KR910011956A - 2축 배향 폴리에스테르 필름 - Google Patents

2축 배향 폴리에스테르 필름 Download PDF

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Publication number
KR910011956A
KR910011956A KR1019900020540A KR900020540A KR910011956A KR 910011956 A KR910011956 A KR 910011956A KR 1019900020540 A KR1019900020540 A KR 1019900020540A KR 900020540 A KR900020540 A KR 900020540A KR 910011956 A KR910011956 A KR 910011956A
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KR
South Korea
Prior art keywords
polyester film
biaxially oriented
oriented polyester
film according
particle size
Prior art date
Application number
KR1019900020540A
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English (en)
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KR960015886B1 (ko
Inventor
세이지 사까모토
Original Assignee
다니모또 기요시
다이아호일 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.)
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Application filed by 다니모또 기요시, 다이아호일 가부시끼가이샤 filed Critical 다니모또 기요시
Publication of KR910011956A publication Critical patent/KR910011956A/ko
Application granted granted Critical
Publication of KR960015886B1 publication Critical patent/KR960015886B1/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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • 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
    • 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
    • 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
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31786—Of polyester [e.g., alkyd, etc.]

Landscapes

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

Abstract

내용 없음

Description

2축 배향 폴리에스테르 필름
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (5)

  1. 체적 형상 계수가 0.02 내지 0.20, 중량 평균 입도가 0.05 내지 3μm, 중량 평균 입도(Dw)와 수 평균 입도(Dn)와의 비(Dw/Dn)가 1.10 이하인 무기 입자를 폴리에스테르 필름 기준으로 0.01 내지 4중량% 함유하는 것을 특징으로 하는 2축 배향 폴리에스테르 필름.
  2. 제1항에 있어서, 무기 입자가 탄산 칼슘, 바륨 페라이트 및 질화규소로 구성된 군으로부터 선정된 2축배향 폴리에스테르 필름.
  3. 제1항에 있어서, 평균 굴절률이 1.6010 내지 1.6040인 2축 배향 폴리에스테르 필름.
  4. 제1항에 있어서, 필름의 10점 평균 표면 조도와 중심선 평균 표면 조도의 비율이 5 내지 13인 2축 배향 폴리에스테르 필름.
  5. 제1항에 있어서, 필름의 마찰 계수가 0.3 내지 1.0인 2축 배향 폴리에스테르 필름.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019900020540A 1989-12-14 1990-12-11 2축 배향 폴리에스테르 필름 KR960015886B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1324749A JPH0778133B2 (ja) 1989-12-14 1989-12-14 二軸配向ポリエステルフィルム
JP324749/89 1989-12-14

Publications (2)

Publication Number Publication Date
KR910011956A true KR910011956A (ko) 1991-08-07
KR960015886B1 KR960015886B1 (ko) 1996-11-23

Family

ID=18169254

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020540A KR960015886B1 (ko) 1989-12-14 1990-12-11 2축 배향 폴리에스테르 필름

Country Status (5)

Country Link
US (1) US5061571A (ko)
EP (1) EP0432724B1 (ko)
JP (1) JPH0778133B2 (ko)
KR (1) KR960015886B1 (ko)
DE (1) DE69021178T2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0488603B1 (en) * 1990-11-26 2000-01-19 Teijin Limited Biaxially oriented polyester film
CA2094434A1 (en) * 1992-04-30 1993-10-31 Tomoyuki Kotani Biaxially oriented laminated polyester film for magnetic recording media
JPH07105527A (ja) * 1993-10-04 1995-04-21 Konica Corp 磁気記録媒体及びその製造方法
EP0924050B1 (en) * 1997-12-18 2003-03-26 Toray Industries, Inc. Production method for a polyester film
US6553788B1 (en) * 1999-02-23 2003-04-29 Nippon Sheet Glass Co., Ltd. Glass substrate for magnetic disk and method for manufacturing
KR101098093B1 (ko) * 2003-10-21 2011-12-26 토요 보세키 가부시기가이샤 열수축성 폴리에스테르계 필름 및 열수축성 폴리에스테르계필름 롤
EP2005433B1 (en) * 2006-02-14 2017-01-25 Toray Plastics (America), Inc. Biaxially oriented polyester film for molding process

Family Cites Families (8)

* 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
JPS6079931A (ja) * 1983-10-08 1985-05-07 Toyobo Co Ltd 配向ポリエステルフイルム
JPS60166435A (ja) * 1984-02-09 1985-08-29 Toyobo Co Ltd 配向ポリエステルフイルム
FR2561982B1 (fr) * 1984-04-03 1987-05-29 Rhone Poulenc Films Films minces polyester etires charges a faible rugosite; procede d'obtention; utilisation de ces films pour la fabrication de bandes magnetiques
DE3501018A1 (de) * 1985-01-15 1986-07-17 Hoechst Ag, 6230 Frankfurt Polyesterfolie
DE3501017A1 (de) * 1985-01-15 1986-07-17 Hoechst Ag, 6230 Frankfurt Orientierte kunststoffolie
KR920000447B1 (ko) * 1985-10-21 1992-01-14 다이아 호일 가부시끼가이샤 폴리에스테르 조성물 및 그로부터 폴리에스테르 필름을 제조하는 방법
DE68919130T2 (de) * 1988-06-04 1995-06-01 Diafoil Hoechst Co Ltd Polyesterfilm für magnetische Aufzeichnungsträger.

Also Published As

Publication number Publication date
EP0432724B1 (en) 1995-07-26
KR960015886B1 (ko) 1996-11-23
DE69021178T2 (de) 1996-04-04
US5061571A (en) 1991-10-29
DE69021178D1 (de) 1995-08-31
JPH0778133B2 (ja) 1995-08-23
JPH03185033A (ja) 1991-08-13
EP0432724A1 (en) 1991-06-19

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