KR920016501A - 자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름 - Google Patents

자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름 Download PDF

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Publication number
KR920016501A
KR920016501A KR1019920002759A KR920002759A KR920016501A KR 920016501 A KR920016501 A KR 920016501A KR 1019920002759 A KR1019920002759 A KR 1019920002759A KR 920002759 A KR920002759 A KR 920002759A KR 920016501 A KR920016501 A KR 920016501A
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KR
South Korea
Prior art keywords
weight
particle diameter
average particle
film
magnetic recording
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KR1019920002759A
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English (en)
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KR100196362B1 (ko
Inventor
지카카즈 가와구찌
요시오 메구로
다까시 하라다
Original Assignee
다니모또 기요시
다이아호일 훽스트 가부시끼가이샤
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Publication of KR920016501A publication Critical patent/KR920016501A/ko
Application granted granted Critical
Publication of KR100196362B1 publication Critical patent/KR100196362B1/ko

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • G11B5/73935—Polyester substrates, e.g. polyethylene terephthalate characterised by roughness or surface features, e.g. by added 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/90—Magnetic feature
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24372—Particulate matter
    • 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
    • Y10T428/254—Polymeric or resinous material
    • 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
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y10T428/257—Iron oxide or aluminum oxide
    • 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
    • Y10T428/259—Silicic material
    • 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.]
    • Y10T428/31794—Of cross-linked polyester

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (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)
  • Magnetic Record Carriers (AREA)

Abstract

내용 없음

Description

자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 필름 기준으로 일차 입자의 평균 입경이 0.005내지 0.05㎛인 평균 입경 0.03내지 0.2㎛의 응집된 규소산화물 입자 0.1내지 1.0중량%; 일차 입자의 평균 입경이 0.005 내지 0.05㎛인 평균 입경 0.03내지 0.2㎛의 응집된 알루미늄 산화물 입자 0.1내지 1.0중량%; 그리고 평균 입경 0.2내지 0.8㎛가교 중합체 0.005 내지 0.3중량%를 함유하고; 중심선 평균 표면 조도가 0.003내지 0.015㎛이고 종방향 및 횡방향 모두에게 F-5값의 합이 25.0㎏/㎟이상인 자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름.
  2. 제1항에 있어서, 규소 산화물 입자가 0.2내지 0.5중량%의 양으로 함유되어 있는 필름.
  3. 제1항에 있어서, 알루미늄 산화물 입자가 0.2내지 0.5중량%의 양으로 함유되어 있는 필름.
  4. 제1항에 있어서, 가교된 중합체 입자가 거의 구형인 필름.
  5. 제1항에 있어서, 가교된 중합체 입자가 110℃이하의 Tg를 갖는 중합체 입자인 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920002759A 1991-02-22 1992-02-22 자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름 KR100196362B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP91-028645 1991-02-22
JP2864591A JPH07119297B2 (ja) 1991-02-22 1991-02-22 磁気記録媒体用ポリエチレンテレフタレートフィルム

Publications (2)

Publication Number Publication Date
KR920016501A true KR920016501A (ko) 1992-09-24
KR100196362B1 KR100196362B1 (ko) 1999-06-15

Family

ID=12254251

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920002759A KR100196362B1 (ko) 1991-02-22 1992-02-22 자기 기록 매체용 폴리에틸렌 테레프탈레이트 필름

Country Status (7)

Country Link
US (1) US5314736A (ko)
EP (1) EP0501315B1 (ko)
JP (1) JPH07119297B2 (ko)
KR (1) KR100196362B1 (ko)
CA (1) CA2061545A1 (ko)
DE (1) DE69200110T2 (ko)
MX (1) MX9200750A (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05189747A (ja) * 1992-01-16 1993-07-30 Diafoil Co Ltd デジタル・コンパクト・カセット用ベースフィルム
JP2954807B2 (ja) * 1993-05-13 1999-09-27 帝人株式会社 二軸配向積層ポリエステルフイルム
KR100188038B1 (ko) * 1993-09-14 1999-06-01 장용균 이축배향 폴리에스테르 필름의 제조방법
US5529832A (en) * 1994-11-10 1996-06-25 Teijin Limited Biaxially oriented laminated polyester film
JPH09302110A (ja) * 1996-05-15 1997-11-25 Teijin Ltd 磁気記録媒体用二軸配向ポリエステルフィルム
EP1004626B1 (en) * 1998-11-10 2003-05-02 The Procter & Gamble Company A film with UV-barrier properties
US6815482B1 (en) 1998-11-10 2004-11-09 The Procter & Gamble Company Film with UV-barrier properties

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5641525A (en) * 1979-09-11 1981-04-18 Diafoil Co Ltd Polyester film for magnetic tape
DE3313923A1 (de) * 1983-04-16 1984-10-18 Hoechst Ag, 6230 Frankfurt Polyesterrohstoff, daraus hergestellte formkoerper, vorzugsweise eine folie, sowie verwendung der formkoerper
US4639389A (en) * 1983-12-12 1987-01-27 Tdk Corporation Magnetic recording medium
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
JPS6343931A (ja) * 1986-08-12 1988-02-25 Diafoil Co Ltd 磁気記録媒体用ポリエステルフイルム
EP0261430B1 (en) * 1986-08-27 1999-11-24 Teijin Limited Biaxially oriented polyester film
DE68919130T2 (de) * 1988-06-04 1995-06-01 Diafoil Hoechst Co Ltd Polyesterfilm für magnetische Aufzeichnungsträger.
DE69023351T2 (de) * 1989-01-11 1996-04-04 Toray Industries Biaxial orientierter Polyesterfilm.
JPH02193313A (ja) * 1989-01-20 1990-07-31 Fuji Photo Film Co Ltd 磁気記録媒体
JP2856283B2 (ja) * 1989-06-02 1999-02-10 三菱化学ポリエステルフィルム株式会社 二軸配向ポリエステルフィルム

Also Published As

Publication number Publication date
US5314736A (en) 1994-05-24
JPH07119297B2 (ja) 1995-12-20
MX9200750A (es) 1992-09-01
EP0501315A1 (en) 1992-09-02
DE69200110T2 (de) 1994-11-03
EP0501315B1 (en) 1994-04-20
DE69200110D1 (de) 1994-05-26
JPH04266933A (ja) 1992-09-22
CA2061545A1 (en) 1992-08-23
KR100196362B1 (ko) 1999-06-15

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