DE2424466A1 - Biaxial orientierte polyaethylen-2,6naphthalatfolien - Google Patents

Biaxial orientierte polyaethylen-2,6naphthalatfolien

Info

Publication number
DE2424466A1
DE2424466A1 DE2424466A DE2424466A DE2424466A1 DE 2424466 A1 DE2424466 A1 DE 2424466A1 DE 2424466 A DE2424466 A DE 2424466A DE 2424466 A DE2424466 A DE 2424466A DE 2424466 A1 DE2424466 A1 DE 2424466A1
Authority
DE
Germany
Prior art keywords
longitudinal direction
film
young
naphthalate
modulus
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.)
Pending
Application number
DE2424466A
Other languages
German (de)
English (en)
Inventor
Hiroshi Aoki
Hisashi Hamano
Hujio Matsumoto
Sakae Shimotsuma
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
Publication of DE2424466A1 publication Critical patent/DE2424466A1/de
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Magnetic Record Carriers (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
DE2424466A 1974-01-11 1974-05-20 Biaxial orientierte polyaethylen-2,6naphthalatfolien Pending DE2424466A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP49006016A JPS50102303A (nl) 1974-01-11 1974-01-11

Publications (1)

Publication Number Publication Date
DE2424466A1 true DE2424466A1 (de) 1975-07-31

Family

ID=11626892

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2424466A Pending DE2424466A1 (de) 1974-01-11 1974-05-20 Biaxial orientierte polyaethylen-2,6naphthalatfolien

Country Status (5)

Country Link
JP (1) JPS50102303A (nl)
BE (1) BE815395A (nl)
DE (1) DE2424466A1 (nl)
FR (1) FR2257403A1 (nl)
NL (1) NL7406918A (nl)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401625A1 (de) * 1983-01-18 1984-10-04 Diafoil Co. Ltd., Tokio/Tokyo Polyesterfolie fuer magnetische aufzeichnungsmedien und verfahren zu ihrer herstellung
DE3525170A1 (de) * 1984-07-17 1986-02-20 TDK Corporation, Tokio/Tokyo Magnetischer aufzeichnungstraeger
EP0226162A1 (en) * 1985-12-09 1987-06-24 Diafoil Company, Limited Polyethylene-2,6-naphthalate film for magnetic recording tapes
EP0381213A2 (en) * 1989-02-01 1990-08-08 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0628098B2 (ja) * 1985-07-23 1994-04-13 帝人株式会社 磁気記録用テ−プ
JPS62113529A (ja) * 1985-11-13 1987-05-25 Diafoil Co Ltd ポリエチレンナフタレ−トフイルム
JPS62219317A (ja) * 1986-03-20 1987-09-26 Sony Corp 金属薄膜型磁気記録媒体
US4835214A (en) * 1987-11-23 1989-05-30 Eastman Kodak Company Polymer blends useful for hot fillable containers having improved gas barrier properties
JPH0677472U (ja) * 1991-07-08 1994-10-28 ジェコー株式会社 ブラシホルダの保持構造

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3401625A1 (de) * 1983-01-18 1984-10-04 Diafoil Co. Ltd., Tokio/Tokyo Polyesterfolie fuer magnetische aufzeichnungsmedien und verfahren zu ihrer herstellung
DE3525170A1 (de) * 1984-07-17 1986-02-20 TDK Corporation, Tokio/Tokyo Magnetischer aufzeichnungstraeger
EP0226162A1 (en) * 1985-12-09 1987-06-24 Diafoil Company, Limited Polyethylene-2,6-naphthalate film for magnetic recording tapes
EP0381213A2 (en) * 1989-02-01 1990-08-08 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate
EP0381213A3 (en) * 1989-02-01 1992-11-04 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate

Also Published As

Publication number Publication date
FR2257403A1 (en) 1975-08-08
FR2257403B1 (nl) 1976-12-24
JPS50102303A (nl) 1975-08-13
NL7406918A (nl) 1975-07-15
BE815395A (fr) 1974-09-16

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