JPS6328449B2 - - Google Patents

Info

Publication number
JPS6328449B2
JPS6328449B2 JP56176923A JP17692381A JPS6328449B2 JP S6328449 B2 JPS6328449 B2 JP S6328449B2 JP 56176923 A JP56176923 A JP 56176923A JP 17692381 A JP17692381 A JP 17692381A JP S6328449 B2 JPS6328449 B2 JP S6328449B2
Authority
JP
Japan
Prior art keywords
polyester
film
calcium
compound
acid
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
JP56176923A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5879013A (ja
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 JP17692381A priority Critical patent/JPS5879013A/ja
Publication of JPS5879013A publication Critical patent/JPS5879013A/ja
Publication of JPS6328449B2 publication Critical patent/JPS6328449B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
  • Magnetic Record Carriers (AREA)
JP17692381A 1981-11-04 1981-11-04 磁気テ−プ用ポリエステルの製造方法 Granted JPS5879013A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17692381A JPS5879013A (ja) 1981-11-04 1981-11-04 磁気テ−プ用ポリエステルの製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17692381A JPS5879013A (ja) 1981-11-04 1981-11-04 磁気テ−プ用ポリエステルの製造方法

Publications (2)

Publication Number Publication Date
JPS5879013A JPS5879013A (ja) 1983-05-12
JPS6328449B2 true JPS6328449B2 (enrdf_load_stackoverflow) 1988-06-08

Family

ID=16022118

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17692381A Granted JPS5879013A (ja) 1981-11-04 1981-11-04 磁気テ−プ用ポリエステルの製造方法

Country Status (1)

Country Link
JP (1) JPS5879013A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0232151A (ja) * 1988-07-21 1990-02-01 Diafoil Co Ltd ポリエステル組成物

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5523141A (en) * 1978-08-07 1980-02-19 Diafoil Co Ltd Preparation of polyester

Also Published As

Publication number Publication date
JPS5879013A (ja) 1983-05-12

Similar Documents

Publication Publication Date Title
EP0229255B1 (en) Polyethylene naphthalate film
DE69020590T2 (de) Biaxial orientierter Polyethylen-2,6-naphthalat-Film.
JP2004114492A (ja) 二軸配向ポリエステルフィルム
KR960005445B1 (ko) 2축 연신 폴리에스테르 필름
US4767657A (en) Polyester films suitable for use in magnetic tapes
JPH05117421A (ja) ポリエチレン―２，６―ナフタレートフイルム
JPS6328449B2 (enrdf_load_stackoverflow)
JPS5823323A (ja) 磁気テ−プ用ポリエステルフイルム
JP2675216B2 (ja) ポリエチレン―２，６―ナフタレートフィルム
JPS58215723A (ja) 磁気記録体用ポリエステルフイルム
JP2859973B2 (ja) 二軸配向積層ポリエステルフイルム
JPH025175B2 (enrdf_load_stackoverflow)
JPS58225123A (ja) ポリエステルの製造方法
JPH11262992A (ja) 二軸配向ポリエステルフィルムおよび磁気記録媒体
JPH0157702B2 (enrdf_load_stackoverflow)
JP2595511B2 (ja) 磁気記録媒体用ベースフィルム
JP4118491B2 (ja) 二軸配向ポリエステルフィルム
JP2516612B2 (ja) 二軸延伸ポリエステルフイルム
JP2821270B2 (ja) 二軸配向コポリエステルフィルム
JPH01126340A (ja) 二軸配向ポリエステルフイルム
JPS63312319A (ja) ポリエステルの製造法
JP2525446B2 (ja) 磁気記録媒体用ポリエステルフィルム
JPH0578089B2 (enrdf_load_stackoverflow)
JPH01196325A (ja) 二軸配向ポリエステルフィルム
JPS62223239A (ja) ２軸延伸ポリエステルフイルム