JPH0321969B2 - - Google Patents

Info

Publication number
JPH0321969B2
JPH0321969B2 JP57144748A JP14474882A JPH0321969B2 JP H0321969 B2 JPH0321969 B2 JP H0321969B2 JP 57144748 A JP57144748 A JP 57144748A JP 14474882 A JP14474882 A JP 14474882A JP H0321969 B2 JPH0321969 B2 JP H0321969B2
Authority
JP
Japan
Prior art keywords
polyester
magnetic recording
film
groups
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 - Lifetime
Application number
JP57144748A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5936129A (ja
Inventor
Hiroo Inada
Shoji Kawase
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
Priority to JP57144748A priority Critical patent/JPS5936129A/ja
Publication of JPS5936129A publication Critical patent/JPS5936129A/ja
Publication of JPH0321969B2 publication Critical patent/JPH0321969B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Coating Of Shaped Articles Made Of Macromolecular Substances (AREA)
  • Laminated Bodies (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Magnetic Record Carriers (AREA)
JP57144748A 1982-08-23 1982-08-23 磁気記録媒体 Granted JPS5936129A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57144748A JPS5936129A (ja) 1982-08-23 1982-08-23 磁気記録媒体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57144748A JPS5936129A (ja) 1982-08-23 1982-08-23 磁気記録媒体

Publications (2)

Publication Number Publication Date
JPS5936129A JPS5936129A (ja) 1984-02-28
JPH0321969B2 true JPH0321969B2 (cs) 1991-03-25

Family

ID=15369447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57144748A Granted JPS5936129A (ja) 1982-08-23 1982-08-23 磁気記録媒体

Country Status (1)

Country Link
JP (1) JPS5936129A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007179680A (ja) * 2005-12-28 2007-07-12 Toyobo Co Ltd 磁気記録媒体

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54132697A (en) * 1978-04-06 1979-10-15 Toray Ind Inc Preparation of polyester containing small amount of carboxyl group
US4200731A (en) * 1979-02-01 1980-04-29 The Goodyear Tire & Rubber Company Endcapped polyesters
JPS5650923A (en) * 1979-10-02 1981-05-08 Teijin Ltd Polyester molding material and its manufacture
JPS56149425A (en) * 1980-04-21 1981-11-19 Teijin Ltd Preparation of polyester containing little carboxyl end-group

Also Published As

Publication number Publication date
JPS5936129A (ja) 1984-02-28

Similar Documents

Publication Publication Date Title
EP0226162B1 (en) Polyethylene-2,6-naphthalate film for magnetic recording tapes
KR910006149B1 (ko) 자기 기록재용 폴리에스테르 베이스 필름
KR930000667B1 (ko) 폴리에틸렌 나프탈레이트 필름
KR100463695B1 (ko) 자기기록매체용 이축배향 폴리에스테르 필름
US5718860A (en) Process for the preparation of polyester base film for magnetic recording media
JP4161378B2 (ja) 高寸法安定性高分子フィルムおよびそれを用いた磁気記録媒体
JPH0321969B2 (cs)
JPH11152353A (ja) 芳香族ポリアミドフィルムおよびそれを用いた磁気記録媒体
JPH01204959A (ja) ポリエステル組成物及びそれからなる二軸延伸ポリエステルフイルム
JP2854012B2 (ja) 二軸配向ポリエステルフィルム
JPH0440375B2 (cs)
JPH02202925A (ja) ポリエチレン―2,6―ナフタレートフイルム
JP2720465B2 (ja) 熱可塑性ポリエステル組成物
JP6982801B2 (ja) 積層ポリエステルフィルムおよび磁気記録媒体
JP2621541B2 (ja) 磁気記録媒体用ポリエステルフイルム
JPS58215723A (ja) 磁気記録体用ポリエステルフイルム
JP4742396B2 (ja) 二軸配向ポリエステルフィルムとその製造方法
JP4337196B2 (ja) 芳香族ポリアミドフィルム及びそれを用いた磁気記録媒体
JPH0253845B2 (cs)
JPH08297829A (ja) 磁気記録媒体
JPH025175B2 (cs)
JPS6226094B2 (cs)
JPH04309555A (ja) ポリエステル組成物
JP6982802B2 (ja) 積層ポリエステルフィルムおよび磁気記録媒体
JPS61240431A (ja) 磁気記録媒体用ベ−スフイルム