DE69221238D1 - Biaxial-orientierte filmstreifen aus 2,6-naphthalat und damit hergestelltes magnetband - Google Patents

Biaxial-orientierte filmstreifen aus 2,6-naphthalat und damit hergestelltes magnetband

Info

Publication number
DE69221238D1
DE69221238D1 DE69221238T DE69221238T DE69221238D1 DE 69221238 D1 DE69221238 D1 DE 69221238D1 DE 69221238 T DE69221238 T DE 69221238T DE 69221238 T DE69221238 T DE 69221238T DE 69221238 D1 DE69221238 D1 DE 69221238D1
Authority
DE
Germany
Prior art keywords
biaxial
naphthalate
magnetic tape
oriented film
film strips
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
DE69221238T
Other languages
English (en)
Other versions
DE69221238T2 (de
Inventor
Masahiro Hosoi
Hisashi Hamano
Yasuhiro Saeki
Masami Etchu
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of DE69221238D1 publication Critical patent/DE69221238D1/de
Publication of DE69221238T2 publication Critical patent/DE69221238T2/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
    • 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
    • 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
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added particles
    • 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
    • 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
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/08—Polyesters modified with higher fatty oils or their acids, or with resins or resin acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Magnetic Record Carriers (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyesters Or Polycarbonates (AREA)
DE69221238T 1991-03-22 1992-03-19 Biaxial-orientierte filmstreifen aus 2,6-naphthalat und damit hergestelltes magnetband Expired - Lifetime DE69221238T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3081103A JP2585476B2 (ja) 1991-03-22 1991-03-22 ポリエチレン２，６−ナフタレートフイルム
PCT/JP1992/000338 WO1992016356A1 (en) 1991-03-22 1992-03-19 Biaxially oriented polyethylene 2,6-naphthalate film strip and magnetic tape using the same

Publications (2)

Publication Number Publication Date
DE69221238D1 true DE69221238D1 (de) 1997-09-04
DE69221238T2 DE69221238T2 (de) 1998-03-19

Family

ID=13737052

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69221238T Expired - Lifetime DE69221238T2 (de) 1991-03-22 1992-03-19 Biaxial-orientierte filmstreifen aus 2,6-naphthalat und damit hergestelltes magnetband

Country Status (5)

Country Link
EP (1) EP0535240B1 (de)
JP (1) JP2585476B2 (de)
KR (1) KR0184605B1 (de)
DE (1) DE69221238T2 (de)
WO (1) WO1992016356A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2732997B2 (ja) * 1993-01-29 1998-03-30 帝人株式会社 二軸配向ポリエチレン―２，６―ナフタレートフィルム
EP0659810B1 (de) * 1993-12-22 2000-05-17 Teijin Limited Biaxial-orientierte Folie aus Polyethylen-2,6-naphthalendicarboxylat
DE19540277B4 (de) * 1994-11-02 2007-04-19 Toyo Boseki K.K. Folie mit feinen Hohlräumen und Verfahren zu deren Herstellung
JP3438352B2 (ja) * 1994-11-08 2003-08-18 松下電器産業株式会社 磁気記録媒体の製造装置
KR100253538B1 (ko) * 1996-05-17 2000-04-15 야스이 쇼사꾸 이축 배향 폴리에스테르 필름
JP5214903B2 (ja) * 2007-04-09 2013-06-19 帝人株式会社 二軸配向ポリエステルフィルム
JP4934063B2 (ja) * 2008-01-18 2012-05-16 帝人株式会社 二軸配向ポリエステルフィルム

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045877A (de) * 1973-08-29 1975-04-24
JPS5619012B2 (de) * 1973-08-29 1981-05-02
JPS5081325A (de) * 1973-11-19 1975-07-02
JPS59127730A (ja) * 1983-01-07 1984-07-23 Toray Ind Inc ２軸配向ポリエチレンナフタレ−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
JP2528959B2 (ja) * 1989-02-01 1996-08-28 帝人株式会社 ポリエチレン―２，６―ナフタレ―トフイルム
JP2528960B2 (ja) * 1989-02-01 1996-08-28 帝人株式会社 ポリエチレン―２，６―ナフタレ―トフイルム
US5051292A (en) * 1989-02-01 1991-09-24 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate

Also Published As

Publication number Publication date
DE69221238T2 (de) 1998-03-19
JPH04292933A (ja) 1992-10-16
EP0535240A1 (de) 1993-04-07
EP0535240B1 (de) 1997-07-30
WO1992016356A1 (en) 1992-10-01
EP0535240A4 (en) 1993-09-01
JP2585476B2 (ja) 1997-02-26
KR0184605B1 (ko) 1999-05-15

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