JPS6230897B2 - - Google Patents

Info

Publication number
JPS6230897B2
JPS6230897B2 JP53003161A JP316178A JPS6230897B2 JP S6230897 B2 JPS6230897 B2 JP S6230897B2 JP 53003161 A JP53003161 A JP 53003161A JP 316178 A JP316178 A JP 316178A JP S6230897 B2 JPS6230897 B2 JP S6230897B2
Authority
JP
Japan
Prior art keywords
film
hardness
heat treatment
stretching
temperature
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
JP53003161A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5496585A (en
Inventor
Takuo Nakahara
Tetsuo Ikeda
Norio Okumura
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 JP316178A priority Critical patent/JPS5496585A/ja
Publication of JPS5496585A publication Critical patent/JPS5496585A/ja
Publication of JPS6230897B2 publication Critical patent/JPS6230897B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Magnetic Record Carriers (AREA)
  • 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)
JP316178A 1978-01-14 1978-01-14 Polyester film Granted JPS5496585A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP316178A JPS5496585A (en) 1978-01-14 1978-01-14 Polyester film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP316178A JPS5496585A (en) 1978-01-14 1978-01-14 Polyester film

Publications (2)

Publication Number Publication Date
JPS5496585A JPS5496585A (en) 1979-07-31
JPS6230897B2 true JPS6230897B2 (en]) 1987-07-06

Family

ID=11549623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP316178A Granted JPS5496585A (en) 1978-01-14 1978-01-14 Polyester film

Country Status (1)

Country Link
JP (1) JPS5496585A (en])

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63184092U (en]) * 1987-05-18 1988-11-28

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6085416A (ja) * 1983-10-14 1985-05-14 Matsushita Electric Ind Co Ltd 磁気記録媒体
DE3414310A1 (de) * 1984-04-16 1985-10-24 Hoechst Ag, 6230 Frankfurt Traegerfolie fuer magnetische informationstraeger
JPS61295024A (ja) * 1985-06-25 1986-12-25 Diafoil Co Ltd 透明易滑性に優れた二軸延伸ポリエステルフイルム
JP2505414B2 (ja) * 1986-04-21 1996-06-12 東レ株式会社 磁気記録媒体

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5416723B2 (en]) * 1971-10-27 1979-06-25
JPS4944084A (en]) * 1972-09-04 1974-04-25
JPS5056467A (en]) * 1973-09-21 1975-05-17
JPS5748376B2 (en]) * 1974-03-12 1982-10-15
JPS5749377B2 (en]) * 1974-04-17 1982-10-21
JPS5110877A (ja) * 1974-07-16 1976-01-28 Teijin Ltd Jochakufuirumu

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63184092U (en]) * 1987-05-18 1988-11-28

Also Published As

Publication number Publication date
JPS5496585A (en) 1979-07-31

Similar Documents

Publication Publication Date Title
US6770351B1 (en) Biaxially oriented polyester film and magnetic recording medium
JPH0639538B2 (ja) 二軸配向ポリエステルフィルム
JPS6230897B2 (en])
JPH04308726A (ja) 磁気記録媒体用２軸配向ポリエステルフィルム
JPH02214734A (ja) 二軸配向ポリエステルフィルム
JPH0449170B2 (en])
JPH09239829A (ja) 二軸配向ポリエステルフィルム
US5470665A (en) Biaxially oriented unidirectionally long polyethylene-2, 6-naphthalenedicarboxylate film
JPS60195727A (ja) 磁気テ−プ用ポリエステルフイルム
JPH02214733A (ja) 二軸配向ポリエステルフィルム
JPH09272148A (ja) ポリエステルフイルムおよびその熱処理方法
JP2516100B2 (ja) ２軸配向ポリエステルフィルム
JPH10258458A (ja) 二軸配向ポリエステルフィルムおよびその製造方法
JP2019130777A (ja) 積層ポリエステルフィルムおよび磁気記録媒体
JPH02155934A (ja) 二軸延伸ポリエステルフィルム
JPH11207814A (ja) 二軸配向ポリエステルフィルムおよびその製造方法
JPS5967018A (ja) ポリエステルフイルムの製造法
JP3582669B2 (ja) ポリエステルフイルムの製造方法
JPH0641533B2 (ja) ポリエチレン―２，６―ナフタレートフィルム
JPH08174662A (ja) 二軸延伸ポリエステルフイルムの製造方法
JPH07266521A (ja) 積層二軸配向ポリエステルフイルム
KR0175951B1 (ko) 이축배향 폴리에틸렌-2,6-나프탈렌디카르복실레이트 세로로 긴 필름
EP0940426A2 (en) Biaxially oriented, unidirectionally long polyethylene-2,6-naphthalenedicarboxylate film
JPH0436536B2 (en])
JPH11151751A (ja) 二軸配向ポリエステルフィルムの製造方法および二軸配向ポリエステルフィルム