KR920017808A - 자기 테이프용 폴리에스테르 필름 - Google Patents

자기 테이프용 폴리에스테르 필름 Download PDF

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Publication number
KR920017808A
KR920017808A KR1019920003704A KR920003704A KR920017808A KR 920017808 A KR920017808 A KR 920017808A KR 1019920003704 A KR1019920003704 A KR 1019920003704A KR 920003704 A KR920003704 A KR 920003704A KR 920017808 A KR920017808 A KR 920017808A
Authority
KR
South Korea
Prior art keywords
polyester
polyester film
modulus
young
laminated
Prior art date
Application number
KR1019920003704A
Other languages
English (en)
Other versions
KR0184684B1 (ko
Inventor
시게오 우쯔미
Original Assignee
다니모또 기요시
다이아호일 훽스트 가부시끼가이샤
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 다니모또 기요시, 다이아호일 훽스트 가부시끼가이샤 filed Critical 다니모또 기요시
Publication of KR920017808A publication Critical patent/KR920017808A/ko
Application granted granted Critical
Publication of KR0184684B1 publication Critical patent/KR0184684B1/ko

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • G11B5/73931—Two or more layers, at least one layer being polyester
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

  • Laminated Bodies (AREA)
  • Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기 테이프용 폴리에스테르 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (7)

  1. 결정형 폴리에스테르(A)의 층과 이 층의 적어도 한 면에 적층되고 폴리에스테르(A)의 의 융점보다 더 낮은 폴리에스테르(B)의 층을 포함하고, 종횡 방향 모두에서 600㎏/㎟의 영률을 갖는 자기 테이프용 적층 된 폴리에스테르 필름.
  2. 제1항에 있어서, 폴리에스테르(A)가 방향족 디카르복시산과 지방족 글리콜의 중축합 반응에 의해 제조된 중합체인 적층 된 폴리에스테르 필름.
  3. 제1항에 있어서, 폴리에스테르(A)가 폴리에틸렌 테레프탈레이트(PET) 및 폴리에틸렌-2, 6-나프탈렌 디카르복실레이트(PEN)로 이루어진 군으로 부터 선택된 적층된 폴리에스테르 필름.
  4. 제1항에 있어서, 폴리에스테르(B)가 적어도 하나의 기타 성분과 폴리에스테르(A)에 사용된 베이스 폴리에스테르 성분 단위체와의 공중합 반응 생성물인 공중합 폴리에스테르인 적층된 폴리에스테르 필름.
  5. 제1항에 있어서, 종방향 영률이 600㎏/㎟이상이고, 횡방향 영률이 700㎏/㎟이상인 적층 된 폴리에스테르 필름.
  6. 제1항에 있어서, 종방향 및 횡방향 모두의 영률이 700㎏/㎟이상인 적층 된 폴리에스테르 필름.
  7. 제1항에 있어서, 종방향 영률이 700㎏/㎟이상이고, 횡방향 영률이 800㎏/㎟이상인 적층된 폴리에스테르 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920003704A 1991-03-06 1992-03-06 자기 테이프용 폴리에스테르 필름 KR0184684B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-040234 1991-03-06
JP3040234A JP2970001B2 (ja) 1991-03-06 1991-03-06 磁気テープ用ポリエステルフィルム

Publications (2)

Publication Number Publication Date
KR920017808A true KR920017808A (ko) 1992-10-21
KR0184684B1 KR0184684B1 (ko) 1999-04-01

Family

ID=12575035

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920003704A KR0184684B1 (ko) 1991-03-06 1992-03-06 자기 테이프용 폴리에스테르 필름

Country Status (7)

Country Link
US (1) US5441800A (ko)
EP (1) EP0504651B1 (ko)
JP (1) JP2970001B2 (ko)
KR (1) KR0184684B1 (ko)
CA (1) CA2062401A1 (ko)
DE (1) DE69204708T2 (ko)
MX (1) MX9200994A (ko)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0567279B1 (en) * 1992-04-20 1996-12-18 Teijin Limited Laminated polyester film and magnetic recording medium using it as base film
JP2989080B2 (ja) * 1992-12-17 1999-12-13 帝人株式会社 磁気記録媒体用積層ポリエステルフイルム
US5626942A (en) * 1993-05-05 1997-05-06 Toray Industries, Inc. Polyester film and process for producing the same
GB9407803D0 (en) * 1994-04-20 1994-06-15 Ici Plc Polymeric film
CA2192695A1 (en) * 1995-04-13 1996-10-17 Masatoshi Aoyama Polyester composition and films produced therefrom
US5759467A (en) * 1996-03-08 1998-06-02 Minnesota Mining And Manufacturing Company Method for making multilayer polyester film
US5795528A (en) * 1996-03-08 1998-08-18 Minnesota Mining And Manufacturing Company Method for making a multilayer polyester film having a low coefficient of friction
EP1162227B1 (en) * 1999-12-28 2008-06-18 Teijin Limited Polyester film roll
DE10036407A1 (de) 2000-07-26 2002-02-07 Mitsubishi Polyester Film Gmbh Mehrschichtige, transparente, biaxial orientierte Polyesterfolie
DE10036409A1 (de) * 2000-07-26 2002-02-07 Mitsubishi Polyester Film Gmbh Transparente, biaxial orientierte Polyesterfolie
US6908686B2 (en) 2002-11-26 2005-06-21 Dupont Teijin Films U.S. Limited Partnership PEN-PET-PEN polymeric film
US9558776B1 (en) 2015-12-11 2017-01-31 International Business Machines Corporation Durable coating for magnetic tape recording media
US11037592B2 (en) * 2017-12-07 2021-06-15 Toyobo Co., Ltd. Resin film with controlled youngs modulus

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE238985C (ko) *
DE3414347A1 (de) * 1984-04-16 1985-10-24 Hoechst Ag, 6230 Frankfurt Traegerfolie fuer magnetische informationstraeger
JPS61239930A (ja) * 1985-04-17 1986-10-25 Teijin Ltd 磁気記録用ポリエステルフイルム
JPS62135339A (ja) * 1985-12-09 1987-06-18 Diafoil Co Ltd 磁気記録体用ポリエチレン−２，６−ナフタレ−トフイルム
JPH0625267B2 (ja) * 1985-12-17 1994-04-06 ダイアホイルヘキスト株式会社 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
DE3610167A1 (de) * 1986-03-26 1987-10-01 Hoechst Ag Mehrschichtige polyesterfolie fuer magnetische informationstraeger
DE3884549T2 (de) * 1987-05-01 1994-05-11 Toray Industries Polyesterfilm und magnetisches speichermedium.
EP0347646B2 (en) * 1988-06-08 2004-05-19 Toray Industries, Inc. Biaxially oriented laminated film
US5051292A (en) * 1989-02-01 1991-09-24 Teijin Limited Biaxially oriented film of polyethylene-2,6-naphthalate
JPH058357A (ja) * 1991-07-04 1993-01-19 Diafoil Co Ltd 高密度磁気デイスク用ポリエステルフイルム

Also Published As

Publication number Publication date
EP0504651A1 (en) 1992-09-23
KR0184684B1 (ko) 1999-04-01
JP2970001B2 (ja) 1999-11-02
MX9200994A (es) 1992-09-01
JPH04278345A (ja) 1992-10-02
DE69204708T2 (de) 1996-05-09
DE69204708D1 (de) 1995-10-19
EP0504651B1 (en) 1995-09-13
CA2062401A1 (en) 1992-09-07
US5441800A (en) 1995-08-15

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