JPS563430A - Biaxially oriented polyester film for magnetic tape - Google Patents

Biaxially oriented polyester film for magnetic tape

Info

Publication number
JPS563430A
JPS563430A JP7789679A JP7789679A JPS563430A JP S563430 A JPS563430 A JP S563430A JP 7789679 A JP7789679 A JP 7789679A JP 7789679 A JP7789679 A JP 7789679A JP S563430 A JPS563430 A JP S563430A
Authority
JP
Japan
Prior art keywords
valent
polyester
magnetic tape
film
compound
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.)
Granted
Application number
JP7789679A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6131526B2 (enrdf_load_stackoverflow
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.)
Diafoil Co Ltd
Original Assignee
Diafoil Co 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 Diafoil Co Ltd filed Critical Diafoil Co Ltd
Priority to JP7789679A priority Critical patent/JPS563430A/ja
Publication of JPS563430A publication Critical patent/JPS563430A/ja
Publication of JPS6131526B2 publication Critical patent/JPS6131526B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Magnetic Record Carriers (AREA)
JP7789679A 1979-06-20 1979-06-20 Biaxially oriented polyester film for magnetic tape Granted JPS563430A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7789679A JPS563430A (en) 1979-06-20 1979-06-20 Biaxially oriented polyester film for magnetic tape

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7789679A JPS563430A (en) 1979-06-20 1979-06-20 Biaxially oriented polyester film for magnetic tape

Publications (2)

Publication Number Publication Date
JPS563430A true JPS563430A (en) 1981-01-14
JPS6131526B2 JPS6131526B2 (enrdf_load_stackoverflow) 1986-07-21

Family

ID=13646833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7789679A Granted JPS563430A (en) 1979-06-20 1979-06-20 Biaxially oriented polyester film for magnetic tape

Country Status (1)

Country Link
JP (1) JPS563430A (enrdf_load_stackoverflow)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131428A (ja) * 1983-01-17 1984-07-28 Toyobo Co Ltd 走行特性が改良された配向ポリエステルフイルム
JPS59203232A (ja) * 1983-05-02 1984-11-17 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
JPS6098524A (ja) * 1983-11-04 1985-06-01 Diafoil Co Ltd 磁気テ−プ用ポリエステルフイルム
JPS60219627A (ja) * 1984-04-17 1985-11-02 Fuji Photo Film Co Ltd 磁気記録媒体
US4617164A (en) * 1983-01-18 1986-10-14 Diafoil Company, Limited Process for stretching polyester films
JPS62143938A (ja) * 1985-12-17 1987-06-27 Diafoil Co Ltd 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
JPS6381022A (ja) * 1986-09-25 1988-04-11 Teijin Ltd 二軸配向ポリエステルフイルム
US4840830A (en) * 1983-05-02 1989-06-20 Diafoil Company, Limited Polyester film for magnetic recording tape

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59131428A (ja) * 1983-01-17 1984-07-28 Toyobo Co Ltd 走行特性が改良された配向ポリエステルフイルム
US4617164A (en) * 1983-01-18 1986-10-14 Diafoil Company, Limited Process for stretching polyester films
JPS59203232A (ja) * 1983-05-02 1984-11-17 Diafoil Co Ltd 磁気記録体用ポリエステルフイルム
US4840830A (en) * 1983-05-02 1989-06-20 Diafoil Company, Limited Polyester film for magnetic recording tape
JPS6098524A (ja) * 1983-11-04 1985-06-01 Diafoil Co Ltd 磁気テ−プ用ポリエステルフイルム
JPS60219627A (ja) * 1984-04-17 1985-11-02 Fuji Photo Film Co Ltd 磁気記録媒体
JPS62143938A (ja) * 1985-12-17 1987-06-27 Diafoil Co Ltd 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
US4876137A (en) * 1985-12-17 1989-10-24 Diafoil Company, Limited Polyethylene naphthalate film for high-density magnetic recording media of floppy disk
JPS6381022A (ja) * 1986-09-25 1988-04-11 Teijin Ltd 二軸配向ポリエステルフイルム

Also Published As

Publication number Publication date
JPS6131526B2 (enrdf_load_stackoverflow) 1986-07-21

Similar Documents

Publication Publication Date Title
JPS57133521A (en) Magnetic recording medium
JPS563430A (en) Biaxially oriented polyester film for magnetic tape
JPS55117736A (en) Magnetic recording medium
JPS551821A (en) Fine grain bulk density regulating agent
JPS55105826A (en) Base for magnetic recording tape
JPS5269935A (en) Powder coating composition
JPS57165464A (en) Composition for magnetic coating
JPS5695245A (en) Pressure fixing composition
JPS5629841A (en) Magnetic recording medium
JPS57171444A (en) Oxidizing catalyst and preparation thereof
JPS5575425A (en) Phosphorus containing polyesterpolyol and preparation thereof
JPS532559A (en) Polyester compositions
JPS53144931A (en) Coating material
JPS5355348A (en) Improvement in durability of clear coating films
JPS5528554A (en) Magnetic recording medium
JPS52137390A (en) Compound searching contacter
JPS5354235A (en) Resin compositions for coating powder
JPS565476A (en) Polyalkyl-2- 2,4-dihydroxyphenyl -7-hydroxychroman and its preparation
JPS57205422A (en) Production of polyester
JPS5699224A (en) Preparation of polyester
JPS5680828A (en) Magnetic recording medium
JPS55151068A (en) Magnetic paint
JPS5473737A (en) Substituted diphenylamine and its preparation
JPS5359726A (en) Coating compsitions
JPS5661038A (en) Magnetic recording medium