-04-04
KR960015886B1 (ko) 1996-11-23
US5061571A (en) 1991-10-29
EP0432724B1 (de) 1995-07-26
JPH0778133B2 (ja) 1995-08-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee