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DE3277416D1 - Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom - Google Patents

Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom

Info

Publication number
DE3277416D1
DE3277416D1 DE8282306263T DE3277416T DE3277416D1 DE 3277416 D1 DE3277416 D1 DE 3277416D1 DE 8282306263 T DE8282306263 T DE 8282306263T DE 3277416 T DE3277416 T DE 3277416T DE 3277416 D1 DE3277416 D1 DE 3277416D1
Authority
DE
Germany
Prior art keywords
production
recording medium
polyethylene terephthalate
magnetic recording
terephthalate 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
Application number
DE8282306263T
Other languages
English (en)
Inventor
Satoyuki Minami
Kazuhiro Tanaka
Takeshi Nishioka
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
Priority claimed from JP57022593A external-priority patent/JPS58140221A/ja
Priority claimed from JP57033801A external-priority patent/JPS58153232A/ja
Application filed by Toray Industries Inc filed Critical Toray Industries Inc
Application granted granted Critical
Publication of DE3277416D1 publication Critical patent/DE3277416D1/de
Expired 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • 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
    • B29C55/005—Shaping by stretching, e.g. drawing through a die; Apparatus therefor characterised by the choice of materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • 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
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/06—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed
    • B29C55/065—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique parallel with the direction of feed in several stretching steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
    • B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • 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
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • 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
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y10T428/264—Up to 3 mils
    • Y10T428/265—1 mil or less
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE8282306263T 1982-02-17 1982-11-24 Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom Expired DE3277416D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP57022593A JPS58140221A (ja) 1982-02-17 1982-02-17 ポリエチレンテレフタレ−トフイルムの製造方法
JP57033801A JPS58153232A (ja) 1982-03-05 1982-03-05 磁気記録媒体

Publications (1)

Publication Number Publication Date
DE3277416D1 true DE3277416D1 (en) 1987-11-05

Family

ID=26359847

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282306263T Expired DE3277416D1 (en) 1982-02-17 1982-11-24 Polyethylene terephthalate film, process for the production thereof and magnetic recording medium therefrom

Country Status (3)

Country Link
US (3) US4497865A (de)
EP (1) EP0086302B1 (de)
DE (1) DE3277416D1 (de)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
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JPS58153232A (ja) * 1982-03-05 1983-09-12 Toray Ind Inc 磁気記録媒体
JPS58215722A (ja) * 1982-06-08 1983-12-15 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
JPS59140028A (ja) * 1983-01-18 1984-08-11 Diafoil Co Ltd ポリエステルフイルムの製造方法
US4539389A (en) * 1983-03-30 1985-09-03 Teijin Limited Biaxially oriented polyester film
US4557982A (en) * 1983-04-07 1985-12-10 Teijin Limited Magnetic recording flexible disc
JPS59198532A (ja) * 1983-04-25 1984-11-10 Fuji Photo Film Co Ltd 磁気記録媒体
JPS59203228A (ja) * 1983-04-30 1984-11-17 Victor Co Of Japan Ltd 磁気記録媒体
WO1985001247A1 (en) * 1983-09-14 1985-03-28 Diafoil Company, Limited Process for producing biaxially oriented polyester film
JPS6063716A (ja) * 1983-09-16 1985-04-12 Fuji Photo Film Co Ltd 磁気記録媒体
JPS60151830A (ja) * 1984-01-20 1985-08-09 Fuji Photo Film Co Ltd 磁気記録媒体
JPS6178686A (ja) * 1984-09-26 1986-04-22 Dainippon Printing Co Ltd 真空成形用印刷フイルム
JPS61104326A (ja) * 1984-10-23 1986-05-22 Fuji Photo Film Co Ltd 磁気記録媒体
US4741876A (en) * 1985-03-26 1988-05-03 Illinois Tool Works Inc. Method for manufacturing thermally stabilized plastic film capacitor
JPS61228398A (ja) * 1985-04-03 1986-10-11 富士写真フイルム株式会社 放射線像変換パネル
JPH0719352B2 (ja) * 1985-04-04 1995-03-06 富士写真フイルム株式会社 円盤状磁気記録媒体
DE3667993D1 (de) * 1985-07-31 1990-02-08 Toyo Boseki Waermeschrumpfbarer polyesterfilm und -schlauch und herstellungsverfahren fuer den schlauch.
JPH0762896B2 (ja) * 1985-08-20 1995-07-05 富士写真フイルム株式会社 磁気記録媒体
JPS62135339A (ja) * 1985-12-09 1987-06-18 Diafoil Co Ltd 磁気記録体用ポリエチレン−２，６−ナフタレ−トフイルム
JPS62136013A (ja) * 1985-12-09 1987-06-19 ダイアホイルヘキスト株式会社 コンデンサ−用ポリエチレン−２，６−ナフタレ−トフイルム
JPH0625267B2 (ja) * 1985-12-17 1994-04-06 ダイアホイルヘキスト株式会社 高密度磁気記録媒体用ポリエチレン−２，６−ナフタレ−トフイルム
JPH0715742B2 (ja) * 1986-03-24 1995-02-22 富士写真フイルム株式会社 磁気記録媒体
EP0314785A1 (de) * 1986-04-01 1989-05-10 Toray Industries, Inc. Biaxial orientierter polyesterfilm
US4983653A (en) * 1986-11-12 1991-01-08 Diafoil Company, Ltd. Polyester shrinkable film containing benzotriazole
US4985538A (en) * 1986-11-12 1991-01-15 Diafoil Company, Limited Shrinkable polyester film
US4833019A (en) * 1987-02-17 1989-05-23 Minnesota Mining And Manufacturing Company Magnetic recording tape comprising a support film having a high transverse direction modulus
US4867937A (en) * 1987-02-17 1989-09-19 Minnesota Mining And Manufacturing Company Process for producing high modulus film
US4847033A (en) * 1988-02-16 1989-07-11 Eastman Kodak Company Process for improving dimensional stability of polymeric films useful in optical disk assemblies
JPH07119055B2 (ja) * 1988-04-19 1995-12-20 ダイアホイルヘキスト株式会社 二軸延伸ポリエステルフィルム
US4882213A (en) * 1988-04-29 1989-11-21 Weyerhaeuser Company Absorbent article with tear line guide
DE68919130T2 (de) * 1988-06-04 1995-06-01 Diafoil Hoechst Co Ltd Polyesterfilm für magnetische Aufzeichnungsträger.
JPH02105329A (ja) * 1988-10-13 1990-04-17 Fuji Photo Film Co Ltd 磁気テープ製造方法
US5093064A (en) * 1989-06-13 1992-03-03 Diafoil Company, Ltd. Low-shrinkage polyester film and preparation thereof
US5076977A (en) * 1990-01-10 1991-12-31 Eastman Kodak Company Process for controlling curl in polyester film
JPH04308726A (ja) * 1991-04-05 1992-10-30 Toyobo Co Ltd 磁気記録媒体用２軸配向ポリエステルフィルム
US5431983A (en) * 1991-04-25 1995-07-11 Teijin Limited Magnetic recording tape comprising a polyethylene-2,6-napthalate substrate, magnetic metal thin film, and a backcoat layer
AU2587792A (en) * 1991-09-04 1993-04-05 Fortex, Inc. Polyester possessing an increased rate of crystallization
FR2682915B1 (fr) * 1991-10-24 1997-09-19 Rhone Poulenc Films Films en polyester semi-cristallins orientes, leur procede d'obtention et leur emploi comme support de revetement magnetique
CA2083976A1 (en) * 1991-12-04 1993-06-05 Shinichi Kinoshita Optical tape
US5677033A (en) * 1993-02-11 1997-10-14 Teijin Limited Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film
US5474730A (en) * 1993-06-09 1995-12-12 Hoechst Celanese Corporation Production of highly birefringent film
US5385704A (en) * 1993-07-27 1995-01-31 Eastman Kodak Company Process of making polyethylene terephthalate photographic film base
US5718860A (en) * 1995-06-14 1998-02-17 Skc Limited Process for the preparation of polyester base film for magnetic recording media
CA2199334C (en) * 1996-09-09 2006-04-18 Kohzo Takahashi A biaxially oriented polyester film for laminating metallic sheets
DE69812562T2 (de) 1997-12-18 2003-11-27 Toray Industries, Inc. Verfahren zur Herstellung einer Polyesterfolie
US6126992A (en) * 1998-04-23 2000-10-03 E.I. Dupont De Nemours And Company Optical articles comprising isosorbide polyesters and method for making same
US6025061A (en) * 1998-04-23 2000-02-15 Hna Holdings, Inc. Sheets formed from polyesters including isosorbide
US5959066A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyesters including isosorbide as a comonomer and methods for making same
US6063495A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester fiber and methods for making same
US6140422A (en) * 1998-04-23 2000-10-31 E.I. Dupont De Nemours And Company Polyesters including isosorbide as a comonomer blended with other thermoplastic polymers
US6063464A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Isosorbide containing polyesters and methods for making same
US5958581A (en) * 1998-04-23 1999-09-28 Hna Holdings, Inc. Polyester film and methods for making same
US6063465A (en) * 1998-04-23 2000-05-16 Hna Holdings, Inc. Polyester container and method for making same
US6761968B2 (en) * 2000-12-01 2004-07-13 Teijin Limited Biaxially oriented polyester film
FR3017072B1 (fr) * 2014-01-31 2016-02-19 Toray Films Europ Film de polyester transparent multicouche, son procede de fabrication et son utilisation notamment dans les faces arrieres de panneaux photovoltaiques
EP3242909B1 (de) * 2015-01-06 2021-08-04 Flex Films (USA) Inc. Thermoplastische folien mit asymmetrischen eigenschaften und verfahren

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BE581665A (de) * 1956-12-20 1900-01-01
JPS5416723B2 (de) * 1971-10-27 1979-06-25
JPS4959176A (de) * 1972-10-09 1974-06-08
US4042569A (en) * 1974-08-05 1977-08-16 E. I. Du Pont De Nemours And Company Heat-setting process for polyester film
JPS5366202A (en) * 1976-11-26 1978-06-13 Fuji Photo Film Co Ltd Magnetic recording tape
JPS5897B2 (ja) * 1977-08-23 1983-01-05 帝人株式会社 ポリエステルフイルム
NL7800122A (nl) * 1978-01-05 1979-07-09 Philips Nv Magnetische registratieband en drager voor een magnetische registratieband.
JPS54107313A (en) * 1978-02-09 1979-08-23 Sony Corp Magnetic recording medium
JPS5522915A (en) * 1978-08-07 1980-02-19 Toray Ind Inc Manufacture of polyester film
JPS5527211A (en) * 1978-08-15 1980-02-27 Toray Ind Inc Producing process of polyester film
JPS56674A (en) * 1979-06-14 1981-01-07 Seiko Epson Corp Electronic watch
JPS563428A (en) * 1979-06-20 1981-01-14 Fuji Photo Film Co Ltd Magnetic recording medium
JPS6056101B2 (ja) * 1980-09-25 1985-12-09 東レ株式会社 ポリエステルフイルムの製造方法

Also Published As

Publication number Publication date
US4587071A (en) 1986-05-06
EP0086302B1 (de) 1987-09-30
EP0086302A1 (de) 1983-08-24
US4497865A (en) 1985-02-05
US4546030A (en) 1985-10-08

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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